[Elecraft] CM500

[n6lrv at cox.net]

Tom,
I recently bought a CM500 new and it did not include any papers at all however the headset's wiring reflects a standard used in computer sound cards. The mic jack/plug is usually wired as follows;
tip- mic signal
ring- bias voltage (optional)
sleeve- ground

Hope this helps.
Gary
N6LRV
---- Tommy Alderman <aldermant at windstream.net> wrote: 
> SOMEWHERE in my pile of papers I have a CM500 headset owners paper! 
> Can someone please tell me what the tip and ring connection are for the
> microphone? I assume the base is the ground connection.
> Thanks.
> Tom - W4BQF
>