[Elecraft] K3: "lost" CW sidetone in headphones

Don Wilhelm w3fpr at embarqmail.com
Tue Nov 5 20:57:17 EST 2013


Brian,

I have not seen an answer yet, and I don't know of a good one, but ---
Have you tried different headphones?

73,
Don W3FPR

On 11/5/2013 1:23 PM, K1LI wrote:
> Suddenly, I can only hear the CW sidetone in headphones at normal volume when
> CONFIG:SPKR+PH is set to YES. I can tell that the sidetone is coming from
> the 'phones when both speaker and phones are on because turning
> CONFIG:SPKR+PH from YES to NO cuts off the sidetone in the headphones before
> it cuts off the speaker.
>
> When I unplug the headphones from the jack - whether front or rear - I can
> hear the sidetone at normal volume in the speaker. When I plug the
> headphones into the jack, I have to increase the sidetone volume to over 40
> (via the front panel MON control) just to hear the sidetone when
> CONFIG:SPKR+PH is set to NO.
>
> I reloaded firmware (all latest), but no change.
>
> Thoughts?
>
>



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