Funky CW from K3

[Elecraft mailing list]

Been having issues with the quality of the CW sending from my K3. Still chasing down other possible fixes but recently heard that there was a problem sending over 30 wpm with RIT on?  What is the story on this and fix?

Regards,
Mark, K1RX


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[Don Wilhelm]

Mark,

At what keying speeds?

See the K3 menu CONFIG: CW QRQ.  That mode will allow clean CW keying up
to 100 WPM.  However, the transmit and receive frequencies must be
shifted with each code element, and further if RIT, SPLIT or XIT are
turned on, QRQ mode will be automatically turned off.

For the best results for high speed CW, install the new synthesizer(s)
in a K3 that has not yet been upgraded.  The frequency can be changed
more quickly than with the old synthesizer.

73,
Don W3FPR

On 11/27/2018 8:01 AM, Mpridesti via Elecraft wrote:

> Been having issues with the quality of the CW sending from my K3. Still chasing down other possible fixes but recently heard that there was a problem sending over 30 wpm with RIT on?  What is the story on this and fix?
>
> Regards,
> Mark, K1RX
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
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> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

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[Richard Ferch-2]

First question: Do you have the old (original) synth board or the new
(K3S-type) KSYN3A synth(s)? The new synth board alleviates these CW
problems ("faster CW break-in and more accurate CW timing" as compared with
the original KSYN3 board).

Second question: What is the CONFIG:TX DLY set to? If it is anything above
the minimum (8 msec), that can result in "choppy" CW (shortened elements,
less accurate timing).

Third question: Do you have CONFIG:CW QRQ turned on? This improves CW
timing at high CW speeds, but it turns off automatically if RIT, XIT or
SPLIT is on. You are less likely to need CW QRQ on if you have the new
synth board installed.

This is not just hearsay; the issues with TX DLY and CW QRQ are described
in the K3 Owner's manual.

73,
Rich VE3KI

K1RX wrote:
Been having issues with the quality of the CW sending from my K3. Still
chasing down other possible fixes but recently heard that there was a
problem sending over 30 wpm with RIT on?  What is the story on this and fix?
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