[Elecraft] K3S, fldigi and Windows 10

[Bob Novas]

I've managed to hookup my K3S to my Windows 10 box and receive PSK31 using
fldigi, but I'm not having success transmitting.  I put the K3S in VOX mode,
USB, 14.070. I set the Mic+LIN to ON.  When I click the Tune button on
fldigi, the K3S transmits, but with very low output.  I can't find any audio
Volume control in Windows 10 to adjust the volume - the one control I think
might be the correct control is at max output.  It's hard to identify what
audio device is what.  Any hints?  

 

Also, the VOX is slow to go from Transmit to Receive when I stop
transmitting.

 

Are there any resources (e.g., documentation) specifically directed to
fldigi + K3S?

 

Thanks, Bob - W3DK.