Re: [Elecraft] CM500 headset on K3S and KX3?

[Don Wilhelm]

Frank,

Although the K3S rear jack is marked mono, it is actually a stereo jack, 
but the ring connects to nothing - so no harm.


On the KX3, look in the manual for the MIC jack connections. It should 
tell you why you need to be aware of the situation that the CM500 plug 
can present.


Walt Underwood K6WRU has presented a link to an adapter that will allow 
you to plug the CM500 mic plug into a jack leaving the other jack 
available for us as PTT. Use of that adapter does not require you to set 
MIC BTN to off.


Be careful, not just any adapter will do - some are simple splitters 
that put both the tip and ring on both jacks.


73,
Don W3FPR

On 5/5/2020 10:43 PM, Frank O'Donnell wrote:
Thanks for the clear instructions from Don, and the helpful 
suggestions from everyone else. Piecing it all together, will this 
basically work?:


-- On the K3S, plug the CM500's mike and phone plugs into the 
respective jacks on the rig's rear panel. Wire a momentary-contact 
switch to an RCA plug inserted into the rig's PTT IN jack to serve as 
a manual PTT switch.


-- On the KX3, plug the headset's mike and phone plugs into the 
respective jacks, and use a momentary-contact switch on a mono-style 
1/8" plug in the ACC2 jack as a manual PTT switch.


The only thing I'm concerned about is the issue of mono vs stereo 
plugs. For example, the CM500's mike plug has stereo-style contacts, 
whereas the mic in jack on the K3S is marked "mono." There aren't any 
issues there?


On other points, if I were going all-in on becoming a regular phone 
operator I might look at other headsets such as the Heils. But what 
I'm looking at is being a bit player on a couple of nets very 
occasionally at most, so the CM500 seemed like a decent option.


Re VOX vs PTT, I can understand the convenience of the former, but 
being an occasional throat-clearer I wouldn't want to become a 
distractions on those nets.


Thanks again,

Frank


On 5/5/20 4:49 PM, Don Wilhelm wrote:

Frank,

For the K3S, just plug the microphone and headphone plugs into the 
rear panel jacks.  Set the MIC SEL to RP and turn bias on.


For the KX3. the easy way is to just turn MIC BTN off and plug it in. 
That microphone needs bias, and it will be supplied by the digital DC 
that normally is used for the MIC Button functions.


The harder way for the KX3 is to make an adapter (but it is not that 
hard)
Be aware that, like most computer microphones, the tip and the ring 
of the plug are wired together - so if you make an adapter, you must 
use a stereo jack so the audio is not shorted to ground.


If you make an adapter, you can include a connection for a PTT 
switch, but without that, you can put the KX3 into transmit with the 
XMIT button.


73,
Don W3FPR

On 5/5/2020 7:31 PM, Frank O'Donnell wrote:
Phone newbie here. Any recommendations on off-the-shelf cables or 
adapters, and a handheld switch, to enable use of a Yamaha CM500 
headset along with PTT functionality on both a K3S and KX3?


Thanks much,

Frank K6FOD


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Re: [Elecraft] CM500 headset on K3S and KX3?

[Jack Brindle via Elecraft]

Frank;

The rear-panel mic input on the K3 and K3S is actually a stereo jack. The ring 
connector is not connected. Plug the CM-500’s mic plug in (as I do), and it 
will work just fine!
Remember to enable bias on the rear panel Mic as W3FPR noted.

The CM-500 is an excellent headset for use with the K3. You should get many 
years of excellent service form it.

73!
Jack, W6FB


> On May 5, 2020, at 7:43 PM, Frank O'Donnell  wrote:
> 
> Thanks for the clear instructions from Don, and the helpful suggestions from 
> everyone else. Piecing it all together, will this basically work?:
> 
> -- On the K3S, plug the CM500's mike and phone plugs into the respective 
> jacks on the rig's rear panel. Wire a momentary-contact switch to an RCA plug 
> inserted into the rig's PTT IN jack to serve as a manual PTT switch.
> 
> -- On the KX3, plug the headset's mike and phone plugs into the respective 
> jacks, and use a momentary-contact switch on a mono-style 1/8" plug in the 
> ACC2 jack as a manual PTT switch.
> 
> The only thing I'm concerned about is the issue of mono vs stereo plugs. For 
> example, the CM500's mike plug has stereo-style contacts, whereas the mic in 
> jack on the K3S is marked "mono." There aren't any issues there?
> 
> On other points, if I were going all-in on becoming a regular phone operator 
> I might look at other headsets such as the Heils. But what I'm looking at is 
> being a bit player on a couple of nets very occasionally at most, so the 
> CM500 seemed like a decent option.
> 
> Re VOX vs PTT, I can understand the convenience of the former, but being an 
> occasional throat-clearer I wouldn't want to become a distractions on those 
> nets.
> 
> Thanks again,
> 
> Frank
> 
> 
> On 5/5/20 4:49 PM, Don Wilhelm wrote:
>> Frank,
>> 
>> For the K3S, just plug the microphone and headphone plugs into the rear 
>> panel jacks.  Set the MIC SEL to RP and turn bias on.
>> 
>> For the KX3. the easy way is to just turn MIC BTN off and plug it in. That 
>> microphone needs bias, and it will be supplied by the digital DC that 
>> normally is used for the MIC Button functions.
>> 
>> The harder way for the KX3 is to make an adapter (but it is not that hard)
>> Be aware that, like most computer microphones, the tip and the ring of the 
>> plug are wired together - so if you make an adapter, you must use a stereo 
>> jack so the audio is not shorted to ground.
>> 
>> If you make an adapter, you can include a connection for a PTT switch, but 
>> without that, you can put the KX3 into transmit with the XMIT button.
>> 
>> 73,
>> Don W3FPR
>> 
>> On 5/5/2020 7:31 PM, Frank O'Donnell wrote:
>>> Phone newbie here. Any recommendations on off-the-shelf cables or adapters, 
>>> and a handheld switch, to enable use of a Yamaha CM500 headset along with 
>>> PTT functionality on both a K3S and KX3?
>>> 
>>> Thanks much,
>>> 
>>> Frank K6FOD
> 
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Re: [Elecraft] KX3 digital ops, MacOS

[Bill Frantz]

I use RUMlogNG (free from the app store) for general and contest 
logging. It will also use CAT commands to transmit and receive 
in it's contest mode.


For general digital use, fldigi and wsjt-x are probably the best 
at the moment. There used to be cocoaModem, which was generally 
better than fldigi, but it does not run on the latest MacOS 
release (32 bit vs. 64 bit issues). All of these are free downloads.


Others like MacLoggerDX for general logging, which I haven't 
used and SkookumLogger for a contest logger. MacLoggerDX is $95, 
SkookumLogger is free.


73 Bill AE6JV

On 5/5/20 at 6:24 AM, dandr...@me.com (David Andrews) wrote:

Bill, thanks for your recent discussion on digital ops.  I wish 
to start exploring this mode, and am also a MacOS user.  Please 
provide your recommendations on options for MacOS software for 
various digital modes.  I have no MacOS Elmers available locally.

Dave
KA1DA
(formerly KB1YHM)



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(408)348-7900  | as a design you haven't | 150 Rivermead 
Rd #235
www.pwpconsult.com | written down. - Dean Tribble| Peterborough, 
NH 03458


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Re: [Elecraft] CM500 headset on K3S and KX3?

[Jim Brown]

On 5/5/2020 7:43 PM, Frank O'Donnell wrote:
On other points, if I were going all-in on becoming a regular phone 
operator I might look at other headsets such as the Heils. But what I'm 
looking at is being a bit player on a couple of nets very occasionally 
at most, so the CM500 seemed like a decent option.


Heil products are an example of better sound through marketing. They're 
more expensive because they spend a lot of money on advertising to 
convince hams they're worth it. They also claim to make pro mics. I've 
been a member of the AES Standards Committee WG on microphones for more 
than 25 years, in which virtually all major microphone companies are 
represented. No one from the company is listed as a member, and I've 
never met Bob Heil or anyone from his company. Hams seem to think that 
because he did sound for a major rock band that his mics were good.


73, Jim K9YC
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Grant Youngman]

Checked the manual.  It’s on the TIP connection of ACC2.  Set ACC2 IO in the 
menu to LO=PTT.

Grant NQ5T

> On May 5, 2020, at 11:06 PM, Grant Youngman  wrote:
> 
> The ACC2 connector is a 2.5mm TRS connector, not 1/8” (3.5mm).   PTT is 
> either on the tip or ring, I don’t recall which off hand — check the manual.
> 
> Grant NQ5T
> 
>> 
>> -- On the KX3, plug the headset's mike and phone plugs into the respective 
>> jacks, and use a momentary-contact switch on a mono-style 1/8" plug in the 
>> ACC2 jack as a manual PTT switch.
>> 

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Re: [Elecraft] CM500 headset on K3S and KX3?

[Nr4c]

 I adapters needed. 

CM500 plugs right into the rear Mic and Phone jack on K3(s). 

Also the KX3, just turn OFF Bias and Buttons. 

PTT is available on rear PTT RCA jack on K3(s) and Tip and Shield on KX3 
Accessary jack ( a 3/32 TRS Jack next to the I/Q  Jack).   Use switch of your 
choice;  an old J38 works real well here.  Use the “shoring bar” for long 
conversations. 

Sent from my iPhone
...nr4c. bill


> On May 5, 2020, at 7:33 PM, Frank O'Donnell  wrote:
> 
> Phone newbie here. Any recommendations on off-the-shelf cables or adapters, 
> and a handheld switch, to enable use of a Yamaha CM500 headset along with PTT 
> functionality on both a K3S and KX3?
> 
> Thanks much,
> 
> Frank K6FOD
> 
> 
> 
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Grant Youngman]

The ACC2 connector is a 2.5mm TRS connector, not 1/8” (3.5mm).   PTT is either 
on the tip or ring, I don’t recall which off hand — check the manual.

Grant NQ5T

> 
> -- On the KX3, plug the headset's mike and phone plugs into the respective 
> jacks, and use a momentary-contact switch on a mono-style 1/8" plug in the 
> ACC2 jack as a manual PTT switch.
> 
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Re: [Elecraft] Upper limits of KPA500?

[Nr4c]

Why not let the computer in the amp do its job?  And besides, the fans run 
after the amp is turned OFF. This discharges the caps and starts the orderly 
“cool down” cycle. 

You may be a brilliant engineer, but no need to re-engineer a system that works 
pretty well. 

Sent from my iPhone
...nr4c. bill


> On May 5, 2020, at 5:35 PM, Eric Norris  wrote:
> 
> This has been very educational.  I have, unfortunately, faulted both my
> veteran KPA500 and KPA1500 more times than I can count.  I've been so
> paranoid about keeping them otherwise healthy, that I manually manipulate
> the fan speed using the utilities--increasing the KPA500 fan speed when it
> gets into the 60Cs, and the KPA1500 when it gets into the 70Cs.
> 
> The downside is I sometimes forget to reduce the fans when the chase is
> over, and the amps quickly cool to room temperature, only to heat up again
> when the next chase is underfoot.  Is this rapid cooling and heating even
> worse for the life of the devices, and then again what about turning off
> the amps when going QRT?  Should they be cooled to room temp first, or just
> until the fans stop running in NOR mode?
> 
> The question isn't is one paranoid, but is one paranoid enough?
> 
> 73 Eric WD6DBM
> 
>> On Mon, May 4, 2020, 9:12 AM Jack Brindle via Elecraft <
>> elecraft@mailman.qth.net> wrote:
>> 
>> From the KPA500 manual, Rev E1, page 41 Specifications:
>> Duty Cycle at 500 Watts  10 minutes key down / 5 minutes standby
>> 
>> Sometimes it is very worth while to read the manual. It gives me something
>> to do when being stuck at home for so long gets me down.
>> 
>> 73!
>> Jack, W6FB
>> 
>> 
>> 
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Frank O'Donnell]

Thanks for the clear instructions from Don, and the helpful suggestions 
from everyone else. Piecing it all together, will this basically work?:


-- On the K3S, plug the CM500's mike and phone plugs into the respective 
jacks on the rig's rear panel. Wire a momentary-contact switch to an RCA 
plug inserted into the rig's PTT IN jack to serve as a manual PTT switch.


-- On the KX3, plug the headset's mike and phone plugs into the 
respective jacks, and use a momentary-contact switch on a mono-style 
1/8" plug in the ACC2 jack as a manual PTT switch.


The only thing I'm concerned about is the issue of mono vs stereo plugs. 
For example, the CM500's mike plug has stereo-style contacts, whereas 
the mic in jack on the K3S is marked "mono." There aren't any issues there?


On other points, if I were going all-in on becoming a regular phone 
operator I might look at other headsets such as the Heils. But what I'm 
looking at is being a bit player on a couple of nets very occasionally 
at most, so the CM500 seemed like a decent option.


Re VOX vs PTT, I can understand the convenience of the former, but being 
an occasional throat-clearer I wouldn't want to become a distractions on 
those nets.


Thanks again,

Frank


On 5/5/20 4:49 PM, Don Wilhelm wrote:

Frank,

For the K3S, just plug the microphone and headphone plugs into the 
rear panel jacks.  Set the MIC SEL to RP and turn bias on.


For the KX3. the easy way is to just turn MIC BTN off and plug it in. 
That microphone needs bias, and it will be supplied by the digital DC 
that normally is used for the MIC Button functions.


The harder way for the KX3 is to make an adapter (but it is not that 
hard)
Be aware that, like most computer microphones, the tip and the ring of 
the plug are wired together - so if you make an adapter, you must use 
a stereo jack so the audio is not shorted to ground.


If you make an adapter, you can include a connection for a PTT switch, 
but without that, you can put the KX3 into transmit with the XMIT button.


73,
Don W3FPR

On 5/5/2020 7:31 PM, Frank O'Donnell wrote:
Phone newbie here. Any recommendations on off-the-shelf cables or 
adapters, and a handheld switch, to enable use of a Yamaha CM500 
headset along with PTT functionality on both a K3S and KX3?


Thanks much,

Frank K6FOD


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Re: [Elecraft] Upper limits of KPA500?

[Frank Scolaro]

Actually that would be good to know...  I let the 
fans take the temp down to room temp before 
shutting the 1500 off... Frank (W2YK)


At 07:35 PM 5/5/2020, Dave Cole wrote:
Remember...  Just because you think they are out 
to get you, does not mean they are not out to 
get you... 73, and thanks, Dave (NK7Z) 
https://www.nk7z.net ARRL Volunteer Examiner 
ARRL Technical Specialist ARRL Asst. Director, 
NW Division, Technical Resources On 5/5/20 2:33 
PM, Eric Norris wrote: > This has been very 
educational.  I have, unfortunately, faulted 
both my > veteran KPA500 and KPA1500 more times 
than I can count.  I've been so > paranoid 
about keeping them otherwise healthy, that I 
manually > manipulate the fan speed using the 
utilities--increasing the KPA500 fan > speed 
when it gets into the 60Cs, and the KPA1500 when 
it gets into the > 70Cs. > > The downside is I 
sometimes forget to reduce the fans when the 
chase is > over, and the amps quickly cool to 
room temperature, only to heat up > again when 
the next chase is underfoot.  Is this rapid 
cooling and > heating even worse for the life of 
the devices, and then again what > about turning 
off the amps when going QRT?  Should they be 
cooled to > room temp first, or just until the 
fans stop running in NOR mode? > > The question 
isn't is one paranoid, but is one paranoid 
enough? > > 73 Eric WD6DBM > > On Mon, May 4, 
2020, 9:12 AM Jack Brindle via Elecraft > 
> 
wrote: > >  From the KPA500 manual, Rev E1, 
page 41 Specifications: > Duty Cycle at 500 
Watts  10 minutes key down / 5 minutes 
standby > > Sometimes it is very worth while 
to read the manual. It gives me > something 
to do when being stuck at home for so long gets 
me down. > > 73! > Jack, W6FB > > 
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[Elecraft] Maximum RF power through KP1500 in Standby ?

[Paul Baldock]

What is the maximum power allowed though the KPA1500 when in Standby ?

What is the maximum power allowed though the KPA1500 when in Power Off ?

Thanks

- Paul KW7Y

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Re: [Elecraft] CM500 headset on K3S and KX3?

[Wes]

The failures I have are the ear pads disintegrate.  Someone said Koss pads could 
work but that hasn't been my experience. I've found some '500s at estate sales 
where I snap them up.  Currently the law firm where my fiance is employed is 
working from home and she's using a set on her computer to "attend" on-line 
meetings.  I guess I can add "IT Manager" to my resume, since I'm helping her 
with her connections.  I second the use of VOX.


Wes  N7WS

On 5/5/2020 5:32 PM, Jim Brown wrote:

On 5/5/2020 4:44 PM, Paul Gacek via Elecraft wrote:
For what its worth and everyones milage will vary, I had a brand new CM500 
that I used for a week of hard operating while on a pretty island and the 
boom came loose after a couple of days.


Your experience is unusual. In about 11 years, the only thing that has ever 
gone wrong with my CM500s have been a broken cable, which, unfortunately, is 
not replaceable. I'm kind of a klutz, so I'm hard on cables, dropping them, 
kicking them, etc. Perhaps it got broken in shipping?


I've never used anything but VOX for SSB and digital modes. That's always 
worked just fine as long as there's not loud noise (like when the XYL walks 
through the shack and lets the screen door slam). :)


73, Jim K9YC
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Re: [Elecraft] CM500 headset on K3S and KX3?

[rich hurd WC3T]

I bought this because my soldering skills are not what they once were.
(Used to do MIL-spec, now I’m lucky to hit the joint with the iron. ).

https://shop.technofix.uk/hand-ptt-switch-for-elecraft-kx3-2-5mm-jack

Plugs into the ACC2 jack directly.  Instructions are on the page.   Works
FB.  It and my Yamaha are inseparable.

On Tue, May 5, 2020 at 20:32 Jim Brown  wrote:

> On 5/5/2020 4:44 PM, Paul Gacek via Elecraft wrote:
> > For what its worth and everyones milage will vary, I had a brand new
> CM500 that I used for a week of hard operating while on a pretty island and
> the boom came loose after a couple of days.
>
> Your experience is unusual. In about 11 years, the only thing that has
> ever gone wrong with my CM500s have been a broken cable, which,
> unfortunately, is not replaceable. I'm kind of a klutz, so I'm hard on
> cables, dropping them, kicking them, etc. Perhaps it got broken in
> shipping?
>
> I've never used anything but VOX for SSB and digital modes. That's
> always worked just fine as long as there's not loud noise (like when the
> XYL walks through the shack and lets the screen door slam). :)
>
> 73, Jim K9YC
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Jim Brown]

On 5/5/2020 4:44 PM, Paul Gacek via Elecraft wrote:

For what its worth and everyones milage will vary, I had a brand new CM500 that 
I used for a week of hard operating while on a pretty island and the boom came 
loose after a couple of days.


Your experience is unusual. In about 11 years, the only thing that has 
ever gone wrong with my CM500s have been a broken cable, which, 
unfortunately, is not replaceable. I'm kind of a klutz, so I'm hard on 
cables, dropping them, kicking them, etc. Perhaps it got broken in 
shipping?


I've never used anything but VOX for SSB and digital modes. That's 
always worked just fine as long as there's not loud noise (like when the 
XYL walks through the shack and lets the screen door slam). :)


73, Jim K9YC
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Don Wilhelm]

Frank,

For the K3S, just plug the microphone and headphone plugs into the rear 
panel jacks.  Set the MIC SEL to RP and turn bias on.


For the KX3. the easy way is to just turn MIC BTN off and plug it in. 
That microphone needs bias, and it will be supplied by the digital DC 
that normally is used for the MIC Button functions.


The harder way for the KX3 is to make an adapter (but it is not that hard)
Be aware that, like most computer microphones, the tip and the ring of 
the plug are wired together - so if you make an adapter, you must use a 
stereo jack so the audio is not shorted to ground.


If you make an adapter, you can include a connection for a PTT switch, 
but without that, you can put the KX3 into transmit with the XMIT button.


73,
Don W3FPR

On 5/5/2020 7:31 PM, Frank O'Donnell wrote:
Phone newbie here. Any recommendations on off-the-shelf cables or 
adapters, and a handheld switch, to enable use of a Yamaha CM500 headset 
along with PTT functionality on both a K3S and KX3?


Thanks much,

Frank K6FOD



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Re: [Elecraft] CM500 headset on K3S and KX3?

[Paul Gacek via Elecraft]

Frank

For what its worth and everyones milage will vary, I had a brand new CM500 that 
I used for a week of hard operating while on a pretty island and the boom came 
loose after a couple of days. Since then I have reliably used the Elecraft sold 
Heil Proset at home and other pretty islands. Ironically I bought the CM500 as 
I didn't want my Heil abused in transit or when operating away from home.

From memory no additional adapters are needed for use with the KX3 and I find 
it easier (but friends don’t) to use VOX.

Paul
W6PNG/M0SNA
www.nomadic.blog

> On May 5, 2020, at 4:31 PM, Frank O'Donnell  wrote:
> 
> Phone newbie here. Any recommendations on off-the-shelf cables or adapters, 
> and a handheld switch, to enable use of a Yamaha CM500 headset along with PTT 
> functionality on both a K3S and KX3?
> 
> Thanks much,
> 
> Frank K6FOD
> 
> 
> 
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Re: [Elecraft] CM500 headset on K3S and KX3?

[Walter Underwood]

For the KX3, an off-the-shelf stereo-to-mono splitter will separate the mic and 
PTT lines. It also separates the mic bias (clean) from the logic signal (not so 
clean). Details here:

https://observer.wunderwood.org/2015/08/16/yamaha-cm500-headset-with-ptt-on-elecraft-kx3/

For transmit audio setup, I collected various bits of knowledge from the manual 
and this list into a single article.

https://observer.wunderwood.org/2015/09/09/transmit-audio-and-compression-with-the-elecraft-kx3/

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On May 5, 2020, at 4:31 PM, Frank O'Donnell  wrote:
> 
> Phone newbie here. Any recommendations on off-the-shelf cables or adapters, 
> and a handheld switch, to enable use of a Yamaha CM500 headset along with PTT 
> functionality on both a K3S and KX3?
> 
> Thanks much,
> 
> Frank K6FOD
> 
> 
> 
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Re: [Elecraft] Upper limits of KPA500?

[Dave Cole]

Remember...  Just because you think they are out to get you, does not 
mean they are not out to get you...


73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist
ARRL Asst. Director, NW Division, Technical Resources

On 5/5/20 2:33 PM, Eric Norris wrote:
This has been very educational.  I have, unfortunately, faulted both my 
veteran KPA500 and KPA1500 more times than I can count.  I've been so 
paranoid about keeping them otherwise healthy, that I manually 
manipulate the fan speed using the utilities--increasing the KPA500 fan 
speed when it gets into the 60Cs, and the KPA1500 when it gets into the 
70Cs.


The downside is I sometimes forget to reduce the fans when the chase is 
over, and the amps quickly cool to room temperature, only to heat up 
again when the next chase is underfoot.  Is this rapid cooling and 
heating even worse for the life of the devices, and then again what 
about turning off the amps when going QRT?  Should they be cooled to 
room temp first, or just until the fans stop running in NOR mode?


The question isn't is one paranoid, but is one paranoid enough?

73 Eric WD6DBM

On Mon, May 4, 2020, 9:12 AM Jack Brindle via Elecraft 
mailto:elecraft@mailman.qth.net>> wrote:


 From the KPA500 manual, Rev E1, page 41 Specifications:
Duty Cycle at 500 Watts  10 minutes key down / 5 minutes standby

Sometimes it is very worth while to read the manual. It gives me
something to do when being stuck at home for so long gets me down.

73!
Jack, W6FB



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[Elecraft] CM500 headset on K3S and KX3?

[Frank O'Donnell]

Phone newbie here. Any recommendations on off-the-shelf cables or 
adapters, and a handheld switch, to enable use of a Yamaha CM500 headset 
along with PTT functionality on both a K3S and KX3?


Thanks much,

Frank K6FOD



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Re: [Elecraft] Upper limits of KPA500?

[Eric Norris]

This has been very educational.  I have, unfortunately, faulted both my
veteran KPA500 and KPA1500 more times than I can count.  I've been so
paranoid about keeping them otherwise healthy, that I manually manipulate
the fan speed using the utilities--increasing the KPA500 fan speed when it
gets into the 60Cs, and the KPA1500 when it gets into the 70Cs.

The downside is I sometimes forget to reduce the fans when the chase is
over, and the amps quickly cool to room temperature, only to heat up again
when the next chase is underfoot.  Is this rapid cooling and heating even
worse for the life of the devices, and then again what about turning off
the amps when going QRT?  Should they be cooled to room temp first, or just
until the fans stop running in NOR mode?

The question isn't is one paranoid, but is one paranoid enough?

73 Eric WD6DBM

On Mon, May 4, 2020, 9:12 AM Jack Brindle via Elecraft <
elecraft@mailman.qth.net> wrote:

> From the KPA500 manual, Rev E1, page 41 Specifications:
> Duty Cycle at 500 Watts  10 minutes key down / 5 minutes standby
>
> Sometimes it is very worth while to read the manual. It gives me something
> to do when being stuck at home for so long gets me down.
>
> 73!
> Jack, W6FB
>
>
>
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Re: [Elecraft] KX3 digital ops, MacOS

[wi6x . 73]

My amateur radio related MacOS applications are:

MacLoggerDX and it’s included add-ons
WSJTX
JT-Bridge
MultiScan 3B
fldigi
flarq
flamp
flwrap
flog
flrig
MacWinKeyer
cocaNEC 2.0
SimSmith
AntScope2
NetLogger
MorseRunner
RUMlogNG
SkookumLogger
tqsl
varius RT Systems rig programing software
TeamViewer
Elecraft KPA Utility
Elecraft KAT500 Utility

I wish N1MM worked on MacOS.

WI6X
Jim


> On May 5, 2020, at 3:24 AM, David Andrews via Elecraft 
>  wrote:
> 
> Bill, thanks for your recent discussion on digital ops.  I wish to start 
> exploring this mode, and am also a MacOS user.  Please provide your 
> recommendations on options for MacOS software for various digital modes.  I 
> have no MacOS Elmers available locally.
> Dave
> KA1DA
> (formerly KB1YHM)
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Re: [Elecraft] KX3 digital ops, MacOS

[Eric KG6MZS]

I’m not a fan of FLdigi and I much prefer Digital Master 780 for longer QSOs on 
PSK and the like, so my solution is to run Windows native via a bootable 
partition on the Mac.  This works flawlessly.  It is done through Boot Camp — a 
utility that comes with the Mac OS.

Another county heard from,

73 de Eric, KG6MZS
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Re: [Elecraft] KX3 digital ops, MacOS

[Steve Anness]

Hello Dave --

That will depend largely on the modes you wish to use.  WSJT-X for the "JT
Modes" (FT8, FT4, etc) is fully portable and available on MacOS (
https://physics.princeton.edu/pulsar/K1JT/wsjtx.html).  This will get you
started on the current popular modes.  fldigi is another popular program, I
have used it on my Mac for RTTY during the BARTG Sprint, it isn't the
greatest for contesting but does work for casual contesting.  It can do
RTTY and PSK and a bunch of other digital modes that I have never tried (
http://www.w1hkj.com/).

The KX2 Utility also runs on MacOS (
https://elecraft.com/pages/kx2-fully-portable-transceiver-firmware-and-utility)
You can use this utility to receive and send RTTY if you wanted to.

These are some starting points, hope this helps!

73 de KJ5T

On Tue, May 5, 2020 at 5:25 AM David Andrews via Elecraft <
elecraft@mailman.qth.net> wrote:

> Bill, thanks for your recent discussion on digital ops.  I wish to start
> exploring this mode, and am also a MacOS user.  Please provide your
> recommendations on options for MacOS software for various digital modes.  I
> have no MacOS Elmers available locally.
> Dave
> KA1DA
> (formerly KB1YHM)
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[Elecraft] KX3 digital ops, MacOS

[jamesgood]

Dave, KA1DA,

 There is a very good suite of software that helps the user send and 
 receive almost any digital mode signal. The suite is for the Fldigi 
 suite of software. It is written, compiled, and tested to work (run)
on 
 any computer that has a Windows, MacOS, or Linux operating system.
The 
 chief author of the software is Dave . The 
 software can be found at his website or at Source Forge. There are
user 
 groups for each 'flavor' of computer that is in use. There might even

 be links to each of the user groups on his website: 
 w1...@bellsouth.net. Fldigi does not, yet, send or receive any of the

 JTx modes (JT4, JT8, etc.) but it does have several modes that can 
 deliver large amounts of data in reasonably short time and in limited

 bandwidth. Take a look at W1HKJ's site and at the Wiki and help pages

 there for more information. Good luck and enjoy.

 James Good kd5vxh


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Re: [Elecraft] Which Paddle?

[Ed Pflueger]

When I used to work on Stromberg Carlson X-Y and EMD 4-wire telephone systems 
we had little burnishers  the we carried all the time because of the zillion 
relays with contacts.  If we would forget to bring them we would use 20 or 
higher dollar bills and use them as a burnisher.  They had less grease from 
handling and did quite well as a burnisher.

Ed.. AB4IQ  

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of brianchapn...@rogers.com
Sent: Monday, May 4, 2020 10:00 PM
To: Wayne Burdick ; Tommy Judson 
Cc: Elecraft 
Subject: Re: [Elecraft] Which Paddle?

So Wayne, how do you suggest cleaning the contacts? I have been slipping a 
piece of paper between the contacts,  closing the paddle and pulling the paper 
through. First time I've heard of the contact burnisher.

Brian VE3GMZ 

 



Sent via BlackBerry Hub+ Inbox for Android


  Original Message  


From: n...@elecraft.com
Sent: May 4, 2020 10:43 p.m.
To: tso...@icloud.com
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Which Paddle?


Hi Tommy,

I designed both keys, but I prefer the KXPD2. I use a KXPD2 with the KX2 
frequently and have never had a problem. We improved the design over time.

It weighs less than the KXPD3, takes up less space when packed, and is shorter 
so when it’s used trailside, the paddle tips will be higher off the ground. The 
adjustment tool is “docked” on the key as well so you can’t lose it.

(Bonus feature: if you use it outdoors often enough, it’ll gradually acquire a 
slight amber tint that matches the LCD backlight color :)

72,
Wayne
N6KR


elecraft.com

> On May 4, 2020, at 6:42 PM, Tommy Judson via Elecraft 
>  wrote:
>
> Well, gotta make up my mind on which paddle to order along with the radio.  
> Just checked and my CU deposited what I thought the cost of a complete 
> station should be into my account.  These isolate in place options are 
> dangerous, it was to easy to do this on-line.
>
> Not sure I want to spend it now though - preliminary buyer’s remorse?
>
> Think I’ll go over everything again, maybe have forgotten something.  Let's 
> see, antenna and feed line, check; inverted V support pole, check; and radio, 
> check (except what paddle).  Haven’t nailed down exactly what all other 
> options might as well be purchased along with the radio either.
>
> That’s ok, got about a week before moving out to a nice country hill side a 
> handful of miles out of the city limits.  Been looking forward to this for a 
> long time and want to savor it for a while.
>
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[Elecraft] KX3 digital ops, MacOS

[David Andrews via Elecraft]

Bill, thanks for your recent discussion on digital ops.  I wish to start 
exploring this mode, and am also a MacOS user.  Please provide your 
recommendations on options for MacOS software for various digital modes.  I 
have no MacOS Elmers available locally.
Dave
KA1DA
(formerly KB1YHM)
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Re: [Elecraft] KX3 digital 0ps?

[Edward R Cole]

For running the KX3 on digital modes, I bought the Rigblaster OHMIC 
on suggestion by W7GJ:
http://www.bigskyspaces.com/w7gj/KX3.htm 



Probably not make as many modification as I will just connect CW key 
to the KEY jack.  I'm not doing eme with the KX3 so need the simpler 
interface set up (only requires DTR for transmit keying).


Have not actually used it yet.  I bought it for our RV trip in 2018, 
AK to MI (11K miles R/T).


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