[Elecraft] [K3] SSB no output

[John Shadle]

Hi all,
Here is the problem. I am using my K3 in SSB mode. I key down the mic, and
it shows the red LED "TX" quite bright, but no power is coming out.
However, when I key the radio with the audio input from the computer (using
N3FJP's AC Log software) I am able to play a recorded file (e.g., "W4PAH",
"Thank you, you are 59 into Wisconsin", etc.).

I've tried both my hand mic and my desk mic. No difference in behavior.

I haven't changed any settings that I can recall. Help!

-john W4PAH