[Elecraft] CM500 headset on K3S and KX3?

[Grant Youngman]

The ACC2 connector is a 2.5mm TRS connector, not 1/8” (3.5mm).   PTT is either on the tip or ring, I don’t recall which off hand — check the manual.

Grant NQ5T

> 
> -- On the KX3, plug the headset's mike and phone plugs into the respective jacks, and use a momentary-contact switch on a mono-style 1/8" plug in the ACC2 jack as a manual PTT switch.
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