Hi all,
Just received a used KX3 today and found that VFO B is skipping. Lets say
the top number is rotation out of 9 and bottom number is actual sensed
position, it kinda does this>
123456789
121233323
And so on and so forth.
Is there a way to clean these out or replace them?
As a point of
VFO B tunes at the same rate as VFO A for a given mode. Assuming you're not
using cross-mode, then you can just change the rate for A, and the rate for B
will be the same.
Normal tuning rate is 10 Hz per step. Tapping RATE switches to 1-Hz tuning.
Holding KHZ switches to coarse tuning. All
Is there any way to change the tuning rate for VFO B? Using the dual watch
mode and trying to find where the dx is listening using VFO B is a little
difficult with such a slow tuning rate. I checked the manual and reflector
archives but cannot locate any information about changing the tuning
Very nice; thanks. I will probably get in line to order one. But a
question - what tricks can the A/B switch on the front do? In particular
- if I have one SP3, the K3 menu configuration set to spkr 1, a headset in
the front headset socket of the K3 listening to stereo using the sub RX on
Don,
I learn something new everyday.
Thanks,
Joel - W4JBB
On 9/10/14, 6:06 PM, Don Wilhelm wrote:
Joel,
Set VFO CRS in the menu to whatever step size you want for each mode -
it is a per mode setting.
I have mine set to 0.5 for SSB and 0.1 for CW. Make sure RIT and XIT
are turned off and
I cannot remember where I read it and I've since deleted the email, but
someone asked if VFO B on the KX3 could be tuned faster.
First, I have not found a way to tune it faster other than by making
sure VFO tunes in 10 Hz steps.
Second, using Fred Cady's KX3 book and the K3/KX3 programming
Joel,
Set VFO CRS in the menu to whatever step size you want for each mode -
it is a per mode setting.
I have mine set to 0.5 for SSB and 0.1 for CW. Make sure RIT and XIT
are turned off and the OFS LED is on.
73,
Don W3FPR
On 9/10/2014 6:43 PM, Joel Black wrote:
I cannot remember where I
3 days after I e mailed Elecraft it arrived. No charge. Fantastic
service. Know any JA company that does that?
Also why I'm all Elecraft. K3, KPA500 KAT500. Probably when something
new I want appears with the Elecraft name my order will be on it's way.
54 yr.s an active ham I can say this is
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
Eric Swartz - WA6HHQ, Elecraft
Sent: 21 August 2014 01:44
To: John Buck; elecraft@mailman.qth.net; Gary Surrency
Subject: Re: [Elecraft] Subject:, VFO B knob cracked
All of the knobs on the K3 and KX3 are under warranty for the life
Very interesting.
I have S/N 125 K3. I had gotten one of the heavier knobs for the main
tuning and replaced the B vfo knob with the original large knob.
The original small knob has been in the spare parts box for several
years. It now has the same crack as shown in the pictures. All the
All of the knobs on the K3 and KX3 are under warranty for the life of the radio
(assuming we are still here ;-)
Eric
elecraft.com
On 8/20/2014 3:42 PM, John Buck wrote:
Very interesting.
I have S/N 125 K3. I had gotten one of the heavier knobs for the main tuning
and replaced the B vfo
Hello Dick,
That could be done but I would have to manually turn the sub Rx on to
do this, if I am to hear both. Hearing is not mandatory but it is an
asset. And more, it is somewhat disconcerting to use P3 marker A to
affect the K3's VFO B receiver and, P3 marker B with the K3s VFO
A
No, not intuitive.
MKR B is the VFO B frequency. Often one wants to listen on the B frequency.
It may be on another band.
SPLIT is a special case, not the norm.
...bill nr4c
Sent from my Verizon Wireless 4G LTE DROID
Gary Smith g...@ka1j.com wrote:
Reading the P3 screen I see a station
Bill,
Understood that some only use it that way, that is not my norm
though. I chase DX and If I engage the magenta operation with the P3,
its to be transmitting on a DX's listening frequency and in all those
cases I will be split.
Since 1979 I've never listened on two bands simultaneously
just a thought
how about creating a macro that does what you want...?
On 3/19/2014 9:31 AM, Gary Smith wrote:
Bill,
Understood that some only use it that way, that is not my norm
though. I chase DX and If I engage the magenta operation with the P3,
its to be transmitting on a DX's
Another thought how about putting the magenta marker on the DX
transmit frequency, and roam up with the A green main knob? And leave
split off.
Peter W0LLN
On Wed, Mar 19, 2014 at 8:35 AM, Sam Morgan k5oai@gmail.com wrote:
just a thought
how about creating a macro that
Hi Peter,
There are several ways to do what for me are work-arounds but all
require doing several things to accomplish what to me should be a one
step operation, leave out a step I hear the cops yelling UP LID or
worse only to see the QSY did not engage transmit and I was
transmitting on the
Sam,
No, I've never made a macro, no idea how I'd approach that to
accomplish this. If it would work I'd be willing to try. What I was
expecting as an built-in option though would be beneficial for anyone
who operates as I do.
Gary
KA1J
just a thought
how about creating a macro that
This is what I've learned to do. The only problem is that once you enter
this mode, if you want to fool with selectivity, APF, shift, etc. to
hear the DX better, you must press BSET first.
On 3/19/2014 6:42 AM, Peter Wollan wrote:
Another thought how about putting the magenta marker on
What I was expecting as an built-in option though would be beneficial
for anyone who operates as I do.
That's not how it was designed to work. Enabling split anytime Marker B
was tapped would be disruptive to most users.
In the vast majority of cases setting/tapping Marker B says this is an
Hi Gary,
I understand your need and as others have indicated it's not really how most
folks use markers. My findings have been that the markers are not optimum
for split DX chasing.
When DX is operating split I immediately hold the SPLIT button and turn on
the SUB RX and then spin the VFO B
Gary,
If you are willing to push a different button than MKRB, you can modify your
DX split procedure by using the PF1 and PF2 buttons to execute a macro that
puts turns the sub-receiver on, copies VFO settings from A to B to make sure
they are on the same band and consistent, sets VFO B to be
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] P3 marker B transmit freq.
This is what I've learned to do. The only problem is that once you
enter
this mode, if you want to fool with selectivity, APF, shift, etc. to
hear the DX better, you must press BSET first.
On 3/19/2014 6:42 AM, Peter Wollan
.
If I'm going to the effort to engage Marker B to QSY its because I
want to transmit on the Marker B frequency. What do I have to the do
differently to force the K3 go split to transmit on the B freq when I
tap on MKR B?
__
Elecraft mailing
Hi Joe others who kindly replied,
What I expect and what I see as efficient may be an abnormal action
to another person but to me it is incredibly efficient and doing it
otherwise is making work and is to me an abnormal action.
What I want is engage split when I engage Magenta MKR 2, not to
How about the software engineers at Elecraft making that an option in
the next firmware update. You don't like it, don't use it. You do
like it, then you can use it. To me it makes all the sense in the
world.
I can think of a lot more important things for the software engineer
(N1AL) on the
I have my priorities, you have yours.
Out
Gary
KA1J
How about the software engineers at Elecraft making that an option in
the next firmware update. You don't like it, don't use it. You do
like it, then you can use it. To me it makes all the sense in the
world.
I can think of a
.
73 from Ian GM3SEK
-Original Message-
From: elecraft-boun...@mailman.qth.net [mailto:elecraft-
boun...@mailman.qth.net] On Behalf Of Vic Rosenthal K2VCO
Sent: 19 March 2014 14:26
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] P3 marker B transmit freq.
This is what I've learned
Gary Smith-2 wrote
How about the software engineers at Elecraft making that an option in
the next firmware update. You don't like it, don't use it. You do
like it, then you can use it. To me it makes all the sense in the
world.
Gary,
If you don't want the sub-receiver engaged, then take
differently to force the K3 go split to transmit on the B freq when I
tap on MKR B?
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Reading the P3 screen I see a station transmitting. I use Marker A
(Green) to pin me on that desired station as soon as I tap the knob
to QSY me to a desired signal.
I listen to the station and they say UP so I know to hold in the MKR
button to activate B ((Magenta) I see where the last
Hi all,
Switched on my K3 this morning and noticed that the VFO B display was showing
ERR KEY. Will look into the manual for possible reasons, but appreciate any
pointers.
Thanks,
Jay Krishna
KD6AMA
Jay,
ERR KEY indicates that the K3 thinks either the key, or paddle, or PTT
(don't forget about PTT over the RS-232 input) is closed when you power
on. Check your key and paddles, footswitches or mic PTT button, and if
necessary, remove the RS-232 cable.
There is also a PTT input on the ACC
Thanks Don! Yes, I found my paddle key was closed due to a touching book...:-).
-Jay
Date: Sun, 26 Jan 2014 14:34:44 -0500
From: w3...@embarqmail.com
To: j_kris...@msn.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3: VFO B Display SHowing ERR KEY
Jay,
ERR KEY indicates
You have a hey or paddles plugged in and making contact. Unplug everything and
try again. If all is OK, plug stuff in one at a time.
Could also be some software holding key thru a serial port. Check software
settings.
...bill nr4c
Sent from my Verizon Wireless 4G LTE DROID
Jay
On my K3, VFO B frequency is changing as I change VFO A on 14 and 18 MHZ
bands. The change is the same on both bands. I can change VFO B's
frequency without VFO A moving.
I am not in SPLIT or SUB.
Any ideas why?
John N4LJS
__
You probably have the VFOs LINKed. Use the SUB switch to unlink.
73,
matt W6NIA
On Sun, 29 Dec 2013 15:04:50 -0500, you wrote:
On my K3, VFO B frequency is changing as I change VFO A on 14 and 18 MHZ
bands. The change is the same on both bands. I can change VFO B's
frequency without VFO A
That was it? Must have held the SUB button in too long.
Thanks
John N4LJS
On Dec 29, 2013, at 15:08, Matt Zilmer mzil...@roadrunner.com wrote:
You probably have the VFOs LINKed. Use the SUB switch to unlink.
73,
matt W6NIA
On Sun, 29 Dec 2013 15:04:50 -0500, you wrote:
On my
Phil,
That is correct. The battery '+' and external supply '+' are connected
together. The voltage at the battery's negative terminal is measured
and subtracted from the voltage at the '+' side. So with no batteries
installed, 0V would be read at the batt '-' side. And when no external
Hey Rich!
got a schematic snippet to include?
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rich Heineck
Sent: Tuesday, July 16, 2013 8:09 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KX3 VFO B Alternate
Jeff,
The complete KX3 schematic set, including the KXBC3, is on the Elecraft
web site.
73,
Lyle KK7P
Hey Rich!
got a schematic snippet to include?
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On the KX3 VFO B Alternate Display you read Time, Power Supply Voltage, Battery
Voltage, and so forth.
So, my question is regarding the BT (Battery Voltage) display. I assume that
this reads the same as the external power supply voltage level (PS) if there
are NO batteries in the battery
I asked this question some time back on the forum but I cant find the thread in
my search.
I am missing something I need to do.
When I am working split I want the B rcvr to be set up the same as my A rcvr.
(I have identical filters in each)
I press A/B button so they are the same then tune up
Sent: Sunday, April 07, 2013 8:21 PM
To: Elecraft Reflector
Subject: [Elecraft] Setting up B rcvr for split
I asked this question some time back on the forum but I cant find the thread
in my search.
I am missing something I need to do.
When I am working split I want the B rcvr to be set up the same
On Sun, Apr 7, 2013 at 9:20 PM, Bob K6UJ k...@pacbell.net wrote:
I want the B rcvr to be set up the same as my A rcvr.
===
Bob, if you go AB twice, it will copy everything: bandwidth, NB/NR, etc,
from A to B. The display will say AB All to confirm this.
Tony KT0NY
settings for the B VFO
...
Don, N5LZ
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bob K6UJ
Sent: Sunday, April 07, 2013 8:21 PM
To: Elecraft Reflector
Subject: [Elecraft] Setting up B rcvr for split
I asked
Tony,
Ah, double push AB.
I'll try it.
thanks,
Bob
K6UJ
On Apr 7, 2013, at 7:44 PM, Tony Estep wrote:
On Sun, Apr 7, 2013 at 9:20 PM, Bob K6UJ k...@pacbell.net wrote:
I want the B rcvr to be set up the same as my A rcvr.
===
Bob, if you go AB twice, it will
Has anyone tried the tuning knob for a KX3 as the VFO B knob on a K3?
Looks like it's a little larger and has the dimple which would be nice.
Rick
K6LE
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It's quite a bit larger and might interfere with other controls.
73,
Wayne
N6KR
On Mar 7, 2013, at 3:54 PM, Rick Prather wrote:
Has anyone tried the tuning knob for a KX3 as the VFO B knob on a K3?
Looks like it's a little larger and has the dimple which would be
nice.
Rick
K6LE
Tried it - it doesn't really interfere with any other controls, but
hangs off the bottom of the front panel by a couple of mm, and so
looks a bit odd. It feels quite good, though.
I noticed, before I even started to remove it, that my VFO B knob has cracked :(
73,
~iain / N6ML
On Thu,
Thanks Wayne and Iain,
I was about ready to order a VFO A knob which I think is acceptable on VFO B
but figured the KX3 one would be better.
I also had a cracked VFO B knob. Looked like the insert was too tight and
stressed the knob. That was quickly replaced by Elecraft a couple of years
Carl,
You are right.
You can do it yourself though if you have a subrx.
http://groups.yahoo.com/group/Elecraft_K3/files/KRX3_IF_Out/
Works just fine.
At one time, I fooled around with duplicating the K3 JFET output
circuitry present in the main RX. The use of the Clifton Labs
One solution might be a RS232 A/B if you need the K3 utility switch it
to A when you want the NaP3 or what ever else switch it to B.
http://www.amazon.com/DB9-Female-Way-Switch-Box/dp/B002J0OTTC/ref=sr_1_2?ie=UTF8qid=1344373302sr=8-2keywords=serial+switch+box
Regards
Art
ka9zap
Last night I was listening to the K2 upstairs with a end fed ParZ ant. hung
out the 2nd story into a nearby tree. I decided to do a A/B test with the
Yaesu FT-450D. The K2 had a much lower noise floor and sounded better on
SSB. The S meters were about the same with the K2 being about 1/2 unit
Don,
I don't think your A/B test tells you much of anything.
What were you expecting, that the K2 was more sensitive?
What do you mean when you say but the noise was higher on the FT-450D.
We see these kinds of reports all the time from hams (that a particular
receiver is quieter than another).
Good point. I guess I am looking for assurance that my K2 receiver is
preforming about how it should with my limited kit experience.
I figure if it hears as well or better than the FT-450D,then I have it
aligned pretty well.
Thanks
Don
--
View this message in context:
I figure if it hears as well or better than the FT-450D,then I have it
aligned pretty well.
I think most K2 owners would agree that the performance of the K2 is defined
more by what it DOESN'T hear than what it does! (IMD, crud, splatter, crossmod).
Rick K2XT
Hi,
I can´t find the schematic for KPA3 REV B in the download area.
Anyone has the schematic for me pse ?
73 de Win DK9IP
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Help:
I would be interested in this too, Win. The schematics file of
11-Oct-2007 has Rev XK and the files of 13-Jan-2010, 17-Jun-2010 and
30-Oct-2010 all have the schematics of KPA3 Rev C, but Rev B is missing.
I wonder whether Rev B is the same as Rev XK ?
73 de David G4DMP
In a recent message,
I have started to notice a slight clicking noise as I rotate VFO B knob. It
is strictly mechanical, being the same with power off or on. It is not a
felt rubbing sound, but a distinct click , on the order of 8 clicks per
revolution. It seems to vary somewhat so it is not precisely one click per
Chuck,
I do not recall hearing anything about such a problem. I would suggest
you take the knob off and see if the condition still exists. See if
there is any felt strands from the washer stuck in the encoder shaft.
If the felt washer has hairs cut them off with scissors.
73,
Don W3FPR
On
Hi Don,
I really should have removed the knob before posting, but just had the mind
set that the noise was on the other side of the panel (no excuse for
deciding that of course).
As soon as I took the knob off, the nut fell on the floor! I rarely rotate
VFO B but had not noticed it feeling
If you have one of those smallish 3 to 4 inch open end wrenches that
fit the nut exactly, torquing it by putting pressure on other end of
wrench with pinky finger only, can tighten it permanently with no
danger to any component.
Long term operation of VFO B without that nut tightened properly is
I used a small wrench and would guess I applied a reasonable amount of
torque. Of course there is the question of why it came loose in the first
place.
Thanks,
Chuck, W5UXH
Guy, K2AV wrote:
If you have one of those smallish 3 to 4 inch open end wrenches that
fit the nut exactly, torquing
May not have been properly seated when you tightened it, and when it
did seat, then the nut was loose.
On Wed, Jul 27, 2011 at 5:01 PM, W5UXH chuck.broadw...@gmail.com wrote:
I used a small wrench and would guess I applied a reasonable amount of
torque. Of course there is the question of why
When in Fixed Tune Mode, hold B-Set to set Sub Rx filter width and the
green VFO A display jumps onto the VFO B purple display. You can adjust
the VFO B width but the purple band is obscured by the green band until
VFO B is wider than VFO A.
This doesn't occur in Tracking mode.
Other than that, I
Is it normal that the hole for VFO B didn't have the paint masked on the
back of the front panel (like it is for vfo A) ?
--
Pierfrancesco Caci, ik5pvx
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Hi Alan,
I see that there have been some wishes expressed on the List about marking
the frequency of VFO B on the P3.
FWIW the scheme that I used with my old homebrewed panadapter (now retired)
was to mark the frequency of VFO B by a vertical line, which ran from the
top to the bottom of its
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Please help support this email list:
I may be already missing something with all the new features and
fixes in P3 firmware, and others may feel this suggestion is
downright silly, but:
Is there a way (or can there be in the future) to show on screen the
Marker B difference in frequency from VFO A or Marker A, both
positive or
___
--- On Sun, 2/27/11, Gene Sochor gsoc...@interaccess.com wrote:
From: Gene Sochor gsoc...@interaccess.com
Subject: [Elecraft] P3 A/B difference mode?
To: elecraft@mailman.qth.net
Date: Sunday, February 27, 2011, 5:53 PM
I may
All
Not really been keeping up on the reflector, just acquired a P3 but cannot find
any way of tracking VFO B
For my use this is paramount, I assumed this could be done with the P3, am I
wrong?
If I'm wrong could this be put in the next firmware update please?
Everything else on the
weekend is BARTG RTTY and I'd love to use it this way ???
Jim
From: makid...@hotmail.co.uk
To: elecraft@mailman.qth.net
Date: Mon, 17 Jan 2011 10:26:32 +
Subject: [Elecraft] P3 VFO B Tracking
All
Not really been keeping up on the reflector, just acquired a P3 but cannot
find
they can add this feature
in future release.
Jim
Date: Mon, 17 Jan 2011 14:02:21 +
From: als...@nc.rr.com
To: makid...@hotmail.co.uk
Subject: Re: [Elecraft] P3 VFO B Tracking
Jim,
Maybe the P3 is the wrong tool (for now). I use ROCKY (free)/SDR on the
subrx as a pan adapter
All
Not really been keeping up on the reflector, just acquired a P3 but cannot find
any way of tracking VFO B
For my use this is paramount, I assumed this could be done with the P3, am I
wrong?
If I'm wrong could this be put in the next firmware update please?
Everything else on the P3 is as
Jim,
I am not sure what you mean by track.
The P3 will show the VFO B frequency with the magenta cursor. See
Using Cursors in the P3 manual.
If you mean -- display the output of the subRX, that is not possible
without a mod to the SubRX - there is no IF output from the sub.
73,
Don W3FPR
James Balls wrote:
Not really been keeping up on the reflector, just acquired a P3 but cannot
find any way of tracking VFO B
IF OUT uses VFO A so a hardware mod must be added for VFO B in the KRX3 to
have an IF OUT. N2QT has described a mod to do this below:
I have got to read the manual again. I did not know you could do this.
Nice!
Lee K0WA
Your VFOs may be linked. Try holding the SUB button (to the right of the
VFO A knob and down) until the VFO B display area shows unlined.
73 de Dick, K6KR
Load the PDF of the manual in your Acrobat reader, enter link in the
search window then click on the right arrow multiple times to find all the
places discussing the linking of the VFO's.
Ron AC7AC
-Original Message-
I have got to read the manual again. I did not know you could do
I just noticed when I turn VFO A knob, VFO B tracks along. I can't think of why
that would be. I don't remember if it used to do that or not and looking at the
manual did not yield an answer. There again I have wasted a couple of hours
tweaking this thing and did not get it fixed.
I don't think
: Friday, December 10, 2010 8:19 PM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] VFO A B tracking?
I just noticed when I turn VFO A knob, VFO B tracks along. I can't think of
why that would be. I don't remember if it used to do that or not and looking
at the manual did not yield an answer
@mailman.qth.net
Subject: Re: [Elecraft] VFO A B tracking?
Your VFOs may be linked. Try holding the SUB button (to the right of the
VFO A knob and down) until the VFO B display area shows unlined.
73 de Dick, K6KR
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun
That is quite normal if you have the VFOs linked.
A HOLD of the SUB button will LINK/UNLINK the VFOs.
See pages 6, 14, 22, and 37 of the manual.
73,
Don W3FPR
On 12/10/2010 11:19 PM, Hardy Landskov wrote:
I just noticed when I turn VFO A knob, VFO B tracks along. I can't think of
why
I'm seeing an intermittent problem with the A/B button on my K3. When I
have VFO A and B set for different modes and frequencies, pressing the A/B
button sometimes copies the frequency from VFO B to A after exchanging
them, rather than exchanging them only (the mode is not copied). The
problem
I found that the problem was caused by PowerSDR software running for my
LP-PAN panadapter.
Steve N9SZ
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Post:
Good Morning List,
Just noticed, while tuning VFO A down through 4.800.0 MHz, I can hear a relay
switching.
I believe this is band pass filter switching on the KBPF3 board.
All well and good, except that VFO B jumps to 3.526.76 MHz at the switching
point, regardless of any previous setting.
I see similar strange things when tuning VFO A around 4.800. When VFO A
is below 4.800 B is at 4799.96 - when A goes above 4.800 B goes to 5.285
MHz. This is on SN 1114 - 3.25
Glad I don't normally listen there.
Paul W2LE
Robert Beard wrote:
Good Morning List,
Just noticed, while tuning
W2LE wrote:
My K3 does the same thing tuning VFO A or B at 4800, probably you can't
have separate bandpass filters on the VFOs so the other frequency has to
change.
Bob
KB1FRW
I see similar strange things when tuning VFO A around 4.800. When VFO A
is below 4.800 B is at 4799.96 - when A
I think this effect is simply due to changing from one band memory to
another at these cross-over points...
Van W1WCG
Bob W Allen wrote:
Just thought to check other frequencies. This does this several places
as you tune the radio through the frequencies.
Bob
KB1FRW
Bob W Allen wrote:
Just thought to check other frequencies. This does this several places
as you tune the radio through the frequencies.
Bob
KB1FRW
Bob W Allen wrote:
W2LE wrote:
My K3 does the same thing tuning VFO A or B at 4800, probably you can't
have separate bandpass filters on the VFOs so the other
That makes sense, my second rcvr doesn't have a BPF3 - only the main
rcvr has it.
Bob W Allen wrote:
W2LE wrote:
My K3 does the same thing tuning VFO A or B at 4800, probably you can't
have separate bandpass filters on the VFOs so the other frequency has to
change.
Bob
KB1FRW
I
Paul,
The VFOs are staying on the same band.
If you want different behavior, set VFO IND on in the menu.
73,
Don W3FPR
W2LE wrote:
I see similar strange things when tuning VFO A around 4.800. When VFO A
is below 4.800 B is at 4799.96 - when A goes above 4.800 B goes to 5.285
MHz. This is
Thank you to W8ZN, K1EP, VE3KI, and K3WC ( phone call ) for your help. My
K-3 is now set up for 20 6 just the way I wanted it to be. Fortunately
Elecraft has many great customers who unselfishly give some of their time to
help others. Everyone have a great day, and thanks again!! John ,K8DHA
My new, May 09, sn3012, K-3 works just fine. The following is how I would
like to set up vfo A B, and so far I have been unable to do it my way.
Either it is not possible, or I am just missing something in the manual
which at age 70 is more than likely the problem.
1. Set up a 20 meter
Hey Gang,
I read online yesterday that it may be that the K2 control PCB Rev-B
might have incorporated the side-tone audio filter somewhere in advance
of the LM380N chip, to produce a waveform closer to sine-wave.
Does anyone know if this is true?
Is there anyway of getting to look at a
I emailed you scans of the board direct.
--
Mike
WE0H
K2 #6698
dw wrote:
Hey Gang,
I read online yesterday that it may be that the K2 control PCB Rev-B
might have incorporated the side-tone audio filter somewhere in advance
of the LM380N chip, to produce a waveform closer to sine-wave.
Ok,
I do see an 82mH shunt choke on the input of the 380N.
Thanks Don :)
On Mon, 29 Jun 2009 14:02 -0400, Don Wilhelm w3...@embarqmail.com
wrote:
Duane,
Those older mods have often been incorporated into the K2 design. You
will find a version of this mod already on your K2 - it was
Hi Everyone,
I am about to perform some overdue mods on my K3 #371.
I notice that this mod (Rev B FP Modification for curing Hang VOX
problems) is required for K3 #'s 660 to 782 but not on those before or
after this range.
As I will have the FP off and the DSP board removed should I do it
I guess I'm confused as to why it does not apply to earlier K3's
The earlier K3s had a capacitor hand-soldered to the FP board. Later,
the capacitor was added to the FP PCB layout, but an error in that
layout required the jumper to correct.
73,
Lyle KK7P
I have got my K3 set up so that the number keys act as band keys. Each
number key is assigned to a band and is activated by pressing the MV key
and then the appropriate number key.
The memory set up included memorising the VFO B frequency the same as VFO A
or sometimes a different frequency
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