[Elecraft] K3s USB sound card not receiving MMTTY audio

[Joe Subich, W4TV]

 > I feel stupid for overlooking this setting, but honestly I don't
 > remember doing it in the past when setting up for other RTTY contests,
 > or switching back to MIC afterward. I need to check MMTTY and N1MM to
 > see if either sends any commands to the K3 to do this automatically.

Use *AFSK_A* data submode for RTTY.  Then you can select MENU:MIC SEL =
Line In for RTTY and leave MENU:MIC SEL= on one of the mic settings
for USB/LSB/AM/FM.  The input will be selected automatically based
on mode.

N1MM will send commands to switch audio input *IN PHONE* (mic or
Sound card DVK) if you indicate that the sound card is internal to
the transceiver.  It does not send commands when switching between
voice and data (the K3 handles that if you have it set up properly).

73,

    ... Joe, W4TV


On 2022-01-09 10:42 PM, Mike Dodd wrote:
> Aargh! Aargh! Aargh! (Sound of head banging on desk.)
> 
> The problem was that I did not have the K3s set to use the line input! 
> I.e., MAIN:MIC SEL menu entry was not set to LINE IN.
> 
> I feel stupid for overlooking this setting, but honestly I don't 
> remember doing it in the past when setting up for other RTTY contests, 
> or switching back to MIC afterward. I need to check MMTTY and N1MM to 
> see if either sends any commands to the K3 to do this automatically.
> 
> To make matters worse, I have a text document that shows connections and 
> settings for the K3, but it didn't mention the MIC SEL menu entry; it 
> only said to set the MIC (line) level. I completely missed the implied 
> line input selection. You can bet that is now fixed!
> 
> So, problem solved. THANK YOU to everyone who offered suggestions here 
> and via private email. I hope I can avoid this embarrassing situation in 
> the future.
>