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

Paul Taenzer ptaenzer at gmail.com
Sun Nov 15 17:38:06 EST 2015


One more thing I just noticed.

Sometimes (I can't figure out the pattern) the bottom line on the K3
display says low battery.

I'm not sure what that could be referring to.

Perhaps it's related to the mic noise??

TNX

Paul
VA3LX

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

On Sun, Nov 15, 2015 at 5:35 PM, Paul Taenzer <ptaenzer at gmail.com> wrote:

> 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
>>
>
>


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