[Elecraft] microphone issue on K3

[David Ferrington, M0XDF]

Did you check the battery voltage? This sound rather like a problem I experienced when on an adjustable PSU - I later found the voltage from the PSU was low (although I haven't yet checked the K3 is still ok).
73 de David, M0XDF (K3 #174, P3 #108)

On 29 Dec 2012, at 15:54, sp5apw wrote:

> Today, during mobile operation on battery powered K3 I experienced a
> modulation problem. When I started to transmit my signal became over
> modulated (even mic gain was low) and I didn't hear my voice in headphones
> (I have switched on voice monitoring) but heard noise. Even in case when I
> stopped to talk (but PTT was pushed) the signal was still over modulated by
> noise. Only in case when PTT was pushed by I didn't started to talk the
> transmission wasn't modulated. But as soon as I started to talk it started
> to be transmit noise. On the beginning I taught that my mic was
> out-of-order but I tried to use computer mic connected to rear mic socket
> (of course I changed configuration :) to rear mic) but the problem appeared
> again. So, it means that this is not a mic issue but a damage of the rig.
> May somebody advise what to do? Sorry for my poor English.
> Jacek SP5APW