[Elecraft] Yahama CM500 help

[Jim Brown]

On Sun,12/6/2015 9:00 PM, KD7PY wrote:
> I am trying to help my buddy out on the phone who is 1200 mi away,
> he is trying to get the cm500 to work on his new to him K3.
> I don't have a cm500 to look at but pix of it shows the mic plug a stereo
> and not mono.

Right.

> does he have to change the plug,

No.
>   he tried to use it with the Heil adaptor
> for the front pnl and tried it in the back mic connector and can't get the
> mic to work.

Plug it into the rear panel.  Do NOT use an adapter. Follow the 
instructions in the manual to select Rear Panel and to TURN ON BIAS.

73, Jim K9YC