[Elecraft] K3 Monitor feedback

[Mike]

Thanks Lyle -

Lyle Johnson wrote:
>> Any voice mode (I don't have FM) I get feedback with MIC+LIN on. 
>> Muting the Line setting in WIndoze (Mine doesn't say whether it's in 
>> or out) kills the feedback. Pulling the line-in or line-out doesn't 
>> kill the feedback.
>
Should have been
Pulling the line-in or line-out does kill the feedback.
> LINE OUT from the K3 includes Tx audio.  LINE IN goes to Tx audio. If 
> the computer has any path between LINE IN and LINT OUT, you'll get 
> feedback when you go to transmit.
I would have thought LINE OUT was Rx audio.
So the sound card is acting like an audio U-turn?
>>
>> If the ProSet is laying on top of the rig, there is feedback at all 
>> settings until I move it. Vox is off, so that indicates that the mic 
>> is open all the time...
>
> You have the MIC ON and MIC gain non-zero, so the K3 is using the MIC. 
> Hence the feedback.
Sorta have to to use the phone modes, yes?
>
> MIC+LIN means "Mic and line simultaneously".
>
RR
> 73,
>
> Lyle KK7P
>
>
Mike NF4L