Re: [Elecraft] KIO3B Board

[w1rm]

The board is definitely not happy.  I plugged the aux cable into my KPA500
and as I cycle through the bands I keep getting invalid on the KPA500 screen
when it comes to band.  I have a call into Elecraft support.


Pete Chamalian, W1RM
w...@comcast.net

-Original Message-
From: elecraft-boun...@mailman.qth.net  On
Behalf Of John Simmons
Sent: Wednesday, July 21, 2021 9:13 PM
To: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] KIO3B Board

Pete,

You might try one of these:
https://www.amazon.com/CableMax-RS-232-link-Tester-Female/dp/B004OT995U/ref=
sr_1_3?dchild=1=serial+port+tester=1626916237=8-3

It will tell you if the serial output of the KIO3B is working.

73,
-de John NI0K rural Debs, MN

w...@comcast.net wrote on 7/21/2021 7:59 PM:
> Is there a way to test this board?  I suspect mine has bitten the dust 
> because it's no longer sending frequency data via cat line to my amp.
>
>   
>
>   
>
> Pete Chamalian, W1RM
>
> w...@comcast.net
>
>   
>
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Re: [Elecraft] KIO3B Board

[John Simmons]

Pete,

You might try one of these:
https://www.amazon.com/CableMax-RS-232-link-Tester-Female/dp/B004OT995U/ref=sr_1_3?dchild=1=serial+port+tester=1626916237=8-3

It will tell you if the serial output of the KIO3B is working.

73,
-de John NI0K rural Debs, MN

w...@comcast.net wrote on 7/21/2021 7:59 PM:

Is there a way to test this board?  I suspect mine has bitten the dust
because it's no longer sending frequency data via cat line to my amp.

  

  


Pete Chamalian, W1RM

w...@comcast.net

  


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Re: [Elecraft] KIO3B upgrade

[Joseph M. Durnal]

Hey Jim,

Replacing my external box (US Interface Navigator) with the KIO3B was
a change I was glad to make to my K3.  Audio levels are controlled two
ways, 1, in the K3 menus and 2, in the computer operating system sound
settings.  The application may also have adjustments for the audio
levels.  At first, losing my knobs made it a little more difficult to
set levels for different modes and applications, but once I got it set
just right, I found that saving the configurations made the
adjustments much more precise from and repeatable from mode to mode,
etc.  I really like the single USB cable between the PC & K3.

73 de Joe NE3R


On Tue, Jun 1, 2021 at 7:39 AM Jim Leder  wrote:
>
> I have an older K3 and have been using a USB Signalink for digital. The audio 
> levels are easy to control with the TX and RX pots on the Signalink. With the 
> KIO3B installed, putting the soundcard inside the K3, how are those levels 
> controlled? I ordered the upgrade kit, but need to know about this before 
> finishing it up.
> The Signalink has been easy to control and very reliable. Will the KIO3B 
> upgrade be as easy to operate?
>
> Jim Leder … K8CXM
>
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Re: [Elecraft] KIO3B upgrade

[Charles Hardt]

I have the upgrade on my K3.  Single USB cable that creates two virtual ports.  
One for rig control and the other K3 sound card.  I am talking about a Windows 
10 installation and operation.  I have done it in Linux on Raspberry Pi, but 
had to watch a lot of YouTube videos to adjust audio via a Pi Terminal screen.  
I find windows a lot easier.  In Windows you need to go in and find your serial 
port for both audio and rig control, just like you did with your Signal Link 
for rig control (I use a Signal Link with my KX3 and earlier with my K3 before 
upgrade).  Then to adjust audio go into Windows "Setup", "Audio Devices" and 
adjust your audio output (Typically speaker audio level) from your computer to 
K3.  Setup K3 to adjust your modulation level just like you did with the Signal 
Link.  Typically levels are lower than the radio's microphone.  Then adjust the 
audio in Windows, "Setup", "Audio Devices" as you did on the Signal Link.  For 
audio from the K3 to the computer just incr
 ease audio (typically computer microphone audio level) until your computer 
program begins to react to the sound.   Not sure what computer program you are 
using, but make sure you have selected the K3 USD sound card, typically called 
"USB audio codec" in your computer program.  Otherwise the computer program may 
default to your computer sound card (Not Good!).  I find windows adjustments 
very easy and can do it on the fly.  I work NBEMS HF & VHF and that requires 
audio readjust going from HF to VHF and back.  Getting rid of the required rats 
nest of wires with the Signal Link was worth it.  I was banking on your 
experience with the Signal link, so did not go into a lot of intimate details.  
So if more details are needed don't hesitate to get back to me. I really like 
the USB K3 interface with Windows and I am sure a lot on this list will 
disagree with me.  I have no experience in the Apple/Mac.

Good Luck,
73,
Charlie, N2PKW

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Jim Leder
Sent: Tuesday, June 1, 2021 6:39 AM
To: Elecraft 
Subject: [Elecraft] KIO3B upgrade 

I have an older K3 and have been using a USB Signalink for digital. The audio 
levels are easy to control with the TX and RX pots on the Signalink. With the 
KIO3B installed, putting the soundcard inside the K3, how are those levels 
controlled? I ordered the upgrade kit, but need to know about this before 
finishing it up.
The Signalink has been easy to control and very reliable. Will the KIO3B 
upgrade be as easy to operate?

Jim Leder ... K8CXM

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Re: [Elecraft] KIO3B upgrade

[Wes]

You no longer have knobs, but the computer sound card controls and the digital 
app of your choice give you control of levels.  Use VOX in the radio and you 
won't know the difference, except for having a better sound card.


Wes  N7WS


On 6/1/2021 4:38 AM, Jim Leder wrote:

I have an older K3 and have been using a USB Signalink for digital. The audio 
levels are easy to control with the TX and RX pots on the Signalink. With the 
KIO3B installed, putting the soundcard inside the K3, how are those levels 
controlled? I ordered the upgrade kit, but need to know about this before 
finishing it up.
The Signalink has been easy to control and very reliable. Will the KIO3B 
upgrade be as easy to operate?

Jim Leder … K8CXM

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Re: [Elecraft] KIO3B Main Board Repair

[Edward R Cole]

Received e-mail from Elecraft that my KIO3 board is being 
shipped.  Cost of new digital board $187.50 + $17.50 shipping.


So my K3 will be restored for operating JT65 on eme end of the 
month.  Only my 2m-eme array and tower crashed two days ago in high winds.

http://www.kl7uw.com/2m-eme_down_1.jpg

BTW I got my KX3 running on digital modes by use of a Rigblaster 
NOMIC.  I'll have a webpage up in a couple days with a description.

http://www.kl7uw.com/techtopics.htm

Anyone want to borrow Murphy for a few months!

73, Ed - KL7UW
  http://www.kl7uw.com
Dubus-NA Business mail:
  dubus...@gmail.com 


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Re: [Elecraft] KIO3B Main Board Repair

[Edward R Cole]

In my case the RS232 I/F in my K3 (SN-4340) quit communicating with 
WSJT-X.  Tested with K3 Utility with same result.  Tried a different 
USB/RS232 cable, still not communicating.  Troubleshot 9-pin 
receptacle and discovered the ground pin was not grounded.  Pulled 
out the KIO3A and found the chip inductor on the ground line had 
blown up open ckt.  Removed it and substituted a wire jumper (still 
not working).


At that point I was going to have to rig up a test cable to be able 
to troubleshoot the module unplugged from the K3.  Instead I sent it 
to Elecraft Repair.  They had it for 28-days and then replied that a 
new digital board was needed as the existing board was not 
reparable.  They are on order.


I did have the option to buy a KIO3B but that was over $400 before 
shipping (and also not in stock)  I don't need or use the USB port.


I worked 1966-2009: ten years as an RF engineer, and the rest as 
technician doing SM level troubleshooting/repairs.  After retiring I 
had a small business building transverters and amplifiers from kits 
(all SM).  I have a pretty decent workbench and test equipment to 
26-GHz.  II could have spent the effort in building a test jig and 
trying to troubleshoot on my own.  I figured it easier to let the 
experienced staff at Elecraft do it.


Hoping to get my KIO3A repaired when board order arrives.  I've 
decided to set up my KX3 for computer modes using a Rig Runner NOMIC 
I/F.  I'll post the project on my website when done.  The KX3 will 
use WSJT-X for running JT65B on 2m-eme by driving a 2m transverter. 
on 28-MHz with 3w.


73, Ed - KL7UW

-
You can view the Schematic diagrams (6 pages) for the Elecraft KIO3B module.
https://ftp.elecraft.com/K3S/Manuals%20Downloads/E740323%20K3s%20Schematic%20Files.pdf
The KIO3B is a multi-function module, that includes these functions:
1. RF Board interface
2. Digital I/O interface
3. Audio I/O interface
4. USB, Codec, RS232
FTDI FT232R (USB), TI PCM2901 (CODEC), TUSB2036 (2/3 port USB hub)
5. Digital I/O
6. Audio I/O
==
It is NOT impossible to repair or troubleshoot (component-level),
BUT it can be time consuming for the novice or weekend technician.
This is why Elecraft stated ?economical? (their bench time is NOT Free).
?
Sage advice from my high school electronics instructor, WB9FUR (sk, 
2016) has served me well : External event (ESD, Over-voltage, Op 
error) and I/O ports are major causes of module or circuit 
failures.  Electronic devices rarely ?die? for no reason (assumes QA 
production of part).

?
?What functionality? has failed will narrow the circuit areas and 
components to examine.  IF you can ?think thru? those observed 
symptoms, many failures can be pinpointed with a DVM to a few key components.

SMT repair experience and tools reduces repair time


73, Ed - KL7UW
  http://www.kl7uw.com
Dubus-NA Business mail:
  dubus...@gmail.com 


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Re: [Elecraft] KIO3B Main Board Repair

[Greg Beat]

Mike -

You can view the Schematic diagrams (6 pages) for the Elecraft KIO3B module.
https://ftp.elecraft.com/K3S/Manuals%20Downloads/E740323%20K3s%20Schematic%20Files.pdf
The KIO3B is a multi-function module, that includes these functions:
1. RF Board interface
2. Digital I/O interface
3. Audio I/O interface
4. USB, Codec, RS232
FTDI FT232R (USB), TI PCM2901 (CODEC), TUSB2036 (2/3 port USB hub)
5. Digital I/O
6. Audio I/O
==
It is NOT impossible to repair or troubleshoot (component-level), 
BUT it can be time consuming for the novice or weekend technician.
This is why Elecraft stated “economical” (their bench time is NOT Free).
—
Sage advice from my high school electronics instructor, WB9FUR (sk, 2016) has 
served me well : External event (ESD, Over-voltage, Op error) and I/O ports are 
major causes of module or circuit failures.  Electronic devices rarely “die” 
for no reason (assumes QA production of part).
—
“What functionality” has failed will narrow the circuit areas and components to 
examine.  IF you can “think thru” those observed symptoms, many failures can be 
pinpointed with a DVM to a few key components. 
SMT repair experience and tools reduces repair time.
—
This summer, I repaired an ESE ES-188 Master Clock ... that the reseller 
suspected was not working properly.  Visual and operations inspection:
* Not damage to tinned copper foil traces on PC board.
* Bulging 25V electrolytic caps (85° import brand) on DC filtering - replaced 
(105°)
* Multi-serial TTL level ports from microprocessor were inconsistent 
- replaced MAX233 (resolved one port)
- replaced 74LS04 and 74LS08 (resolved other ports)

I did not even pull out my DVM ... the secondary DC ripple was eliminated, and 
an external event (ESD?) likely entered thru serial port ... damaged the 3 ICs 
replaced.
Those 3 parts were closest to DC power bus and serial port entrance to PC board.

It’s been running on the bench, driving NTP and IRIG-B remote clock for past 3 
months ... no issues.  IF I were to resell, I would check with DVM & possibly 
scope.

greg, w9gb
===
Date: Thu, 29 Oct 2020 17:43:44 -0400
From: K4PI 
To: Elecraft Mail Reflector
Subject: [Elecraft] KIO3B Main Board Repair

I have ended up with 2 bad KI03B boards E850645.
Both bad in the USB circuit.
I did some basic checks resistance wise they recommended, but found no problems.
Elecraft said chances of repair was slim and would not be economical to try.
I think all the other functions are okay (think they are still working okay if 
you come in via the serial port).
Seems a shame to toss them into the dumpster, but unless someone has had 
some experience of repairing them that may be the route.
Anyone ever attempted at repair of the USB circuit on these?? 

73 Mike K4PI
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Re: [Elecraft] KIO3B and LIne In Question?

[Joe Subich, W4TV]

> I receive audio via the USB just fine with a plug in the LINE IN jack
>
> What am I missing?

Line In is *transmit* audio.  Connecting to Line IN will prevent you
from *transmitting* from "Speaker (USB Audio CODEC)".

73,

   ... Joe, W4TV


On 2020-09-24 10:25 PM, Rich wrote:
Fred's book states that if you have a jack plug into the LINE IN then 
the USB audio is disconnected.  At least I think that is what he means.


I receive audio via the USB just fine with a plug in the LINE IN jack

What am I missing?

Rich

K3RWN



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Re: [Elecraft] KIO3B waiting list

[Edward R Cole]

Thanks!

Links provided by John, KC7DRI provided enough info for me decide I 
did not need the enhancements.  I run two LP-Pan SDRs off the first 
IF's of my K3 main and sub-receivers in diversity mode to provide 
dual IQ streams to my computer so having an internal soundcard is no 
use.  The USB/RS232 conversion cable works FB for keying my radio.


Plus I have the PR6-10 which works well for 10m-6m and Digout-1 is 
handy function for connecting my remote 6m preamp for eme.


I would buy a K4D except my K3 is working fine for my application as 
IF radio on 50-MHz thru 10-GHz.  I promise my wife when I bought the 
K3 in 2010 it was the "last one".  Yeah, she didn't really believe me.


Getting to the age where investing in ham radio stuff is not really a 
good long-term investment.  Bought a new F250 diesel truck and 
30-foot 5th wheel trailer in 2016/2017 and made two trips with 
it.  Can't leave AK this year due to corona-virus so will be second 
summer it has been parked.  Beginning to doubt wisdom of that 
purchase. (roughly $70K).


73, Ed - KL7UW

At 12:50 PM 8/5/2020, Edward R Cole wrote:
Lots about this option, but what exactly does the upgrade provide 
over the standard board?


My K3, SN4340 dates from 2010 so assume it has a KIO3 board (not 
sure if A or B version).  Trying to determine if I want/need the upgrade.


I did add EXREF, TCXO3, upgraded both Synth boards and Gen Coverage 
filter to cover 475-KHz (630m) band.  I have the subRx installed.


73, Ed - KL7UW
  http://www.kl7uw.com
Dubus-NA Business mail:
  dubus...@gmail.com


73, Ed - KL7UW
  http://www.kl7uw.com
Dubus-NA Business mail:
  dubus...@gmail.com 


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Re: [Elecraft] KIO3B waiting list

[Jim Brown]

On 8/5/2020 1:50 PM, Edward R Cole wrote:
Lots about this option, but what exactly does the upgrade provide over 
the standard board?


USB interface for both control and audio. Don't know if they fixed the 
Pin One Problems that exist in the orginal.


73, Jim K9YC
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Re: [Elecraft] KIO3B waiting list

[John Hiatt]

The late Fred Cady wrote a few notes about the upgrade under section 1.5.2 here 
http://www.ke7x.com/home/guide-to-the-k3/should-i-update-my-k3-with-k3s-parts

There is also an FAQ about the upgrade 
https://ftp.elecraft.com/K3S/Manuals%20Downloads/KIO3BUPGD-FAQ%20rev%20A.pdf

John, KC7DRI


From: elecraft-boun...@mailman.qth.net  on 
behalf of Edward R Cole 
Sent: Wednesday, August 5, 2020 1:50 PM
To: Elecraft Reflector 
Subject: Re: [Elecraft] KIO3B waiting list

Lots about this option, but what exactly does the upgrade provide
over the standard board?

My K3, SN4340 dates from 2010 so assume it has a KIO3 board (not sure
if A or B version).  Trying to determine if I want/need the upgrade.

I did add EXREF, TCXO3, upgraded both Synth boards and Gen Coverage
filter to cover 475-KHz (630m) band.  I have the subRx installed.

73, Ed - KL7UW
   http://www.kl7uw.com
Dubus-NA Business mail:
   dubus...@gmail.com

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Re: [Elecraft] KIO3B waiting list

[Edward R Cole]

Lots about this option, but what exactly does the upgrade provide 
over the standard board?


My K3, SN4340 dates from 2010 so assume it has a KIO3 board (not sure 
if A or B version).  Trying to determine if I want/need the upgrade.


I did add EXREF, TCXO3, upgraded both Synth boards and Gen Coverage 
filter to cover 475-KHz (630m) band.  I have the subRx installed.


73, Ed - KL7UW
  http://www.kl7uw.com
Dubus-NA Business mail:
  dubus...@gmail.com 


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Re: [Elecraft] KIO3B waiting list

[Dr. William J. Schmidt]

I'm not as constrained as they are with respect to buying parts (surplus 
sources, etc.).  I'd settle for a board to build my own in the event of a "no 
go" but of course I know that won't happen.


Dr. William J. Schmidt
email:  b...@wjschmidt.com



-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of N4ZR
Sent: Tuesday, August 4, 2020 4:48 PM
To: Elecraft List 
Subject: [Elecraft] KIO3B waiting list

I just heard from Elecraft Sales that they are not going to fill my mid-June 
order for the KIO3B update kit unless they get sufficient interest to get 
"reasonable" prices from their suppliers.  They don 't define what that means, 
but if you have any interest at all in the K3 KIO3B update kit, go to 
 and tell them so - 
otherwise they may never restock these excellent updates for the K3.

--
73, Pete N4ZR
Check out the Reverse Beacon Network
at , now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

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Re: [Elecraft] KIO3B waiting list

[Clark Macaulay]

Ed,

Part of your name got embedded into the url--something I've done from time
to time. This should work.

https://elecraft.com/pages/k3-k3s-options-interest-form

Clark, WU4B

On Wed, Aug 5, 2020 at 8:49 AM Ed W0YK  wrote:

>
> The link below is broken.   Should be:
> https://elecraft.com/pages/k3-k3s-options-interest-form73,Ed W0YK
>  Original message From: N4ZR  Date:
> 8/4/20  14:47  (GMT-08:00) To: Elecraft List 
> Subject: [Elecraft] KIO3B waiting list I just heard from Elecraft Sales
> that they are not going to fill my mid-June order for the KIO3B update kit
> unless they get sufficient interest to get "reasonable" prices from their
> suppliers.  They don 't define what that means, but if you have any
> interest at all in the K3 KIO3B update kit, go to <
> https://elecraft.com/pages/k3-k3s-options-interest-form> and tell them so
> - otherwise they may never restock these excellent updates for the K3.--
> 73, Pete N4ZRCheck out the Reverse Beacon Networkat <
> http://reversebeacon.net>, nowspotting RTTY activity worldwide.For spots,
> please use your favorite"retail" DX
> cluster.__Elecraft
> mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp:
> http://mailman.qth.net/mmfaq.htmPost: mailto:elecr...@mailman.qth.netThis
> list hosted by: http://www.qsl.netPlease help support this email list:
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> __
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-- 
73,

Clark, WU4B
Little Pistol With Wires
QRPARCI #10815
SKCC #3892
NAQCC #5055
CWOPS #1869
Collins Collectors #AC90-12432
Southeastern DX Club 
North Georgia QRP Club 


*"It is vain to do with more what can be done with less."*
*Attributed to *William of Occam (1288 AD - 1348 AD)
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Re: [Elecraft] KIO3B waiting list

[Ed W0YK]

The link below is broken.   Should 
be:https://elecraft.com/pages/k3-k3s-options-interest-form73,Ed W0YK
 Original message From: N4ZR  Date: 8/4/20  
14:47  (GMT-08:00) To: Elecraft List  Subject: 
[Elecraft] KIO3B waiting list I just heard from Elecraft Sales that they are 
not going to fill my mid-June order for the KIO3B update kit unless they get 
sufficient interest to get "reasonable" prices from their suppliers.  They don 
't define what that means, but if you have any interest at all in the K3 KIO3B 
update kit, go to  and 
tell them so - otherwise they may never restock these excellent updates for the 
K3.-- 73, Pete N4ZRCheck out the Reverse Beacon Networkat 
, nowspotting RTTY activity worldwide.For spots, 
please use your favorite"retail" DX 
cluster.__Elecraft 
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Re: [Elecraft] KIO3B waiting list

[Mark Musick]

I too have had conversations with Madelyn about upgrades.
I did order the KXV3B and it is on the way.
I put my name on the list for the KIO3B and K3SYNA.

73,
Mark, WB9CIF

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of N4ZR
Sent: Tuesday, August 4, 2020 21:48
To: Elecraft List 
Subject: [Elecraft] KIO3B waiting list

I just heard from Elecraft Sales that they are not going to fill my mid-June 
order for the KIO3B update kit unless they get sufficient interest to get 
"reasonable" prices from their suppliers.  They don 't define what that means, 
but if you have any interest at all in the K3 KIO3B update kit, go to 
 and tell them so - 
otherwise they may never restock these excellent updates for the K3.

--
73, Pete N4ZR
Check out the Reverse Beacon Network
at , now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

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Re: [Elecraft] KIO3B waiting list

[Ian Kahn, NV4C]

I just added my name to the list for both a KIO3B and KSYN3A for my K3 
s/n 281. Here's hoping we generate enough interest to justify them 
ordering more kits.


73 de,

Ian, NV4C

On 8/4/20 5:47 PM, N4ZR wrote:
I just heard from Elecraft Sales that they are not going to fill my 
mid-June order for the KIO3B update kit unless they get sufficient 
interest to get "reasonable" prices from their suppliers.  They don 't 
define what that means, but if you have any interest at all in the K3 
KIO3B update kit, go to 
 and tell 
them so - otherwise they may never restock these excellent updates for 
the K3.



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Re: [Elecraft] KIO3B waiting list

[Joe K2UF]

Just added my name to the list.  Hope I did not procrastinate to long.
Would like to upgrade my K3 as much as possible. 

73,

Joe K2UF


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Re: [Elecraft] KIO3B waiting list

[Dr. William J. Schmidt]

Yes it is... I just got that msg and put my name/call on the list for one...


Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ 
email:  b...@wjschmidt.com



-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of N4ZR
Sent: Tuesday, August 4, 2020 4:48 PM
To: Elecraft List 
Subject: [Elecraft] KIO3B waiting list

I just heard from Elecraft Sales that they are not going to fill my mid-June 
order for the KIO3B update kit unless they get sufficient interest to get 
"reasonable" prices from their suppliers.  They don 't define what that means, 
but if you have any interest at all in the K3 KIO3B update kit, go to 
 and tell them so - 
otherwise they may never restock these excellent updates for the K3.

--
73, Pete N4ZR
Check out the Reverse Beacon Network
at , now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

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Re: [Elecraft] KIO3B usb com port not communicating

[Jack Brindle via Elecraft]

Do you have BOTH plugs connected to the P3? You need to use the cable that has 
not one, but two DE-9 connectors - this allows the data to flow from the USB 
interface through the P3 and then back to the K3S. Without it, I would expect 
exactly the behavior you describe. In fact, I experienced exactly the behavior, 
which is why I know.

Be sure to use the double DE9 cable, not the one with just a single DE9. 

73!
Jack, W6FB

> On Jul 19, 2019, at 11:32 AM, Rajiv Dewan  wrote:
> 
> Hello all, especially Don,
> 
> The last tip helped make progress.  I unplugged the P3 connected via the RJ45 
> jack and suddenly my USB/CAT came back to life.
> 
>  And, this disruption is repeatable.  Plug the P3 back and again it stops 
> working.  Unplug, works again.
> 
>  Now, I will look to see what is up with the P3.  I checked the firmware on 
> the P3.  It is running the latest.
> 
>  Raj
> 
> --
> Raj Dewan, N2RD
> rdew...@rochester.rr.com
> 
> -- Original Message --
> From: "Don Wilhelm" 
> To: "Rajiv Dewan" 
> Sent: 7/19/2019 1:32:38 PM
> Subject: Re: [Elecraft] KIO3B usb com port not communicating
> 
>> Raj,
>> 
>> Email supp...@elecraft.com
>> 
>> 73,
>> Don W3FPR
>> 
>> On 7/18/2019 10:03 AM, Rajiv Dewan wrote:
>>> Hello,
>>> 
>>>   I have KIO3B (USB interface) in my K3.  It was working well. Single USB 
>>> for audio, and CAT.
>>> 
>>> Suddenly, now the CAT part is not working.  Here are some aspects:
>>> * RS232 in K3/Config shows USB
>>> * Serial port 1 shows up in device manager on the windows computer when the 
>>> USB is plugged in.  The sound codecs are working.
>>> * Nothing communicates with the K3 CAT any more (K3 utility, and logging 
>>> programs do not see the K3 on the com1.)
>>> * I tried it on a new laptop with a fresh USB cable.  Exactly the same 
>>> issue.
>>> 
>>> Any help appreciated.
>>> 
>>> Raj, N2RD
>>> K3 sn 170
>>> 
>>> -- Raj Dewan, N2RD
>>> rdew...@rochester.rr.com
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>> Message delivered to donw...@embarqmail.com
> 
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Re: [Elecraft] KIO3B usb com port not communicating

[RALPH TURK]

Raj
Check the RJ45 jack very carefully.  One of the wires might have bent slightly
and shorts out the adjacent wire.  I have found that a few times when repairing
computer problems for friend & family
Ralph, W7HSG/AFA9RT 


> On July 19, 2019 at 12:32 PM Rajiv Dewan  wrote:
> 
> 
> Hello all, especially Don,
> 
>   The last tip helped make progress.  I unplugged the P3 connected via 
> the RJ45 jack and suddenly my USB/CAT came back to life.
> 
>And, this disruption is repeatable.  Plug the P3 back and again it 
> stops working.  Unplug, works again.
> 
>Now, I will look to see what is up with the P3.  I checked the 
> firmware on the P3.  It is running the latest.
> 
>Raj
> 
> --
> Raj Dewan, N2RD
> rdew...@rochester.rr.com
> 
> -- Original Message --
> From: "Don Wilhelm" 
> To: "Rajiv Dewan" 
> Sent: 7/19/2019 1:32:38 PM
> Subject: Re: [Elecraft] KIO3B usb com port not communicating
> 
> >Raj,
> >
> >Email supp...@elecraft.com
> >
> >73,
> >Don W3FPR
> >
> >On 7/18/2019 10:03 AM, Rajiv Dewan wrote:
> >>Hello,
> >>
> >>I have KIO3B (USB interface) in my K3.  It was working well. Single USB 
> >> for audio, and CAT.
> >>
> >>Suddenly, now the CAT part is not working.  Here are some aspects:
> >>* RS232 in K3/Config shows USB
> >>* Serial port 1 shows up in device manager on the windows computer when the 
> >>USB is plugged in.  The sound codecs are working.
> >>* Nothing communicates with the K3 CAT any more (K3 utility, and logging 
> >>programs do not see the K3 on the com1.)
> >>* I tried it on a new laptop with a fresh USB cable.  Exactly the same 
> >>issue.
> >>
> >>Any help appreciated.
> >>
> >>Raj, N2RD
> >>K3 sn 170
> >>
> >>-- Raj Dewan, N2RD
> >>rdew...@rochester.rr.com
> >>__
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Re: [Elecraft] KIO3B usb com port not communicating

[Don Wilhelm]

Raj,

Don't overlook the possibility that the RJ-45 jack could be damaged.
If you have ever accidently plugged the USB cable into that jack - it 
almost fits, but will damage the RJ-45 jack.


73,
Don W3FPR

On 7/19/2019 2:32 PM, Rajiv Dewan wrote:

Hello all, especially Don,

 The last tip helped make progress.  I unplugged the P3 connected via 
the RJ45 jack and suddenly my USB/CAT came back to life.


  And, this disruption is repeatable.  Plug the P3 back and again it 
stops working.  Unplug, works again.


  Now, I will look to see what is up with the P3.  I checked the 
firmware on the P3.  It is running the latest.




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Re: [Elecraft] KIO3B usb com port not communicating

[Rajiv Dewan]

Hello all, especially Don,

 The last tip helped make progress.  I unplugged the P3 connected via 
the RJ45 jack and suddenly my USB/CAT came back to life.


  And, this disruption is repeatable.  Plug the P3 back and again it 
stops working.  Unplug, works again.


  Now, I will look to see what is up with the P3.  I checked the 
firmware on the P3.  It is running the latest.


  Raj

--
Raj Dewan, N2RD
rdew...@rochester.rr.com

-- Original Message --
From: "Don Wilhelm" 
To: "Rajiv Dewan" 
Sent: 7/19/2019 1:32:38 PM
Subject: Re: [Elecraft] KIO3B usb com port not communicating


Raj,

Email supp...@elecraft.com

73,
Don W3FPR

On 7/18/2019 10:03 AM, Rajiv Dewan wrote:

Hello,

   I have KIO3B (USB interface) in my K3.  It was working well. Single USB for 
audio, and CAT.

Suddenly, now the CAT part is not working.  Here are some aspects:
* RS232 in K3/Config shows USB
* Serial port 1 shows up in device manager on the windows computer when the USB 
is plugged in.  The sound codecs are working.
* Nothing communicates with the K3 CAT any more (K3 utility, and logging 
programs do not see the K3 on the com1.)
* I tried it on a new laptop with a fresh USB cable.  Exactly the same issue.

Any help appreciated.

Raj, N2RD
K3 sn 170

-- Raj Dewan, N2RD
rdew...@rochester.rr.com
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Re: [Elecraft] KIO3B usb com port not communicating

[Don Wilhelm]

Raj,

Try looking in Device Manager again.  Which COM port goes away when you 
unplug the USB cable from the computer?  COM1 is normally reserved for 
the motherboard serial port - which will be RS-232 and not USB.  It will 
be there whether it is connected to the back panel or not.


Then plug the USB cable back in - which COM port is assigned?  Put that 
COM port number into K3 Utility and try to connect.


73,
Don W3FPR

On 7/18/2019 10:03 AM, Rajiv Dewan wrote:

Hello,

   I have KIO3B (USB interface) in my K3.  It was working well. Single 
USB for audio, and CAT.


Suddenly, now the CAT part is not working.  Here are some aspects:
* RS232 in K3/Config shows USB
* Serial port 1 shows up in device manager on the windows computer when 
the USB is plugged in.  The sound codecs are working.
* Nothing communicates with the K3 CAT any more (K3 utility, and logging 
programs do not see the K3 on the com1.)
* I tried it on a new laptop with a fresh USB cable.  Exactly the same 
issue.

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Re: [Elecraft] KIO3B usb com port not communicating

[Nr4c]

On a Windows computer the USB com port will be something other than “1”. 

Sent from my iPhone
...nr4c. bill


> On Jul 18, 2019, at 10:03 AM, Rajiv Dewan  wrote:
> 
> Hello,
> 
>  I have KIO3B (USB interface) in my K3.  It was working well. Single USB for 
> audio, and CAT.
> 
> Suddenly, now the CAT part is not working.  Here are some aspects:
> * RS232 in K3/Config shows USB
> * Serial port 1 shows up in device manager on the windows computer when the 
> USB is plugged in.  The sound codecs are working.
> * Nothing communicates with the K3 CAT any more (K3 utility, and logging 
> programs do not see the K3 on the com1.)
> * I tried it on a new laptop with a fresh USB cable.  Exactly the same issue.
> 
> Any help appreciated.
> 
> Raj, N2RD
> K3 sn 170
> 
> --
> Raj Dewan, N2RD
> rdew...@rochester.rr.com
> __
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Re: [Elecraft] KIO3B USB Surge Suppressor

[Jim Brown]

On 6/28/2019 9:37 AM, Paul Christensen wrote:

Looking for input from anyone who has successfully installed a
surge-suppression device on a USB port.  I am in the process of repairing a
KIO3B board after a recent thunderstorm.


Paul,

The usual cause of destructive failures like these from lightning is 
interconnection of equipment powered from AC outlets having different 
green wires, or whose green wires are not bonded together, or equipment 
whose chassis are not all bonded together. This situation is made worse 
the use of shunt-mode suppressors on AC branch circuits.


Many years ago, colleagues working in pro audio design experienced 
destructive failures of the ethernet circuitry of networked computers 
from lightning. No antennas involved -- these were engineering offices. 
The solution for these failures was (and is) the use of series-mode 
suppressors on the AC line branch circuits. Surge-X is the manufacturer 
of these products that has concentrated on the pro audio and video 
market. There are (were) two other mfrs I'm aware of -- Brick Wall I 
remember, but not the other.


73, Jim K9YC

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Re: [Elecraft] KIO3B USB Surge Suppressor

[hbjr]

Paul...
This is not exactly what you are describing, but it fails open.
https://hifimediy.com/usb-isolator

I've used one at a digipeater site and it took a static hit think - nearby
strike - it protected the TNC and PC.  It was open on every line.

I have used them for ground loops with sound cards.  5000v isolation
(advertised), but it did fail open!

Hank
K4HYJ

-Original Message-
From: elecraft-boun...@mailman.qth.net  On
Behalf Of Paul Christensen
Sent: Friday, June 28, 2019 12:37 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KIO3B USB Surge Suppressor

Looking for input from anyone who has successfully installed a
surge-suppression device on a USB port.  I am in the process of repairing a
KIO3B board after a recent thunderstorm.  

The KIO3B uses an ST Microelectronics USBLC6-2 ESD protection device at the
front end of the K3's USB connector.  The protection device is a SOT chip
that contains five low-capacitance diodes to clamp voltage to acceptable
limits.  

In this case, the diodes have shorted, causing the USB connector to show a
dead short to the PC's USB port, which causes an overload to the PC's USB
power bus.  This has caused all USB ports to disappear in Windows Device
Manager.  The short goes on until I can get to the remote site, sometimes
days or even weeks later.

Ideally, I would like to find a USB protection device that is designed to
fail open - open as in an open circuit into the USB driver that follows.
That way, I can still find a problem if Windows Device Manager doesn't show
a USB connection while not risking the destruction of the PC's USB power
bus.

Paul, W9AC
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Re: [Elecraft] KIO3B USB Question

[Don Wilhelm]

Rich,

The RS-232 lines in the K3 are essentially the same as the lines to the 
internal USB adapter.

That means that they are NOT two separate ports.

Yes, using the serial dongle that comes with the K3S or the KIO3B 
upgrade for the K3 does allow you to use an RS-232 port or USB adapter 
to connect to the K3, but you must move the switch on the back of the 
KIO3B in order to do that.


You would have to link the two com ports using a computer application, 
and I don't know of one that will do that.
i.e. take the COM port data from the K3 USB 'COM' port and feed it to 
the port that connects to the SDR.
As I recall, LP-bridge may have that capability, but it rather complex 
and I have not studied it.


73,
Don W3FPR

On 10/13/2018 9:04 AM, Rich wrote:
Thank you.   I thought I found a way to use the USB port for audio/rig 
control and the other for sending Freq data to the SDR.


I guess not.

Thanks again

Rich


On 10/12/2018 11:12 AM, Don Wilhelm wrote:

Rich,

Not quite.  You do NOT want to connect the CBLP3Y cable to a USB to 
serial port adapter.  You will not only have communications failures, 
but you may damage the K3 USB port output and the USB to serial 
adapter because you will have two drivers on the same RS-232 signal 
lines.


I assume you have a P3 since you have the CBLP3Y cable.

You can connect a simple RD-232 Y cable to the PC port on the P3 with 
the CBLP3Y cable plugged into one side of the Y and the serial cable 
to your SDR receiver on the other side.


Your SDR receiver must turn its driver off - it can listen to the 
RS-232 traffic, but it cannot transmit requests or commands.


You may have to set up virtual ports with LP-Bridge or Com0Com.

73,
Don W3FPR

On 10/11/2018 11:31 PM, Rich wrote:
If I am reading correctly in Fred's book.   I can connect the 
*CBLP3Y cable to a USB to RS232 adapter to my computer which would 
create a second comport from the radio to my computer.   For example 
(if I am reading correctly)*


*The USB port could be used to for audio codec and rig control 
(which I am already doing successfully)*


*The RJ45 comport output could be sent to a computer to send 
freq/rig data to an SDR receiver for example.*


*Is my thinking/reading correct?*

*This seems very straight forward, but I was hoping to get some 
thoughts from others before I try it.*


*Thanks*

*Rich*

*K3RWN
*

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Re: [Elecraft] KIO3B USB Question

[Rich]

Thank you.   I thought I found a way to use the USB port for audio/rig 
control and the other for sending Freq data to the SDR.


I guess not.

Thanks again

Rich


On 10/12/2018 11:12 AM, Don Wilhelm wrote:

Rich,

Not quite.  You do NOT want to connect the CBLP3Y cable to a USB to 
serial port adapter.  You will not only have communications failures, 
but you may damage the K3 USB port output and the USB to serial 
adapter because you will have two drivers on the same RS-232 signal 
lines.


I assume you have a P3 since you have the CBLP3Y cable.

You can connect a simple RD-232 Y cable to the PC port on the P3 with 
the CBLP3Y cable plugged into one side of the Y and the serial cable 
to your SDR receiver on the other side.


Your SDR receiver must turn its driver off - it can listen to the 
RS-232 traffic, but it cannot transmit requests or commands.


You may have to set up virtual ports with LP-Bridge or Com0Com.

73,
Don W3FPR

On 10/11/2018 11:31 PM, Rich wrote:
If I am reading correctly in Fred's book.   I can connect the *CBLP3Y 
cable to a USB to RS232 adapter to my computer which would create a 
second comport from the radio to my computer.   For example (if I am 
reading correctly)*


*The USB port could be used to for audio codec and rig control (which 
I am already doing successfully)*


*The RJ45 comport output could be sent to a computer to send freq/rig 
data to an SDR receiver for example.*


*Is my thinking/reading correct?*

*This seems very straight forward, but I was hoping to get some 
thoughts from others before I try it.*


*Thanks*

*Rich*

*K3RWN
*

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Re: [Elecraft] KIO3B USB Question

[Don Wilhelm]

Rich,

Not quite.  You do NOT want to connect the CBLP3Y cable to a USB to 
serial port adapter.  You will not only have communications failures, 
but you may damage the K3 USB port output and the USB to serial adapter 
because you will have two drivers on the same RS-232 signal lines.


I assume you have a P3 since you have the CBLP3Y cable.

You can connect a simple RD-232 Y cable to the PC port on the P3 with 
the CBLP3Y cable plugged into one side of the Y and the serial cable to 
your SDR receiver on the other side.


Your SDR receiver must turn its driver off - it can listen to the RS-232 
traffic, but it cannot transmit requests or commands.


You may have to set up virtual ports with LP-Bridge or Com0Com.

73,
Don W3FPR

On 10/11/2018 11:31 PM, Rich wrote:
If I am reading correctly in Fred's book.   I can connect the *CBLP3Y 
cable to a USB to RS232 adapter to my computer which would create a 
second comport from the radio to my computer.   For example (if I am 
reading correctly)*


*The USB port could be used to for audio codec and rig control (which I 
am already doing successfully)*


*The RJ45 comport output could be sent to a computer to send freq/rig 
data to an SDR receiver for example.*


*Is my thinking/reading correct?*

*This seems very straight forward, but I was hoping to get some thoughts 
from others before I try it.*


*Thanks*

*Rich*

*K3RWN
*

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Re: [Elecraft] KIO3B Upgrade for K3 question

[Gary Smith]

Thank you all for the replies, I really 
appreciate the input.

73,

Gary
KA1J

> I've built a K3 as a kit and added many 
> options as a kit so it's not unfamiliar 
> territory. That said, what is a reasonable 
> amount of time to add a KIO3B Upgrade with 
> its three boards?
> 
> And other than not needing an external 
> soundcard and only requiring a USB cable 
> instead of a RS-232 to USB adapter cable, 
> what is the benefit over the existing 
> hardware in the K3?
> 
> Thanks & 73,
> 
> Gary
> KA1J
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Re: [Elecraft] KIO3B Upgrade for K3 question

[Joe Subich, W4TV]

On 2018-07-24 12:31 AM, Gary Smith wrote:

I've built a K3 as a kit and added many
options as a kit so it's not unfamiliar
territory. That said, what is a reasonable
amount of time to add a KIO3B Upgrade with
its three boards?


No more than a half hour, probably less.  I've
swapped KIO3 board stacks several times.


And other than not needing an external
soundcard and only requiring a USB cable
instead of a RS-232 to USB adapter cable,
what is the benefit over the existing
hardware in the K3?


None.  The conversion from DB9 to RJ45 jacks
for RS-232 (and P3 connection) is a pain if
one uses a real RS-232 connection and/or P3.


73,

   ... Joe, W4TV

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Re: [Elecraft] KIO3B Upgrade for K3 question

[Hisashi T Fujinaka]

Didn't take me that much time if I recall correctly. And not having an
external audio interface and easier RS-232 were exactly the reason I got
the update.

On Tue, 24 Jul 2018, Gary Smith wrote:


I've built a K3 as a kit and added many
options as a kit so it's not unfamiliar
territory. That said, what is a reasonable
amount of time to add a KIO3B Upgrade with
its three boards?

And other than not needing an external
soundcard and only requiring a USB cable
instead of a RS-232 to USB adapter cable,
what is the benefit over the existing
hardware in the K3?

Thanks & 73,

Gary
KA1J
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--
Hisashi T Fujinaka - ht...@twofifty.com
BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee
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Re: [Elecraft] KIO3B Digital I/O assembly

[Jim Shepherd]

Having also hit the wrong hole while attaching cables from in front of the
radio, unless you have totally messed up the contacts, they can be teased
back into position with the careful use of a dental pick. BE SURE to
disconnect the power cable before attempting this repair...no telling what
damage could be caused by shorting a couple of the contacts together while
doing this repair... YMMV.

73 Jim W6US

-- Forwarded message --
From: Michael Blake 
To: Elecraft Mailing List 
Cc:
Bcc:
Date: Thu, 15 Mar 2018 16:18:41 -0400
Subject: [Elecraft] KIO3B Digital I/O assembly
I am not sure how many of you have noticed the warnings in the K3s and P3
manual to NOT plug a USB B connector into the 8P8C modular jack lableled
“RS232/P3” on the rear of the K3s.  This is a VERY important warning but
only if you read it prior to inserting the USB cable (twice) into the
RS232/P3 jack on the KIO3B.

It was the very first plug I inserted after completing my kit while looking
over the radio from the front.  I did it twice because it did not seem to
fit correctly:). I did not realize that I had “squished” it for a couple of
weeks as I had not tried to use the jack.

Since this little bugger (KIO3B Digital I/O Assy E850646) costs $98,
believe it or not, I want to repair my existing board after the replacement
arrives tomorrow.  If I did it once I will probably do it again.

My problem is that there are dozens of similar jacks and I need to find the
correct manufacturer, part number and source for this particular 8P8C
circuit board mounted modular jack. I have the tools and the skills but I
lack the correct part.

If anyone from Elecraft could provide me with the proper replacement jack
information I would be very grateful.


Very 73 - Mike - K9JRI
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Re: [Elecraft] KIO3B Digital I/O assembly

[Michael Blake]

I received this response today.  Thanks Keith!

Hi Mike;
We should have these sockets;
Elecraft part # E620328  CONN, JACK, RJ-45, SHIELDED

Feel free to post this, I get the Digest mode and it is awkward to reply to a 
single post.

PS, It is a common mistake, I have a stack of boards here that I repaired once 
we got the part in.
If the radio is on, sometimes it blows the KIO3B main board, an expensive 
mistake!
One can look into the socket, all the pins should be all the way down and all 
should be even.
Keith WE6R

Michael Blake
k9...@mac.com 






> On Mar 15, 2018, at 4:18 PM, Michael Blake  wrote:
> 
> I am not sure how many of you have noticed the warnings in the K3s and P3 
> manual to NOT plug a USB B connector into the 8P8C modular jack lableled 
> “RS232/P3” on the rear of the K3s.  This is a VERY important warning but only 
> if you read it prior to inserting the USB cable (twice) into the RS232/P3 
> jack on the KIO3B.
> 
> It was the very first plug I inserted after completing my kit while looking 
> over the radio from the front.  I did it twice because it did not seem to fit 
> correctly:). I did not realize that I had “squished” it for a couple of weeks 
> as I had not tried to use the jack.
> 
> Since this little bugger (KIO3B Digital I/O Assy E850646) costs $98, believe 
> it or not, I want to repair my existing board after the replacement arrives 
> tomorrow.  If I did it once I will probably do it again.
> 
> My problem is that there are dozens of similar jacks and I need to find the 
> correct manufacturer, part number and source for this particular 8P8C circuit 
> board mounted modular jack. I have the tools and the skills but I lack the 
> correct part.
> 
> If anyone from Elecraft could provide me with the proper replacement jack 
> information I would be very grateful.
> 
> 
> Very 73 - Mike - K9JRI
> 
> 
> 
> 
> 
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Re: [Elecraft] KIO3B Digital I/O assembly

[iain macdonnell - N6ML]

Ugh! I hope you didn't blow anything by shorting pins together with
the shield of the USB plug!

73,

~iain / N6ML



On Thu, Mar 15, 2018 at 1:18 PM, Michael Blake  wrote:
> I am not sure how many of you have noticed the warnings in the K3s and P3 
> manual to NOT plug a USB B connector into the 8P8C modular jack lableled 
> “RS232/P3” on the rear of the K3s.  This is a VERY important warning but only 
> if you read it prior to inserting the USB cable (twice) into the RS232/P3 
> jack on the KIO3B.
>
> It was the very first plug I inserted after completing my kit while looking 
> over the radio from the front.  I did it twice because it did not seem to fit 
> correctly:). I did not realize that I had “squished” it for a couple of weeks 
> as I had not tried to use the jack.
>
> Since this little bugger (KIO3B Digital I/O Assy E850646) costs $98, believe 
> it or not, I want to repair my existing board after the replacement arrives 
> tomorrow.  If I did it once I will probably do it again.
>
> My problem is that there are dozens of similar jacks and I need to find the 
> correct manufacturer, part number and source for this particular 8P8C circuit 
> board mounted modular jack. I have the tools and the skills but I lack the 
> correct part.
>
> If anyone from Elecraft could provide me with the proper replacement jack 
> information I would be very grateful.
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Re: [Elecraft] KIO3B Audio I/O PCB Assembly

[Ted Edwards W3TB]

Interesting to read, Clay.
I just this month got the P3 Panadaptor and had problems at their
connections to the KIO3B.
I thought it was fixed when they sent me a new cable for the P3, but now it
is back on an intermittant basis and my connection to the computer USB has
gone, too.  I really do think it is within the daughter-board, but there is
nothing I can see there -- even looked for a cold solder joint through a
jeweler's loop.  Now I am really stuck...

On Sat, Oct 14, 2017 at 3:38 AM, Clay Autery  wrote:

> Anyone have a slick way of securing the KIO3B Audio I/O PCB
> Assembly when installed so it doesn't wiggle up and down every time you
> make/break a connection.
>
> Drives me nuts and can't be good for longevity on the multi-pin connector.
>
> 73,
>
> --
> __
> Clay Autery, KY5G
> MONTAC Enterprises
> (318) 518-1389
>
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-- 
73 de Ted Edwards, W3TB and GØPWW

and thinking about operating CW:
"Do today what others won't,
so you can do tomorrow what others can't."
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Re: [Elecraft] KIO3B Installation Problem

[Jim Sr Sturges]

Windows after 7 has a “feature” that hides com ports in the device
manager.  In the device manager, go to View on the menu bar and then
un-hide the hidden ports by clicking on Show Hidden Devices.

73,

Jim N3SZ
On Saturday, September 30, 2017, Don Wilhelm  wrote:

> Buddy,
>
> Load new drivers in the computer.  The computer not indicating the COM
> port assigned is a computer failure.
> After loading the correct drivers, go into Device Manager and open the
> ports section - unplug the USB cable and observe what goes away.
> Then plug the USB cable in again and see what is added.  If it does not
> show the assigned COM port, the computer has a problem.
>
> 73,
> Don W3FPR
>
> On 9/30/2017 8:01 PM, louis a. ives wrote:
>
>> I read the post that Rick N6XI wrote about the problem getting the KI03B
>> to sync. With ports.  I have the exact same problem with my K3 after I
>> replaced a defective KI03B main board.  During the time that it took for my
>> replacement board to arrive, my computer in the shack failed.  I purchased
>> a new desk top computer and after installing the new board in my K3 I found
>> that it would not sync.  I checked the devise manager for the port list and
>> found no list.  I have tried everything to get them to show up in the list
>> with no luck.
>>
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Re: [Elecraft] KIO3B Installation Problem

[Don Wilhelm]

Buddy,

Load new drivers in the computer.  The computer not indicating the COM 
port assigned is a computer failure.
After loading the correct drivers, go into Device Manager and open the 
ports section - unplug the USB cable and observe what goes away.
Then plug the USB cable in again and see what is added.  If it does not 
show the assigned COM port, the computer has a problem.


73,
Don W3FPR

On 9/30/2017 8:01 PM, louis a. ives wrote:
I read the post that Rick N6XI wrote about the problem getting the KI03B to sync. With ports.  I have the exact same problem with my K3 after I replaced a defective KI03B main board.  During the time that it took for my replacement board to arrive, my computer in the shack failed.  I purchased a new desk top computer and after installing the new board in my K3 I found that it would not sync.  I checked the devise manager for the port list and found no list.  I have tried everything to get them to show up in the list with no luck. 

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Re: [Elecraft] KIO3B Installation Problem

[Jim Sr Sturges]

In Device Manager check “View” and un-hide ports.

Jim N3SZ
On Sat, Sep 30, 2017 at 8:08 AM Jim Miller  wrote:

> Try another usb cable.
>
> Jim ab3cv
>
> On Sep 30, 2017, at 8:03 AM, Don Wilhelm  wrote:
>
> Rick,
>
> It is strange that Device Manager does not show the COM port number. With
> that, I would say it is a driver issue - try updating the driver.
>
> If you want to check the KIO3B USB, try using another computer to see if
> the COM port is recognized, if so, the problem is confined to the computer.
>
> 73,
> Don W3FPR
>
> > On 9/29/2017 7:27 PM, Rick Tavan wrote:
> > Helping a guy install a KIO3B in his K3 S/N 4xxx, I'm unable to see it
> > listed as a COM port in K3 Utility. The connection is via the new USB A-B
> > cable. The K3 shows up in Device Manager under Win 7 (IBM laptop) as a
> > sound device, a USB hub, and a xx232... other device (I don't recall the
> > exact nomenclature.) but this version of Win 7/Dev Mgr doesn't display
> COM
> > port numbers and has no PORTS entry in its list of things. Even
> Properties
> > shows no such info. We downloaded the latest K3 Utility 1.16.7.25 but it
> > shows a blank COM port list. The K3 is running uC 5.50, d1 2.87, FL 1.25.
> > We confirmed that K3 Config Menu displays KIO3b and set RS232 to Usb. Any
> > idea what we missed?
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-- 
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Amateur Radio operators do it with frequency.
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Re: [Elecraft] KIO3B Installation Problem

[Jim Miller]

Try another usb cable. 

Jim ab3cv 

On Sep 30, 2017, at 8:03 AM, Don Wilhelm  wrote:

Rick,

It is strange that Device Manager does not show the COM port number. With that, 
I would say it is a driver issue - try updating the driver.

If you want to check the KIO3B USB, try using another computer to see if the 
COM port is recognized, if so, the problem is confined to the computer.

73,
Don W3FPR

> On 9/29/2017 7:27 PM, Rick Tavan wrote:
> Helping a guy install a KIO3B in his K3 S/N 4xxx, I'm unable to see it
> listed as a COM port in K3 Utility. The connection is via the new USB A-B
> cable. The K3 shows up in Device Manager under Win 7 (IBM laptop) as a
> sound device, a USB hub, and a xx232... other device (I don't recall the
> exact nomenclature.) but this version of Win 7/Dev Mgr doesn't display COM
> port numbers and has no PORTS entry in its list of things. Even Properties
> shows no such info. We downloaded the latest K3 Utility 1.16.7.25 but it
> shows a blank COM port list. The K3 is running uC 5.50, d1 2.87, FL 1.25.
> We confirmed that K3 Config Menu displays KIO3b and set RS232 to Usb. Any
> idea what we missed?
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Re: [Elecraft] KIO3B Installation Problem

[Don Wilhelm]

Rick,

It is strange that Device Manager does not show the COM port number. 
With that, I would say it is a driver issue - try updating the driver.


If you want to check the KIO3B USB, try using another computer to see if 
the COM port is recognized, if so, the problem is confined to the computer.


73,
Don W3FPR

On 9/29/2017 7:27 PM, Rick Tavan wrote:

Helping a guy install a KIO3B in his K3 S/N 4xxx, I'm unable to see it
listed as a COM port in K3 Utility. The connection is via the new USB A-B
cable. The K3 shows up in Device Manager under Win 7 (IBM laptop) as a
sound device, a USB hub, and a xx232... other device (I don't recall the
exact nomenclature.) but this version of Win 7/Dev Mgr doesn't display COM
port numbers and has no PORTS entry in its list of things. Even Properties
shows no such info. We downloaded the latest K3 Utility 1.16.7.25 but it
shows a blank COM port list. The K3 is running uC 5.50, d1 2.87, FL 1.25.
We confirmed that K3 Config Menu displays KIO3b and set RS232 to Usb. Any
idea what we missed?

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Re: [Elecraft] KIO3B Installation Problem

[Nr4c]

Be sure to set radioRS232 to USB not  a baud rate like the ref K3. 

Sent from my iPhone
...nr4c. bill


> On Sep 29, 2017, at 7:27 PM, Rick Tavan  wrote:
> 
> Helping a guy install a KIO3B in his K3 S/N 4xxx, I'm unable to see it
> listed as a COM port in K3 Utility. The connection is via the new USB A-B
> cable. The K3 shows up in Device Manager under Win 7 (IBM laptop) as a
> sound device, a USB hub, and a xx232... other device (I don't recall the
> exact nomenclature.) but this version of Win 7/Dev Mgr doesn't display COM
> port numbers and has no PORTS entry in its list of things. Even Properties
> shows no such info. We downloaded the latest K3 Utility 1.16.7.25 but it
> shows a blank COM port list. The K3 is running uC 5.50, d1 2.87, FL 1.25.
> We confirmed that K3 Config Menu displays KIO3b and set RS232 to Usb. Any
> idea what we missed?
> 
> Thanks & 73,
> 
> /Rick N6XI
> 
> --
> 
> Rick Tavan
> Truckee, CA
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Re: [Elecraft] KIO3B Installation Problem

[Joe Subich, W4TV]

> this version of Win 7/Dev Mgr doesn't display COM
> port numbers and has no PORTS entry in its list of things.

Then the system has no serial ports defined.


The K3 shows up in Device Manager under Win 7 (IBM laptop) as a sound
device, a USB hub, and a xx232... other device 


Where does the "other device" appear - what section of the Device 
Manager "Devices by type"?


You should see the USB Hum and a "USB Serial Converter" in the
"Universal Serial Bus controllers" section and "USB Audio CODEC"
in the "Sound, video and game controllers" section.

Select the "USB Serial Converter", click the Advanced tab and
confirm that "Load VCP" is checked.

73,

   ... Joe, W4TV


On 9/29/2017 7:27 PM, Rick Tavan wrote:

Helping a guy install a KIO3B in his K3 S/N 4xxx, I'm unable to see it
listed as a COM port in K3 Utility. The connection is via the new USB A-B
cable. The K3 shows up in Device Manager under Win 7 (IBM laptop) as a
sound device, a USB hub, and a xx232... other device (I don't recall the
exact nomenclature.) but this version of Win 7/Dev Mgr doesn't display COM
port numbers and has no PORTS entry in its list of things. Even Properties
shows no such info. We downloaded the latest K3 Utility 1.16.7.25 but it
shows a blank COM port list. The K3 is running uC 5.50, d1 2.87, FL 1.25.
We confirmed that K3 Config Menu displays KIO3b and set RS232 to Usb. Any
idea what we missed?

Thanks & 73,

/Rick N6XI

--

Rick Tavan
Truckee, CA
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Re: [Elecraft] KIO3B speaker level in digital mode

[Don Wilhelm]

Bob,

Turn the MONitor down.

73,
Don W3FPR

On 5/19/2017 5:26 PM, rgmelton wrote:

I am using WSJT-X for JT65 and a simple USB cable to my K3S.  Can xmt and rcv
fine, but the internal speaker in the rig has very loud output when I xmt
and I cannot find a way to reduce the audio output.  The AF gain on the rig
has no effect.  Any ideas? Thanks.

Bob Melton  KE3KD



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View this message in context: 
http://elecraft.365791.n2.nabble.com/KIO3B-speaker-level-in-digital-mode-tp7630842.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] KIO3B RTTY AFSK problem with Transmit

[Bill Frantz]

Use AFSK A mode for RTTY. DATR A can also be made to work, but 
my experience with AFSK A is much better. FSK D does not use the 
sound card for transmission.


Make sure your computer is producing enough output drive. On my 
Mac I need to go to System Preferences -> Sound and raise the 
output volume all the way.


Make sure your application is addressing the correct USB device. 
(Don't ask how I know.)


Input from the radio should work but might be low in volume. 
Some of us set Config: LIN OUT to about 40.


73 Bill AE6JV

On 1/10/17 at 2:16 PM, w8...@bex.net (Dan) wrote:

Did RU this past weekend and could not get KIO3B to 
XMIT-Receive is fine using MMTTY and N1MM. Ended up using my 
Signal Link for XMIT.

Here is what I know.
NO line in or out connections on back of radio (per earlier email I saw)
Radio control, frequency, etc. work fine-just updated firmware
USB Codec shows as USB Codec 3 on computer. I can see AFSK 
produced in transmit on MMTTY screen and the silly meter in the 
sound control window. but no audio reaches radio

DATA Mode is set for AFSK A (like I have always used it for SIgnal Link)
Even if I manually turn XMIT on no audio IN. (I am using VOX and not PTT) Do I 
need to enable PTT?

I have tried switching MIKE to LINE IN to no avail.

---
Bill Frantz| Security is like Government  | Periwinkle
(408)356-8506  | services. The market doesn't | 16345 
Englewood Ave
www.pwpconsult.com | want to pay for them.| Los Gatos, 
CA 95032


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Re: [Elecraft] KIO3B RTTY AFSK problem with Transmit

[Don Wilhelm]

Dan,

It sounds like you are doing things right.
What is the Speaker slider on the computer set to?  Open the playback 
controls - normally set it to about 75%.  The "meter" in the computer 
soundcard display will not tell you the whole story.  Go to the Playback 
Controls to see the slider (Windows - Mac or Linux may be different).


Make sure there is nothing plugged into LINE IN (it overrides the Codec 
line in).  You may want to insert a plug into the LINE IN jack and 
quickly remove it just to make certain the contacts in the jack close 
properly.


You must set the MIC menu entry to LINE.

Set the audio level correctly (you can do that in TX TEST or connected 
to a dummy load so you do not transmit RF).  Tell your software 
application to "transmit", then adjust the "MIC" gain (actually LINE if 
you have set the menu correctly) until you have 4 bars solid with the 
5th bar flashing.


If you cannot achieve that audio level by manipulating to Speaker slider 
on the computer and the MIC Gain on the K3S, something is awry - contact 
K3support for additional assistance.


73,
Don W3FPR

On 1/10/2017 5:16 PM, Dan wrote:

Did RU this past weekend and could not get KIO3B to XMIT-Receive is fine using 
MMTTY and N1MM. Ended up using my Signal Link for XMIT.
Here is what I know.
NO line in or out connections on back of radio (per earlier email I saw)
Radio control, frequency, etc. work fine-just updated firmware
USB Codec shows as USB Codec 3 on computer. I can see AFSK produced in transmit 
on MMTTY screen and the silly meter in the sound control window. but no audio 
reaches radio
DATA Mode is set for AFSK A (like I have always used it for SIgnal Link)
Even if I manually turn XMIT on no audio IN. (I am using VOX and not PTT) Do I 
need to enable PTT?

I have tried switching MIKE to LINE IN to no avail.


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Re: [Elecraft] KIO3B Serial Port (RJ45) pinout

[Joe Subich, W4TV]

Page 19 (lower right corner) of the K3S Owner's Manual.

73,

   ... Joe, W4TV


On 11/5/2016 6:01 PM, Brian Moran via Elecraft wrote:

I'm trying to find documentation for the KIO3B Serial Port Pinout -- this is 
the RJ45 jack that is on the back panel. I've checked the K3S manual, and the 
KIO3B module installation documentation, but neither seem to show it.

Can anyone point me to this documentation?
thanks,
Brian N9ADG

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Re: [Elecraft] KIO3B woes

[Nr4c]

Set L3 to USB not 38400. 

Sent from my iPhone
...nr4c. bill


> On May 6, 2016, at 9:34 PM, Steve Ward  wrote:
> 
> Hi all, so I just got back in town last night, and I wanted to get my new 
> KIO3B installed in s/n 1544 so I could give it a run during 7QP.  Assembly 
> went smoothly enough and the "Y" cable to the P3 seems to be doing its thing 
> just fine.
> 
> But my Windows 10 computer isn't talking to the K3 or the P3 anymore.  Device 
> manager sees both the sound card and the serial port (assigned to COM5) but 
> neither the K3 utility or the P3 utility (both latest versions) can talk with 
> their respective equipment. They just cycle through all the baud rates trying 
> to make a connection (I checked and both K3 and P3 are set to 38400).
> 
> What have I missed?  I checked all the firmware revisions before starting and 
> everything looks just fine.  I double checked the position of the slide 
> switch on the I/O board before closing the radio up.  Any ideas?  I would 
> hate to have to tear it all apart again tonight just to get on the air for 
> the contest tomorrow, but it's starting to look like that's my answer.  
> Please copy me on any replies because I get the digest version of the 
> reflector and it'll be a while before another one comes through.
> 
> Thanks everyone!
> 
> 73,
> Steve
> AD7OG
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Re: [Elecraft] KIO3B woes

[Steve Ward]

That was it! ID10T error strikes again

On Friday, May 6, 2016, Ed Muns  wrote:

> Make sure you have set 'USB' in the K3 CONFIG menu RS232 item.
>
> Ed W0YK
>
> -Original Message-
> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net ]
> On Behalf Of Steve
> Ward
> Sent: 06 May, 2016 18:34
> To: elecraft@mailman.qth.net 
> Subject: [Elecraft] KIO3B woes
>
> Hi all, so I just got back in town last night, and I wanted to get my
> new KIO3B installed in s/n 1544 so I could give it a run during 7QP.
> Assembly went smoothly enough and the "Y" cable to the P3 seems to be
> doing its thing just fine.
>
> But my Windows 10 computer isn't talking to the K3 or the P3 anymore.
> Device manager sees both the sound card and the serial port (assigned to
> COM5) but neither the K3 utility or the P3 utility (both latest
> versions) can talk with their respective equipment. They just cycle
> through all the baud rates trying to make a connection (I checked and
> both K3 and P3 are set to 38400).
>
> What have I missed?  I checked all the firmware revisions before
> starting and everything looks just fine.  I double checked the position
> of the slide switch on the I/O board before closing the radio up.  Any
> ideas?  I would hate to have to tear it all apart again tonight just to
> get on the air for the contest tomorrow, but it's starting to look like
> that's my answer.  Please copy me on any replies because I get the
> digest version of the reflector and it'll be a while before another one
> comes through.
>
> Thanks everyone!
>
> 73,
> Steve
> AD7OG
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Re: [Elecraft] KIO3B woes

[Ed Muns]

Make sure you have set 'USB' in the K3 CONFIG menu RS232 item.

Ed W0YK

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Steve
Ward
Sent: 06 May, 2016 18:34
To: elecraft@mailman.qth.net
Subject: [Elecraft] KIO3B woes

Hi all, so I just got back in town last night, and I wanted to get my 
new KIO3B installed in s/n 1544 so I could give it a run during 7QP.  
Assembly went smoothly enough and the "Y" cable to the P3 seems to be 
doing its thing just fine.

But my Windows 10 computer isn't talking to the K3 or the P3 anymore.  
Device manager sees both the sound card and the serial port (assigned to 
COM5) but neither the K3 utility or the P3 utility (both latest 
versions) can talk with their respective equipment. They just cycle 
through all the baud rates trying to make a connection (I checked and 
both K3 and P3 are set to 38400).

What have I missed?  I checked all the firmware revisions before 
starting and everything looks just fine.  I double checked the position 
of the slide switch on the I/O board before closing the radio up.  Any 
ideas?  I would hate to have to tear it all apart again tonight just to 
get on the air for the contest tomorrow, but it's starting to look like 
that's my answer.  Please copy me on any replies because I get the 
digest version of the reflector and it'll be a while before another one 
comes through.

Thanks everyone!

73,
Steve
AD7OG
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Re: [Elecraft] KIO3B

[Mike Harris]

Many thanks to all who have taken the time to respond to this thread. I 
will continue to try and resolve this issue and as a first step I 
plugged the K3 USB into my Toshiba NB510 Netbook, fired up L32 (slightly 
earlier version) and the CW machine and the software/DTR CW was fine.


The netbook has nowhere near the power of the Dell desktop so 
investigation is in order.


Regards,

Mike VP8NO

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Re: [Elecraft] KIO3B

[Kevin Stover]

Sometimes there really is no good explanation because people don't use 
the same hardware, and thus have different drivers installed. They also 
have different software installed. The machine I'm typing this on is a 
quad core processor running at 4Ghz with 16 Gigabytes of ram and a pair 
of SSD's. This thing rips by anybody's standard. It won't run Adobe 
Flash worth a crap. All three browsers will lock up from time to time. 
Kill the Flash plugin and it works but there goes my "multimedia 
experience".


So, it could be hardware, it could be USB driver versions, it could be 
drivers for any of the hardware installed, it could be installed 
software. It could be Windows itself. Point is the Winkey bypasses all 
that stuff and is still "one wire compliant" in that it doesn't connect 
to the radio except the key jack which I assume may already have a 
paddle hooked up.


On 3/13/2016 5:34 PM, Ian White wrote:

I have read the same discussions about problems with serial-port keying,
and like Guy, have never understood why some people experience timing
problems while others do not.

However, the point at issue here is much more specific: VP8NO's
observation that his KIO3B-USB connection in his older K3 had keying
problems whereas his hardware RS232 connection did not.  I was only
trying to balance that with the observation that the KIO3B's USB port
*is* capable of providing good serial-port keying in the absence of any
other problems.


73 from Ian GM3SEK




--
R. Kevin Stover
AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441


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Re: [Elecraft] KIO3B

[Ian White]

I have read the same discussions about problems with serial-port keying,
and like Guy, have never understood why some people experience timing
problems while others do not.

However, the point at issue here is much more specific: VP8NO's
observation that his KIO3B-USB connection in his older K3 had keying
problems whereas his hardware RS232 connection did not.  I was only
trying to balance that with the observation that the KIO3B's USB port
*is* capable of providing good serial-port keying in the absence of any
other problems. 


73 from Ian GM3SEK


>-Original Message-
>From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
>Guy Olinger K2AV
>Sent: 13 March 2016 19:29
>To: Ian White
>Cc: Elecraft Reflector
>Subject: Re: [Elecraft] KIO3B
>
>This seems to be the same ole age old problem of relying on a PC keying
CW
>over a single lead on the RS232 connection or its stand-in (USB).
>
>Over and over ad nauseum, literally thousands of times, this has been
>discussed everywhere since before USB existed. Parallel port
keying...if
>you don't know what a parallel port is, don't feel bad, that's how old
this
>problem is...it first surfaced so long ago I can't remember how far
back.
>Parallel port keying seemed to be far less susceptible, with cleaner
code
>formation. But we all know what happened to parallel ports, if you even
>know what one is.
>
>I have not, in my entire life, heard a satisfying answer as to why the
>difference.
>
>The very large sample size conclusion: Some people can do that and
sound
>perfectly crisp, no matter what. Some will get infrequent odd scattered
>distortions, that are not enough of a problem to worry about. Others
are
>driven to distraction with distortions sometimes bordering on
hilarious.
>Some computers have spells of it that come and go, seeming to
correspond
>to
>phases of the moon, alignment of planets, or giraffe mating season.
>
>Some now have excellent results with straight, normal RS232, but USB
>routed
>functions screw up. Others via USB lines do perfectly well. Others
STILL
>can't use the serial line approach AT ALL. Back in the day, slow CPU
speed
>and limited memory were often associated with the poor performance.
>
>SOMETIMES, NOT ALWAYS, upgrades to the CPU and memory would fix it.
>Many
>just gave up and went PERMANENTLY to WinKey (way, way cheaper than
>motherboards and memory) based solutions, myself included.
>
>The N1MM integration of WinKey devices is at this point flawless. And
the
>ability now to create tailored PTT, that changes with code speed from a
>MicroHam box with embedded WinKey, is priceless.
>
>There has NEVER, in all this decade of fighting this problem, been a
silver
>bullet solution that fixed the RS232 or USB key line problems. Over the
>years I have literally seen hundreds of extended email threads about
>dragged-on investigations by earnest and intelligent ham investigators
who
>never uncovered any solution except throwing bigger and better CPU's at
>the
>problem, HOPING for better performance.
>
>Some people having the problem, while others with similar or identical
>equipment having none, simply means nothing. It has always been that
way.
>One swears that he did this or that and the problem went away, and it
>really did go away when HE did that, he's not lying or deluded. But
others
>try the same solution and nothing changes.
>
>Blaming key line over RS232 or USB problems on anything other than
>poltergeist is just plain unfair. It just could be that one insulted
Murphy
>just one too many times.
>
>I understand that people are trying to make cabling go away. Completely
>understand. Been there, done that, failed. Back to WinKey, permanently.
No
>more wasting time, except my 432nd (or is it 610th, or 326th? I forget)
>lifetime email on this frustrating problem.
>
>I have other poltergeist to work on that have no convenient WinKey
solution
>standing by.
>
>73, and I DO wish you good luck on this one, but don't count on it.
PC's
>and their constantly thrashing drivers and system program code just
have
>too many moving parts.
>
>Guy K2AV
>
>On Sun, Mar 13, 2016 at 1:46 PM, Ian White <gm3...@ifwtech.co.uk>
>wrote:
>
>> Same here too, well formed CW from both a K3 and a K3S using the
KIO3B
>> board configured for USB. N1MM+ keys the virtual DTR line (no
Winkey).
>>
>> 73 from Ian GM3SEK
>>
>>
>> >-Original Message-
>> >From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf
Of
>> >Jim Miller
>> >Sent: 13 March 2016 15:42
>> >To: w0agm...@gmail.com
>> >Cc: elecraft@mailman.qth.net
>> >Subject: Re: [Elecraft] KIO3B
>> >
>> >Clean CW here well over 3

Re: [Elecraft] KIO3B

[Nr4c]

One issue of using KY commands is the Esc key will no longer stop a 
transmission. 

You cannot use Ctrl "K" to type a message to be sent by n1mm. 

Sent from my iPhone
...nr4c. bill


> On Mar 13, 2016, at 4:58 PM, Guy Olinger K2AV  wrote:
> 
>> On Sun, Mar 13, 2016 at 4:19 PM, Bill Frantz  wrote:
>> 
>> One approach to reducing the cable mess might be to have the PC key the
>> K(X)3(S) using KY programming command, making the radio's keyer send the
>> CW. There are some existing programs which use this technique.
>> 
>> 
> This is an approach that I'm working on since it can be sent from N1MM
> function key strings (99% of CW contest sending) and can include rig
> control commands and be blended with stuff that N1MM does well and doesn't
> need change. Other folks are working on this and probably there will be a
> collection of cute techniques that will emerge.
> 
> So far, so good.
> 
> 73, Guy K2AV
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Re: [Elecraft] KIO3B

[Guy Olinger K2AV]

On Sun, Mar 13, 2016 at 4:19 PM, Bill Frantz  wrote:

> One approach to reducing the cable mess might be to have the PC key the
> K(X)3(S) using KY programming command, making the radio's keyer send the
> CW. There are some existing programs which use this technique.
>
>
This is an approach that I'm working on since it can be sent from N1MM
function key strings (99% of CW contest sending) and can include rig
control commands and be blended with stuff that N1MM does well and doesn't
need change. Other folks are working on this and probably there will be a
collection of cute techniques that will emerge.

So far, so good.

73, Guy K2AV
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Re: [Elecraft] KIO3B

[Bill Frantz]

One approach to reducing the cable mess might be to have the PC 
key the K(X)3(S) using KY programming command, making the 
radio's keyer send the CW. There are some existing programs 
which use this technique.


[My CW isn't good enough to know if it actually works well when 
operating north of 30 WPM.]


73 Bill AE6JV

On 3/13/16 at 12:28 PM, k2av@gmail.com (Guy Olinger K2AV) wrote:


I understand that people are trying to make cabling go away. Completely
understand. Been there, done that, failed. Back to WinKey, permanently. No
more wasting time, except my 432nd (or is it 610th, or 326th? I forget)
lifetime email on this frustrating problem.


---
Bill Frantz| I don't have high-speed  | Periwinkle
(408)356-8506  | internet. I have DSL.| 16345 
Englewood Ave
www.pwpconsult.com |  | Los Gatos, 
CA 95032


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Re: [Elecraft] KIO3B

[Bill Frantz]

One approach to reducing the cable mess might be to have the PC 
key the K(X)3(S) using KY programming command, making the 
radio's keyer send the CW.


73 Bill AE6JV

On 3/13/16 at 12:28 PM, k2av@gmail.com (Guy Olinger K2AV) wrote:


I understand that people are trying to make cabling go away. Completely
understand. Been there, done that, failed. Back to WinKey, permanently. No
more wasting time, except my 432nd (or is it 610th, or 326th? I forget)
lifetime email on this frustrating problem.


---
Bill Frantz| I don't have high-speed  | Periwinkle
(408)356-8506  | internet. I have DSL.| 16345 
Englewood Ave
www.pwpconsult.com |  | Los Gatos, 
CA 95032


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Re: [Elecraft] KIO3B

[Gary Smith]

Mike,

I am using a K3s but the KIO3B is the same for us and I believe the 
config settings are the same for a K3 with it. I have the USB from 
the KIO3B going to a powered USB hub with 5 devices total on it. I 
have the RS232 from the K3s going to a P3 with the CBLP3Y.

I was working the Stew Perry contest last night, using N1MM and using 

its macros to send CW. The only problem I had in sending is in 
remembering which function key to hit as using a keyboard to send CW 
is new to me (Well... I did have an Apple II+ back in 1981 that had a 

board in it for CW/RTTY but nothing keyboard to send CW since then)

Someone (here, I believe) kindly helped me with the settings to use 
with N1MM & the K3 and be sure if you use N1MM, to have in CONFIG, 
the PTT-KEY set to OFF - RTS. I don't know if any of this will help 
you but I can say that up to 30 WPM, there is no problem on this end 
whatsoever. Your solution will likely be easy to resolve once you pin 

it down.

73,

Gary
KA1J


> An observation.
> 
> Installed a KIO3B in K3 #345, no problems all working either RS232 or 
> USB or both together for CAT and audio.
> 
> I use Logger32 and prior to installing the KIO3B my 3GHz clock PC 
> comfortably delivered software CW from within Logger over RS232 without 
> the need for a Winkey unit.
> 
> I have been running the CAT/audio over USB but apart from checking that 
> CW keying was working, lights flashing, never listened to it. This 
> weekend, however, I did a bit of S in a CW contest using Logger macros 
> for calling and serial numbering. The CW was rather choppy and 
> noticeably staggered at times. So much so that it put me right off my 
> stride and I had to resort to hand keying.
> 
> For experiment I transferred CAT and CW over to the K3 RS232 port driven 
> from a real RS232 on the PC and everything was back to normal. Toggling 
> between USB and RS232 equally toggled the "problem" on and off.
> 
> Expanding upon this I transferred K3 RS232 to a USB/serial converter, 
> original Elecraft with Prolific chip set, and all was still OK. Couldn't 
> hear any difference between the native RS232 port and the USB adapter.
> 
> My non-PC specialist conclusion is that either the driver supporting the 
> KIO3B or all the USB routing action within the KIO3B is causing the damage.
> 
> No big deal for me to transfer CAT/CW during my very infrequent CW 
> contest activity, just unfortunate that in my cast the one cable 
> solution at present isn't.
> 
> Any thoughts.
> 
> Regards,
> 
> Mike VP8NO

_
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Re: [Elecraft] KIO3B

[lstavenhagen]

Goes back even further than that, all the way to the semi-automatic bug, in
my opinion. We used to put relay circuits on our keys to get reliable,
click/bounce free keying of our rigs, due to contact bounce and poor contact
in general in the bug's moving parts. I'm going to have to build one of
these for my two Vibroplex's in fact to properly key my elecrafts too,
because of the occasional 7 to 8ohms that appears when making the Dahs

For me, the only really working final solution to using a computer with my
rigs has been to unhook it from the rig completely. When I go operate, I
have the K2 or K3, a paddle or straight key and a pencil/notebook and that's
it. 

Yeah, I'll never win any contests, but at least I can key the rig. So at the
end of the day, I've found, computers and ham rigs ultimately don't mix.
Unless it's the elecraft panadapter... 

smileys throughout, 

73,
LS
W5QD



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View this message in context: 
http://elecraft.365791.n2.nabble.com/KIO3B-tp7615150p7615159.html
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Re: [Elecraft] KIO3B

[Guy Olinger K2AV]

This seems to be the same ole age old problem of relying on a PC keying CW
over a single lead on the RS232 connection or its stand-in (USB).

Over and over ad nauseum, literally thousands of times, this has been
discussed everywhere since before USB existed. Parallel port keying...if
you don't know what a parallel port is, don't feel bad, that's how old this
problem is...it first surfaced so long ago I can't remember how far back.
Parallel port keying seemed to be far less susceptible, with cleaner code
formation. But we all know what happened to parallel ports, if you even
know what one is.

I have not, in my entire life, heard a satisfying answer as to why the
difference.

The very large sample size conclusion: Some people can do that and sound
perfectly crisp, no matter what. Some will get infrequent odd scattered
distortions, that are not enough of a problem to worry about. Others are
driven to distraction with distortions sometimes bordering on hilarious.
Some computers have spells of it that come and go, seeming to correspond to
phases of the moon, alignment of planets, or giraffe mating season.

Some now have excellent results with straight, normal RS232, but USB routed
functions screw up. Others via USB lines do perfectly well. Others STILL
can't use the serial line approach AT ALL. Back in the day, slow CPU speed
and limited memory were often associated with the poor performance.

SOMETIMES, NOT ALWAYS, upgrades to the CPU and memory would fix it. Many
just gave up and went PERMANENTLY to WinKey (way, way cheaper than
motherboards and memory) based solutions, myself included.

The N1MM integration of WinKey devices is at this point flawless. And the
ability now to create tailored PTT, that changes with code speed from a
MicroHam box with embedded WinKey, is priceless.

There has NEVER, in all this decade of fighting this problem, been a silver
bullet solution that fixed the RS232 or USB key line problems. Over the
years I have literally seen hundreds of extended email threads about
dragged-on investigations by earnest and intelligent ham investigators who
never uncovered any solution except throwing bigger and better CPU's at the
problem, HOPING for better performance.

Some people having the problem, while others with similar or identical
equipment having none, simply means nothing. It has always been that way.
One swears that he did this or that and the problem went away, and it
really did go away when HE did that, he's not lying or deluded. But others
try the same solution and nothing changes.

Blaming key line over RS232 or USB problems on anything other than
poltergeist is just plain unfair. It just could be that one insulted Murphy
just one too many times.

I understand that people are trying to make cabling go away. Completely
understand. Been there, done that, failed. Back to WinKey, permanently. No
more wasting time, except my 432nd (or is it 610th, or 326th? I forget)
lifetime email on this frustrating problem.

I have other poltergeist to work on that have no convenient WinKey solution
standing by.

73, and I DO wish you good luck on this one, but don't count on it. PC's
and their constantly thrashing drivers and system program code just have
too many moving parts.

Guy K2AV

On Sun, Mar 13, 2016 at 1:46 PM, Ian White <gm3...@ifwtech.co.uk> wrote:

> Same here too, well formed CW from both a K3 and a K3S using the KIO3B
> board configured for USB. N1MM+ keys the virtual DTR line (no Winkey).
>
> 73 from Ian GM3SEK
>
>
> >-Original Message-
> >From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
> >Jim Miller
> >Sent: 13 March 2016 15:42
> >To: w0agm...@gmail.com
> >Cc: elecraft@mailman.qth.net
> >Subject: Re: [Elecraft] KIO3B
> >
> >Clean CW here well over 30 wpm.
> >
> >GL
> >
> >Jim ab3cv
> >
> >
> >
> >On Sunday, March 13, 2016, Mike Murray <w0agm...@gmail.com> wrote:
> >
> >> Interesting observation, especially since I've been considering the
> KIO3B
> >> in an effort to reduce my  current rat's nest of cabling.  Has anyone
> else
> >> noted this problem and/or found a solution?
> >>
> >> Mike - W0AG
> >>
> >> My non-PC specialist conclusion is that either the driver supporting
> the
> >> > KIO3B or all the USB routing action within the KIO3B is causing the
> >> damage.
>
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Re: [Elecraft] KIO3B

[Ian White]

Same here too, well formed CW from both a K3 and a K3S using the KIO3B
board configured for USB. N1MM+ keys the virtual DTR line (no Winkey). 

73 from Ian GM3SEK


>-Original Message-
>From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
>Jim Miller
>Sent: 13 March 2016 15:42
>To: w0agm...@gmail.com
>Cc: elecraft@mailman.qth.net
>Subject: Re: [Elecraft] KIO3B
>
>Clean CW here well over 30 wpm.
>
>GL
>
>Jim ab3cv
>
>
>
>On Sunday, March 13, 2016, Mike Murray <w0agm...@gmail.com> wrote:
>
>> Interesting observation, especially since I've been considering the
KIO3B
>> in an effort to reduce my  current rat's nest of cabling.  Has anyone
else
>> noted this problem and/or found a solution?
>>
>> Mike - W0AG
>>
>> My non-PC specialist conclusion is that either the driver supporting
the
>> > KIO3B or all the USB routing action within the KIO3B is causing the
>> damage.

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Re: [Elecraft] KIO3B

[Kevin Stover]

I have a Winkey. I use it.

On 3/13/2016 9:25 AM, Mike Harris wrote:

An observation.

Installed a KIO3B in K3 #345, no problems all working either RS232 or 
USB or both together for CAT and audio.


I use Logger32 and prior to installing the KIO3B my 3GHz clock PC 
comfortably delivered software CW from within Logger over RS232 
without the need for a Winkey unit.
## How do you know that? It may work great at any specific time but 
sooner or later the CW will get messed up.
If you don't have a Winkey USB I'd get one, One USB cable to the PC and 
a key line to the rig. It's supported by all the contesting/general 
logging software. It's also a real good standalone keyer, better than 
the one in the K3(s).


I'd be using the RS-232 port on the K3s for rig control and the USB for 
audio in/out.

The one cable solution may not be.



Any thoughts.

Regards,

Mike VP8NO





--
R. Kevin Stover
AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441


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Re: [Elecraft] KIO3B

[Jim Miller]

Clean CW here well over 30 wpm.

GL

Jim ab3cv



On Sunday, March 13, 2016, Mike Murray  wrote:

> Interesting observation, especially since I've been considering the KIO3B
> in an effort to reduce my  current rat's nest of cabling.  Has anyone else
> noted this problem and/or found a solution?
>
> Mike - W0AG
>
> My non-PC specialist conclusion is that either the driver supporting the
> > KIO3B or all the USB routing action within the KIO3B is causing the
> damage.
> >
> >
> >
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Re: [Elecraft] KIO3B

[Mike Murray]

Interesting observation, especially since I've been considering the KIO3B
in an effort to reduce my  current rat's nest of cabling.  Has anyone else
noted this problem and/or found a solution?

Mike - W0AG

My non-PC specialist conclusion is that either the driver supporting the
> KIO3B or all the USB routing action within the KIO3B is causing the damage.
>
>
>
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Re: [Elecraft] KIO3B Upgrade Kit for the K3

[Tom Crayner]

Don,

Wasn't the KIO3B code added at firmware level 5.x?

If so, not sure the K3 knows anything about the USB setting unless it is
polling those settings directly from the board itself.

Tom (W2YF)



On Tue, Feb 9, 2016 at 7:29 AM, Don Wilhelm  wrote:

> Rob,
>
> Did you set the CONFIG: RS232 to USB?  You should then be able to get
> K3Utility to communicate with the K3 over USB.
> Once you accomplish that, you should be able to download the new firmware
> through the USB port.
>
> If that does not work, set the switch on the back of the board to the
> RS-232 position and connect the PC (with a USB to serial adapter) to the
> dongle provided with the upgrade kit - be sure to set the RS-232 menu
> parameter back to 38400 to use RS-232.
>
> I recall that firmware 4.86 is before the memory slots for the TX Gain
> data was moved, so be sure to run TX Gain Calibration after the firmware
> upgrade.
>
> 73,
> Don W3FPR
>
> On 2/8/2016 10:41 PM, ROBERT KIMPEL wrote:
>
>> I just completed the install of the KI03 update to my K3 SN 4843 and
>> guess what? I forgot to update the firmware to the latest version (4.86
>> now). The PC won’t talk to the K3 through the USB! Do I need to restore the
>> old boards and then update? I am watching for your HELP!
>> Rob, KJ6ILO
>> __
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Re: [Elecraft] KIO3B Upgrade Kit for the K3

[Don Wilhelm]

I did not check the firmware release notes.
If that is the case, then the switch will have to be set to the RS-232 
position and the RJ45 to RS-232 dongle used until the firmware is updated.

Be certain the switch is returned to its normal position afterwards.

Also be certain the RJ-45 plug is fully inserted.  You will hear a 
definite click when it is fully seated.

You may have to slide the boot cover back a bit to push the plug home.

73,
Don W3FPR

On 2/9/2016 9:16 AM, Tom Crayner wrote:

Don,

Wasn't the KIO3B code added at firmware level 5.x?

If so, not sure the K3 knows anything about the USB setting unless it is
polling those settings directly from the board itself.



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Re: [Elecraft] KIO3B Upgrade Kit for the K3

[Don Wilhelm]

Rob,

Did you set the CONFIG: RS232 to USB?  You should then be able to get 
K3Utility to communicate with the K3 over USB.
Once you accomplish that, you should be able to download the new 
firmware through the USB port.


If that does not work, set the switch on the back of the board to the 
RS-232 position and connect the PC (with a USB to serial adapter) to the 
dongle provided with the upgrade kit - be sure to set the RS-232 menu 
parameter back to 38400 to use RS-232.


I recall that firmware 4.86 is before the memory slots for the TX Gain 
data was moved, so be sure to run TX Gain Calibration after the firmware 
upgrade.


73,
Don W3FPR

On 2/8/2016 10:41 PM, ROBERT KIMPEL wrote:

I just completed the install of the KI03 update to my K3 SN 4843 and guess 
what? I forgot to update the firmware to the latest version (4.86 now). The PC 
won’t talk to the K3 through the USB! Do I need to restore the old boards and 
then update? I am watching for your HELP!
Rob, KJ6ILO
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Re: [Elecraft] KIO3B Upgrade Kit for the K3

[ROB KIMPEL]

Thanks for the answer, guys! That helped! !

On Tuesday, February 9, 2016, Don Wilhelm  wrote:

> Rob,
>
> Did you set the CONFIG: RS232 to USB?  You should then be able to get
> K3Utility to communicate with the K3 over USB.
> Once you accomplish that, you should be able to download the new firmware
> through the USB port.
>
> If that does not work, set the switch on the back of the board to the
> RS-232 position and connect the PC (with a USB to serial adapter) to the
> dongle provided with the upgrade kit - be sure to set the RS-232 menu
> parameter back to 38400 to use RS-232.
>
> I recall that firmware 4.86 is before the memory slots for the TX Gain
> data was moved, so be sure to run TX Gain Calibration after the firmware
> upgrade.
>
> 73,
> Don W3FPR
>
> On 2/8/2016 10:41 PM, ROBERT KIMPEL wrote:
>
>> I just completed the install of the KI03 update to my K3 SN 4843 and
>> guess what? I forgot to update the firmware to the latest version (4.86
>> now). The PC won’t talk to the K3 through the USB! Do I need to restore the
>> old boards and then update? I am watching for your HELP!
>> Rob, KJ6ILO
>> __
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>> This list hosted by: http://www.qsl.net
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>>
>
>
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Re: [Elecraft] KIO3B Upgrade Kit for the K3

[James F. Boehner MD via Elecraft]

Robert,

I have not had the experience doing this, but on page 13 of the KIO3B update 
manual, it instructs how to force a firmware download using the USB port by 
temporarily moving the internal slide switch to the USB position.

’73 de JIM N2ZZ


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of ROBERT 
KIMPEL
Sent: Monday, February 08, 2016 10:41 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KIO3B Upgrade Kit for the K3

I just completed the install of the KI03 update to my K3 SN 4843 and guess 
what? I forgot to update the firmware to the latest version (4.86 now). The PC 
won’t talk to the K3 through the USB! Do I need to restore the old boards and 
then update? I am watching for your HELP!
Rob, KJ6ILO
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Re: [Elecraft] KIO3B

[Joe Subich, W4TV]

Check the Windows Sound Control Panel ... select recording devices |
"microphone (USB Audio CODEC)" and open the Advanced tab.  Make sure
the default format is set to a 2 channel option (typically,  2 channel
16 bit, 48000 Hz (DVD Quality)).

Windows has a terrible habit of defaulting "microphone" devices to
single (left) channel operation.

73,

   ... Joe, W4TV


On 2/3/2016 4:17 PM, Mike Harris wrote:

Question:

Is there any way that the on-board audio codec can be locked in mono
mode or something that looks like that? Not that I want it to be.

Using the analogue line out I get normal L channels into MMTTY in SO2V
mode running in Logger32. The SO2V channel goes dark if I turn off the
Sub RX. All is normal as I have been running it for years

If I use the USB audio which presents itself to MMTTY as:

Reception: Microphone (USB Audio Codec)
Transmission: Speakers (USB Audio Codec)

I only see the audio from the main RX in both channels despite the main
being configured as left and the sub channel configured as right.
Turning the sub RX on or off has no effect except for in the headphones.

I would suspect that I have some horrible Win7/64 audio configuration
problem which at present I just can't figure out.

Anyone got any thoughts on this.

Regards,

Mike VP8NO
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Re: [Elecraft] KIO3B

[Mike Harris]

Spot on Joe, many thanks for your time. Now to get the levels all sorted 
out again.


Regards,

Mike VP8NO

On 03/02/2016 19:22, Joe Subich, W4TV wrote:


Check the Windows Sound Control Panel ... select recording devices |
"microphone (USB Audio CODEC)" and open the Advanced tab.  Make sure
the default format is set to a 2 channel option (typically,  2 channel
16 bit, 48000 Hz (DVD Quality)).

Windows has a terrible habit of defaulting "microphone" devices to
single (left) channel operation.

73,

... Joe, W4TV

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Re: [Elecraft] KIO3B Problem

[Don Wilhelm]

Doug,

Bring up the USB soundcard on your computer and look at the output 
(speaker) volume.
Just how you do that is OS dependent so specific instructions are not 
possible at this point.

Make certain the "speakers" are not muted.

73,
Don W3FPR

On 1/21/2016 4:40 PM, Doug via Elecraft wrote:

Hi Elecrafters, I just installed a KIO3B in my K3, SN8214. Installation was
  easy, and I have it connected via the USB port to the computer.  I'm
trying  to use it on digital modes: PSK31, PSK63 etc, using DigiPan and WSJT
software.  The receive function is working perfectly; as a matter of  fact, it
copies received text better than any other rig/software combination  I've
ever used. The problem is that I can't get it to transmit.  The  software is
sending the tones; when I switch to the sound card in the computer,  I hear
the transmit tones coming from the computer speakers, but when I switch  to
the sound card on the KIO3B, there's no output, even when I manually switch
the K3 to Xmit.  No indication of power out or ALC action, and nothing
heard on a second receiver. I went down the configuration list and made sure
everything is set-up properly, as far as I can determine.  I'm running out  of
ideas here, can anyone help?
  



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Re: [Elecraft] KIO3B audio into the K3?

[Hisashi T Fujinaka]

In case anyone was wondering, I suspect this is a failing of Mac OS X
and USB audio. After conversations with Mac and Apple developers about
the state of USB audio as of Yosemite (and even worse, in El Capitan) I
decided to use a different OS. I'm now running a brand-new $349 HP
laptop and WSJT-X ran fine last night in Win 10 and Ubuntu. It's not an
ideal choice, but having the audio quit in the middle of a conversation
was a deal breaker.

I could go on about OS X Bluetooth issues after Snow Leopard but that's
a different off-topic story.

On Mon, 4 Jan 2016, Hisashi T Fujinaka wrote:


Odd. I got the SignaLink to work, and then the K3S worked fine.

On Mon, 4 Jan 2016, Hisashi T Fujinaka wrote:


Oh, good idea. I forgot I have a Signalink somewhere.

On Mon, 4 Jan 2016, Don Wilhelm wrote:


Hisashi,

I suspect the computer or the software application.
Do a test - connect a USB soundcard to your computer and tell WSJT-X and 
JT65 to use that soundcard.
Connect the output of the soundcard to an amplifier or headphones and 
listen to the audio as the application "transmits".


73,
Don W3FPR

On 1/4/2016 1:09 AM, Hisashi T Fujinaka wrote:

Now I think it's the WSJT-X software rather than the radio because I can
get JT65 to work for a while and then it stops sending audio to the K3.
Fortunately it hasn't stopped in the middle of a QSO, but only in
between.

It could be somehow messing with the settings, but I really don't know
how I'd check to see if the USB audio is making it to the radio. Power
cycling the radio doesn't help. I suppose I could keep rebooting the
laptop but that's a bit painful as well.

Anyone have any more hints?

On Sun, 3 Jan 2016, Hisashi T Fujinaka wrote:


Setting up wsjt-x on the Mac is not as straightforward as the
instructions say.* In any case, I think I have it decoding now but now I
have to figure out how to get audio from my Mac to the K3.

Am I right in thinking that the audio TO the K3 should go through USB as
well?

Any other tricks I should know about?

*The instructions say move the app ANYWHERE but the kvasd installer only
works if you put the application into /Applications and not in a "Ham
Radio" Folder. It's probably the space in the filename, now that I
think of it.












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BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee
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Re: [Elecraft] KIO3B audio into the K3?

[Don Wilhelm]

Hisashi,

I suspect the computer or the software application.
Do a test - connect a USB soundcard to your computer and tell WSJT-X and 
JT65 to use that soundcard.
Connect the output of the soundcard to an amplifier or headphones and 
listen to the audio as the application "transmits".


73,
Don W3FPR

On 1/4/2016 1:09 AM, Hisashi T Fujinaka wrote:

Now I think it's the WSJT-X software rather than the radio because I can
get JT65 to work for a while and then it stops sending audio to the K3.
Fortunately it hasn't stopped in the middle of a QSO, but only in
between.

It could be somehow messing with the settings, but I really don't know
how I'd check to see if the USB audio is making it to the radio. Power
cycling the radio doesn't help. I suppose I could keep rebooting the
laptop but that's a bit painful as well.

Anyone have any more hints?

On Sun, 3 Jan 2016, Hisashi T Fujinaka wrote:


Setting up wsjt-x on the Mac is not as straightforward as the
instructions say.* In any case, I think I have it decoding now but now I
have to figure out how to get audio from my Mac to the K3.

Am I right in thinking that the audio TO the K3 should go through USB as
well?

Any other tricks I should know about?

*The instructions say move the app ANYWHERE but the kvasd installer only
works if you put the application into /Applications and not in a "Ham
Radio" Folder. It's probably the space in the filename, now that I
think of it.




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Re: [Elecraft] KIO3B audio into the K3?

[Hisashi T Fujinaka]

Oh, good idea. I forgot I have a Signalink somewhere.

On Mon, 4 Jan 2016, Don Wilhelm wrote:


Hisashi,

I suspect the computer or the software application.
Do a test - connect a USB soundcard to your computer and tell WSJT-X and JT65 
to use that soundcard.
Connect the output of the soundcard to an amplifier or headphones and listen 
to the audio as the application "transmits".


73,
Don W3FPR

On 1/4/2016 1:09 AM, Hisashi T Fujinaka wrote:

Now I think it's the WSJT-X software rather than the radio because I can
get JT65 to work for a while and then it stops sending audio to the K3.
Fortunately it hasn't stopped in the middle of a QSO, but only in
between.

It could be somehow messing with the settings, but I really don't know
how I'd check to see if the USB audio is making it to the radio. Power
cycling the radio doesn't help. I suppose I could keep rebooting the
laptop but that's a bit painful as well.

Anyone have any more hints?

On Sun, 3 Jan 2016, Hisashi T Fujinaka wrote:


Setting up wsjt-x on the Mac is not as straightforward as the
instructions say.* In any case, I think I have it decoding now but now I
have to figure out how to get audio from my Mac to the K3.

Am I right in thinking that the audio TO the K3 should go through USB as
well?

Any other tricks I should know about?

*The instructions say move the app ANYWHERE but the kvasd installer only
works if you put the application into /Applications and not in a "Ham
Radio" Folder. It's probably the space in the filename, now that I
think of it.






--
Hisashi T Fujinaka - ht...@twofifty.com
BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee
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Re: [Elecraft] KIO3B audio into the K3?

[Hisashi T Fujinaka]

Odd. I got the SignaLink to work, and then the K3S worked fine.

On Mon, 4 Jan 2016, Hisashi T Fujinaka wrote:


Oh, good idea. I forgot I have a Signalink somewhere.

On Mon, 4 Jan 2016, Don Wilhelm wrote:


Hisashi,

I suspect the computer or the software application.
Do a test - connect a USB soundcard to your computer and tell WSJT-X and 
JT65 to use that soundcard.
Connect the output of the soundcard to an amplifier or headphones and 
listen to the audio as the application "transmits".


73,
Don W3FPR

On 1/4/2016 1:09 AM, Hisashi T Fujinaka wrote:

Now I think it's the WSJT-X software rather than the radio because I can
get JT65 to work for a while and then it stops sending audio to the K3.
Fortunately it hasn't stopped in the middle of a QSO, but only in
between.

It could be somehow messing with the settings, but I really don't know
how I'd check to see if the USB audio is making it to the radio. Power
cycling the radio doesn't help. I suppose I could keep rebooting the
laptop but that's a bit painful as well.

Anyone have any more hints?

On Sun, 3 Jan 2016, Hisashi T Fujinaka wrote:


Setting up wsjt-x on the Mac is not as straightforward as the
instructions say.* In any case, I think I have it decoding now but now I
have to figure out how to get audio from my Mac to the K3.

Am I right in thinking that the audio TO the K3 should go through USB as
well?

Any other tricks I should know about?

*The instructions say move the app ANYWHERE but the kvasd installer only
works if you put the application into /Applications and not in a "Ham
Radio" Folder. It's probably the space in the filename, now that I
think of it.









--
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BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee
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Re: [Elecraft] KIO3B audio into the K3?

[Hisashi T Fujinaka]

Now I think it's the WSJT-X software rather than the radio because I can
get JT65 to work for a while and then it stops sending audio to the K3.
Fortunately it hasn't stopped in the middle of a QSO, but only in
between.

It could be somehow messing with the settings, but I really don't know
how I'd check to see if the USB audio is making it to the radio. Power
cycling the radio doesn't help. I suppose I could keep rebooting the
laptop but that's a bit painful as well.

Anyone have any more hints?

On Sun, 3 Jan 2016, Hisashi T Fujinaka wrote:


Setting up wsjt-x on the Mac is not as straightforward as the
instructions say.* In any case, I think I have it decoding now but now I
have to figure out how to get audio from my Mac to the K3.

Am I right in thinking that the audio TO the K3 should go through USB as
well?

Any other tricks I should know about?

*The instructions say move the app ANYWHERE but the kvasd installer only
works if you put the application into /Applications and not in a "Ham
Radio" Folder. It's probably the space in the filename, now that I
think of it.


--
Hisashi T Fujinaka - ht...@twofifty.com
BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee
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Re: [Elecraft] KIO3B Audio Spec

[Dan AE9K]

After staring at Knut's KIO3B spectrum with an XG3 signal source, I am
wondering how much of that spectrum can be attributed to the KIO3B and how
much is due to the K3S RF chain and XG3 phase noise and harmonics.

I tried a different approach with my K3 and DigiKeyer keeping everything at
AF and avoiding the RF and XG3 related variables - I think.

I sent the K3 a 1 kHz test tone to LINE IN while the K3 was keyed in TX TEST
mode.  At the same time an instance of Spectrum Lab analyzed the return
audio (i.e. the monitor audio returned over LINE OUT).

The resulting spectrum lacks the significant harmonics Knut observed
although I show some AC spectra (fundamental + 3rd, 5th and 7th harmonics)
which might be attributable to my DigiKeyer sitting directly above the
KPA500's transformer.

 

Is analaysis of recovered transmit audio while in TX TEST a viable way to
eliminate the RF and XG3 related variables or have I missed something?  If
it is viable, I would be interested in the same being done with a KIO3B for
comparison purposes.

73,

Dan
AE9K 



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Re: [Elecraft] KIO3B Audio Spec

[Dan AE9K]

Sorry, I didn't word my reply correctly.  I didn't mean to suggest the KIO3B
was responsible for the spikes of spectra.  I realize those are the XG3
fundamental and harmonics. The XG3 phase noise just makes it impossible to
see the audio noise floor of the KIO3B.  My intention was just to advance
your "darned good" comment to something measurable for comparison purposes. 
But, for all I know my pursuit of measuring USB audio spectrum quality may
be moot if we're always RF noise-limited. 

Stepping back a bit, my original intent was to determine whether the KIO3B
was a suitable drop-in replacement for my DigiKeyer (to eliminate a box and
associated connections to the K3).  Part of that is audio-related the other
part is interfacing-related (KEY, PTT, etc.).  Someone pointed out off-forum
that there is no FSK interface with the KIO3B so that is one disparity with
the interfacing aspect.

As for the audio aspect, I'm sure Joe's right in that they're essentially
the same unless there was an implementation short-cut taken with the KIO3B -
which isn't likely.  That said, I am still curious if the proposed test
setup of passing audio in and analyzing the monitor audio is a valid means
of measuring the performance of the USB audio path - whether with the KIO3B
or other USB audio interface.  Can I, for example, conclude from my test
that my DigiKeyer/K3 path has a -110 dB noise floor?

73,

Dan
AE9K



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Re: [Elecraft] KIO3B Audio Spec

[ab2tc]

Hi,

There is little doubt that most of the noise/blips in that spectrogram is
not related to the KIO3B, but rather the K3 RF chain and possibly the KX3
phase noise. I was just trying to show that the audio produced by the USB
codec is darned good from an HF radio (and in  my case demonstrably better
than what I got from the line out on my old K3). I have never tried to see
what the port can do with the transmit audio.

AB2TC - Knut


Dan AE9K wrote
> After staring at Knut's KIO3B spectrum with an XG3 signal source, I am
> wondering how much of that spectrum can be attributed to the KIO3B and how
> much is due to the K3S RF chain and XG3 phase noise and harmonics.
> 
> I tried a different approach with my K3 and DigiKeyer keeping everything
> at AF and avoiding the RF and XG3 related variables - I think.
> 
> I sent the K3 a 1 kHz test tone to LINE IN while the K3 was keyed in TX
> TEST mode.  At the same time an instance of Spectrum Lab analyzed the
> return audio (i.e. the monitor audio returned over LINE OUT).
> 
> The resulting spectrum lacks the significant harmonics Knut observed
> although I show some AC spectra (fundamental + 3rd, 5th and 7th harmonics)
> which might be attributable to my DigiKeyer sitting directly above the
> KPA500's transformer.
 
> 
> Is analaysis of recovered transmit audio while in TX TEST a viable way to
> eliminate the RF and XG3 related variables or have I missed something?  If
> it is viable, I would be interested in the same being done with a KIO3B
> for comparison purposes.
> 
> 73,
> 
> Dan
> AE9K





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Re: [Elecraft] KIO3B Audio Spec

[Ray Sills]

I’m not so sure about that.  The various devices are only connected to one 
other object.  Think of this picture:

A is connect to B, and B is connected to C.  So, you want to bond A to B.. and 
don’t care about the connection to C, since it needs only be connected to B and 
not C.  And the same for B to C.   The “star” approach means that the 
connection from A goes to a common point, and then from the common point to B, 
creating two additional connection points, for a total of 4, whereas, the A to 
B connection is just 2 points.

The “star” is fine for safety, but does nothing to assist with the common mode 
between devices A and B or B and C.  And, we are talking about audio, not 
safety commons.

73 de Ray
K2ULR
KX3 #211



> On Dec 31, 2015, at 9:11 PM, Doug Person via Elecraft 
>  wrote:
> 
> I've always believed in the star approach and completely agree with the 
> series circuit issue.
> 
> 73, Doug -- K0DXV
> 

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Re: [Elecraft] KIO3B Audio Spec

[ab2tc]

Hi,

Here is the spectrum out of the USB codec with a -73dBm carrier from the
XG3:

http://ab2tc.com/new_k3s_usb.png

The K3S setting is USB with a passband of 300 to 2400Hz. I left the LINE OUT
level set to the factory setting (10), and set the recording level with the
Windows mixer (Win7).

AB2TC - Knut


Joe Subich, W4TV-4 wrote
>>  Without published specs for dynamic range, SNR, etc. we
>  > don't have a means of assessing this.
> 
> The CODEC used in the KIO3B is from the same family as used by most of
> the amateur USB sound card products (including microHAM USB Interface
> III).  Unless the designer cuts corners (like the designer of the
> Signalink USB) by eliminating critical power supply bypassing and
> regulators, performance of all devices using the same family of USB
> Audio CODECS will be very similar based on the limits of the 16 bit
> ADC, the noise figure of any audio preamplifiers used by the designer
> and the power supply noise rejection (does the design properly keep
> digital noise out of the power supply for the analog circuits?).
> 
> I have not tested the KIO3B but I certainly would not expect that Wayne
> cut any corners in the design.  Thus performance of the KIO3B and
> microHAM USB Interface III (noise floor, dynamic range, etc.) should
> be nearly identical - within unit to unit manufacturing tolerances.
> 
> 73,
> 
>... Joe, W4TV
> 





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Re: [Elecraft] KIO3B Audio Spec

[ab2tc]

Hi again,  

BTW, some people have been complaining about 60Hz hum in the audio. I zoomed
in one the low end:

http://ab2tc.com/k3s_usb_lows.png

There is absolutely no sign of 60, 120 or 180Hz in this spectrum. I have
also listened to the signal with good headphones and hear no trace of hum.

AB2TC - Knut


ab2tc wrote
> Hi,
> 
> Here is the spectrum out of the USB codec with a -73dBm carrier from the
> XG3:
> 
> http://ab2tc.com/new_k3s_usb.png
> 
> The K3S setting is USB with a passband of 300 to 2400Hz. I left the LINE
> OUT level set to the factory setting (10), and set the recording level
> with the Windows mixer (Win7).
> 
> AB2TC - Knut
> 





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Re: [Elecraft] KIO3B Audio Spec

[Bob McGraw - K4TAX]

In Knut's plot with the 1 kHz peak, the 2nd harmonic and 3rd harmonic 
are clearly visible.  In the one with the low end, I agree, no 60 Hz, 
120 Hz or 180 Hz is seen.   I measured my K3S with the radio connected 
to the computer via the USB port.  No 60 Hz, 120 Hz or 180 Hz signal 
observed.


I suspect if anyone is experiencing "hum" they best look for a ground 
loop which likely exists as there is a difference in potential between 
different pieces of equipment.


73
Bob, K4TAX

On 12/31/2015 1:15 PM, ab2tc wrote:

Hi again,

BTW, some people have been complaining about 60Hz hum in the audio. I zoomed
in one the low end:

http://ab2tc.com/k3s_usb_lows.png

There is absolutely no sign of 60, 120 or 180Hz in this spectrum. I have
also listened to the signal with good headphones and hear no trace of hum.

AB2TC - Knut


ab2tc wrote

>Hi,
>
>Here is the spectrum out of the USB codec with a -73dBm carrier from the
>XG3:
>
>http://ab2tc.com/new_k3s_usb.png
>
>The K3S setting is USB with a passband of 300 to 2400Hz. I left the LINE
>OUT level set to the factory setting (10), and set the recording level
>with the Windows mixer (Win7).
>
>AB2TC - Knut
>



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Re: [Elecraft] KIO3B Audio Spec

[Barry N1EU]

You'll get hum if your computer and K3 chassis aren't at the same
ground potential.  For many, it may be preferable to use the rear
panel Line Out, which is transformer isolated.

73, Barry N1EU

On Thu, Dec 31, 2015 at 2:15 PM, ab2tc  wrote:
> Hi again,
>
> BTW, some people have been complaining about 60Hz hum in the audio. I zoomed
> in one the low end:
>
> http://ab2tc.com/k3s_usb_lows.png
>
> There is absolutely no sign of 60, 120 or 180Hz in this spectrum. I have
> also listened to the signal with good headphones and hear no trace of hum.
>
> AB2TC - Knut
>
>
> ab2tc wrote
>> Hi,
>>
>> Here is the spectrum out of the USB codec with a -73dBm carrier from the
>> XG3:
>>
>> http://ab2tc.com/new_k3s_usb.png
>>
>> The K3S setting is USB with a passband of 300 to 2400Hz. I left the LINE
>> OUT level set to the factory setting (10), and set the recording level
>> with the Windows mixer (Win7).
>>
>> AB2TC - Knut
>> 
>
>
>
>
>
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Re: [Elecraft] KIO3B Audio Spec

[Don Wilhelm]

Bob and all,

Bonding to a common point may not cure hum and buzz.
Follow the advice of Jim Brown K9YC and bond from equipment to equipment 
- following the path of the shields on unbalanced audio cables and RF coax.
In other words, bond from the computer to the K3 (or from the computer 
to any interface box, and then the interface box to the K3).  The K3 to 
amplifier if present, then to the tuner if present.


The bonding wires will take the majority of the current that *might* 
otherwise flow on the shield of those cables and reduce the possibility 
of noise coupling into the signals.


Whether you also bond to a common point in the station is an entirely 
different matter.  That common point ground may do well for AC safety 
and possible a measure of lightning protection, it will do nothing for 
the coupling of hum and buzz onto the signal paths.


Jim often talks about the "pin 1 problem" which is part of the 
situation, but providing an extra low impedance path direct from 
equipment to equipment will do more to keep all pieces of your equipment 
at the same relative potential than any other means.


73,
Don W3FPR

On 12/31/2015 6:36 PM, Bob McGraw - K4TAX wrote:

Yes, this is correct.

I have all of my station equipment bonded to the common point on the 
station power supply.   And I do not use any "ground" to the outside 
world from my 2nd floor station.  Works just great, all bands 160M - 
23 cm, any power level to legal limit, any mode.


73
Bob, K4TAX

On 12/31/2015 5:10 PM, Jim Brown wrote:

On Thu,12/31/2015 11:29 AM, Barry N1EU wrote:
You'll get hum if your computer and K3 chassis aren't at the same 
ground potential.




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Re: [Elecraft] KIO3B Audio Spec

[Jim Brown]

On Thu,12/31/2015 6:11 PM, Doug Person via Elecraft wrote:
I've always believed in the star approach and completely agree with 
the series circuit issue.


Physics is not a matter of belief. I suggest that you study my tutorial.

73, Jim K9YC
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Re: [Elecraft] KIO3B Audio Spec

[ab2tc]

Hi Bob,

Yes, the harmonics are visible but down a comfortable more than 70dB below
the fundamental. There is still a little bit of junk around 3900Hz (it was
there on the analog line out, too). 

AB2TC - Knut

PS. Is a schematic forthcoming any time soon? This is the first radio I have
owned ever, with no schematics.



Bob McGraw - K4TAX wrote
> In Knut's plot with the 1 kHz peak, the 2nd harmonic and 3rd harmonic 
> are clearly visible.  In the one with the low end, I agree, no 60 Hz, 
> 120 Hz or 180 Hz is seen.   I measured my K3S with the radio connected 
> to the computer via the USB port.  No 60 Hz, 120 Hz or 180 Hz signal 
> observed.
> 
> I suspect if anyone is experiencing "hum" they best look for a ground 
> loop which likely exists as there is a difference in potential between 
> different pieces of equipment.
> 
> 73
> Bob, K4TAX
> 
> On 12/31/2015 1:15 PM, ab2tc wrote:
> 





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Re: [Elecraft] KIO3B Audio Spec

[Kevin Stover]

Or simply make sure the radio and computer cases are connected with an 
adequate bond.

Why would anybody choose not to?

On 12/31/2015 1:29 PM, Barry N1EU wrote:

You'll get hum if your computer and K3 chassis aren't at the same
ground potential.  For many, it may be preferable to use the rear
panel Line Out, which is transformer isolated.

73, Barry N1EU





--
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AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441


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Re: [Elecraft] KIO3B Audio Spec

[Bob McGraw - K4TAX]

Yes, this is correct.

I have all of my station equipment bonded to the common point on the 
station power supply.   And I do not use any "ground" to the outside 
world from my 2nd floor station.  Works just great, all bands 160M - 23 
cm, any power level to legal limit, any mode.


73
Bob, K4TAX

On 12/31/2015 5:10 PM, Jim Brown wrote:

On Thu,12/31/2015 11:29 AM, Barry N1EU wrote:
You'll get hum if your computer and K3 chassis aren't at the same 
ground potential.


Delete the word "ground." That has NOTHING to do with it.

For many, it may be preferable to use the rear panel Line Out, which 
is transformer isolated.


H! The ancient and accepted way to bring all of the chassis at the 
same potential is to BOND THEM TOGETHER!  This is EE101, simple Ohm's 
Law. You do NOT need transformer isolation if the equipment is 
properly bonded! http://k9yc.com/GroundingAndAudio.pdf Nothing but 
plain, ordinary copper wire.


73, Jim K9YC 



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Re: [Elecraft] KIO3B Audio Spec

[Bob McGraw - K4TAX]

Don et al:

Well Jim and I are at 100% opposite positions on this point.

Bonding from equipment to equipment is a series circuit in which the 
voltage divides across each value of R.  Thus none of the equipment will 
be at zero potential.


By using a bond conductor from each piece of equipment to a common 
point, this provides a star system which is endorsed by most audio and 
system design specialists.   It provides the lowest resistance as all 
conductive paths are parallel.


73
Bob, K4TAX

On 12/31/2015 6:32 PM, Don Wilhelm wrote:

Bonding to a common point may not cure hum and buzz.
Follow the advice of Jim Brown K9YC and bond from equipment to 
equipment - following the path of the shields on unbalanced audio 
cables and RF coax.



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Re: [Elecraft] KIO3B Audio Spec

[Don Wilhelm]

Zero potential is not necessarily the criteria that is to be achieved.

The important point is that adjacent pieces of equipment be at the 
*same* potential, whether that be at zero or 100 volts potential.
OK, that is an extreme example, but the point is that there should be a 
low resistance connection between devices sharing an unbalanced 
connection between the two, and that low resistance connection should be 
something other than the shield of the audio or RF unbalanced cables.
The easiest way to accomplish that condition is to bond the equipment 
from point to point by good heavy wire or braid.


Since we commonly use computers in our ham stations, that is one source 
of hum, buzz and other noise.  Bonding the computer straight to the 
transceiver will cure many ills.


We did not have those problem in older gear where the connectors were 
mounted to the enclosure of the equipment, but modern construction where 
the input and output jacks are mounted to the PC board causes stray hum, 
buzz and noise and RF currents to be coupled to the PC board rather than 
being routed to the outside of the equipment enclosure is one of the 
primary causes of the problem - that is the "pin 1 problem" that Jim 
Brown K9YC refers to.


73,
Don W3FPR

On 12/31/2015 7:44 PM, Bob McGraw - K4TAX wrote:

Don et al:

Well Jim and I are at 100% opposite positions on this point.

Bonding from equipment to equipment is a series circuit in which the 
voltage divides across each value of R.  Thus none of the equipment 
will be at zero potential.


By using a bond conductor from each piece of equipment to a common 
point, this provides a star system which is endorsed by most audio and 
system design specialists.   It provides the lowest resistance as all 
conductive paths are parallel.


73
Bob, K4TAX

On 12/31/2015 6:32 PM, Don Wilhelm wrote:

Bonding to a common point may not cure hum and buzz.
Follow the advice of Jim Brown K9YC and bond from equipment to 
equipment - following the path of the shields on unbalanced audio 
cables and RF coax.






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Re: [Elecraft] KIO3B Audio Spec

[Jim Brown]

On Thu,12/31/2015 11:29 AM, Barry N1EU wrote:

You'll get hum if your computer and K3 chassis aren't at the same ground 
potential.


Delete the word "ground." That has NOTHING to do with it.


For many, it may be preferable to use the rear panel Line Out, which is 
transformer isolated.


H! The ancient and accepted way to bring all of the chassis at the 
same potential is to BOND THEM TOGETHER!  This is EE101, simple Ohm's 
Law. You do NOT need transformer isolation if the equipment is properly 
bonded! http://k9yc.com/GroundingAndAudio.pdf  Nothing but plain, 
ordinary copper wire.


73, Jim K9YC
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Re: [Elecraft] KIO3B Audio Spec

[Doug Person via Elecraft]

I've always believed in the star approach and completely agree with the 
series circuit issue.


73, Doug -- K0DXV

On 12/31/2015 5:44 PM, Bob McGraw - K4TAX wrote:

Don et al:

Well Jim and I are at 100% opposite positions on this point.

Bonding from equipment to equipment is a series circuit in which the 
voltage divides across each value of R.  Thus none of the equipment 
will be at zero potential.


By using a bond conductor from each piece of equipment to a common 
point, this provides a star system which is endorsed by most audio and 
system design specialists.   It provides the lowest resistance as all 
conductive paths are parallel.


73
Bob, K4TAX

On 12/31/2015 6:32 PM, Don Wilhelm wrote:

Bonding to a common point may not cure hum and buzz.
Follow the advice of Jim Brown K9YC and bond from equipment to 
equipment - following the path of the shields on unbalanced audio 
cables and RF coax.



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Re: [Elecraft] KIO3B Audio Spec

[Dan AE9K]

For those of us that have external interfaces like microHam DigiKeyers the
possibility of eliminating a box and the hydra cable of connections to the
K3 is certainly motivation enough for the KIO3B upgrade.  

I am curious though how the audio performance of the KIO3B compares with
other interfaces that defined the high end (e.g. Creative EMU series,
microHam, etc.).  Without published specs for dynamic range, SNR, etc. we
don't have a means of assessing this.  While Lyle responded with the
bit-depth and typical sampling frequencies we could use a bit more info. 

If the specs are decent the price tag seems acceptable to me.

Dan
AE9K



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Re: [Elecraft] KIO3B Audio Spec

[Joe Subich, W4TV]

>  Without published specs for dynamic range, SNR, etc. we
> don't have a means of assessing this.

The CODEC used in the KIO3B is from the same family as used by most of
the amateur USB sound card products (including microHAM USB Interface
III).  Unless the designer cuts corners (like the designer of the
Signalink USB) by eliminating critical power supply bypassing and
regulators, performance of all devices using the same family of USB
Audio CODECS will be very similar based on the limits of the 16 bit
ADC, the noise figure of any audio preamplifiers used by the designer
and the power supply noise rejection (does the design properly keep
digital noise out of the power supply for the analog circuits?).

I have not tested the KIO3B but I certainly would not expect that Wayne
cut any corners in the design.  Thus performance of the KIO3B and
microHAM USB Interface III (noise floor, dynamic range, etc.) should
be nearly identical - within unit to unit manufacturing tolerances.

73,

  ... Joe, W4TV


On 12/30/2015 4:05 PM, Dan AE9K wrote:

For those of us that have external interfaces like microHam DigiKeyers the
possibility of eliminating a box and the hydra cable of connections to the
K3 is certainly motivation enough for the KIO3B upgrade.

I am curious though how the audio performance of the KIO3B compares with
other interfaces that defined the high end (e.g. Creative EMU series,
microHam, etc.).  Without published specs for dynamic range, SNR, etc. we
don't have a means of assessing this.  While Lyle responded with the
bit-depth and typical sampling frequencies we could use a bit more info.

If the specs are decent the price tag seems acceptable to me.

Dan
AE9K



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Re: [Elecraft] KIO3B

[Nr4c]

Same as Windows users. I don't think anything associated with the K3(S) is OS 
sensitive. 

Sent from my iPhone
...nr4c. bill


> On Dec 26, 2015, at 6:51 PM, Richard Thorpe  wrote:
> 
> For those of us using Mac computers what is the advantage, if any,  upgrading 
> our K3’s to the KIO3B cards? Thank you.
> 
> K6CG
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Re: [Elecraft] KIO3B Connectivity

[Joe Subich, W4TV]

> Also, will the new KIO3B allow for FSK keying with no additional
> hardware or cabling to the K3's ACC connector?

No.  The KIO3B does not support FSK - you still need a separate FSK
signal connected to the ACC connector.

> Has anyone experienced any USB connectivity issues that might justify
> keeping the microHam USB interface and existing KIO3A board?

The KIO3B hardware (hub, FTDI UART, and PCM9203E CODEC) are essentially
identical to the microHAM USB Interface III.  However, the KIO3B lacks
an FSK output, does not have software that allows mapping the RTS/DTR
lines to a separate virtual ports (e.g. MMTTY with CAT on one port and
FSK/PTT on another) and it does not support tone based FSK (pFSK) or
CW (qCW) like USB Interface III.

With the KIO3B one needs a separate source of FSK and PTT independent
of the UART in the KIO3B.

73,

   ... Joe, W4TV


On 12/25/2015 2:20 PM, Paul Christensen wrote:

Looking for feedback when using MMTY and either the K3s or K3 w/ the
KIO3B upgrade.  My plan is to simplify digital interface cabling by
replacing a MicroHam USB Interface III with the newly released KIO3B
boards for the K3.  My assumption is that the KIO3B's USB port will
handle both audio and PTT control when using AFSK.

Also, will the new KIO3B allow for FSK keying with no additional
hardware or cabling to the K3's ACC connector?

Has anyone experienced any USB connectivity issues that might justify
keeping the microHam USB interface and existing KIO3A board?

Merry Christmas to all!

Paul, W9AC

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