[Elecraft] K3 high pitched tone and noise when keying the mic

[Paul Taenzer]

Thanks for you quick response!

Unfortunately that didn't seem to do the trick.

The speakers are not on (speakers + phone = no) and I tried turning the
monitor gain to zero.

Still no joy.

Other thoughts?

TNX agn,

Paul
VA3LX

Paul Taenzer
ptaenzer at gmail.com
613-385-1226

On Sun, Nov 15, 2015 at 5:00 PM, Pierfrancesco Caci <pf at tippete.net> wrote:

> >>>>> "Paul" == Paul Taenzer <ptaenzer at gmail.com> writes:
>
>     Paul> I recently developed a high pitched tone and seemingly random
>     Paul> noise when
>     Paul> keying the mic with either PTT or VOX
>
>
>     Paul> The noise goes away when the mic gain is set to zero. Changing
>     Paul> from the
>     Paul> Yamaha CM500 to a random computer headset made no difference.
>
>
> how's your monitor level set? I once forgot to turn it down after some
> tests, and it was getting back in the mic, causing the typical loop
> whistle.
>
> --
> Pierfrancesco Caci, ik5pvx
>