[Elecraft] CM500 headset on K3S and KX3?

[Walter Underwood]

For the KX3, an off-the-shelf stereo-to-mono splitter will separate the mic and PTT lines. It also separates the mic bias (clean) from the logic signal (not so clean). Details here:

https://observer.wunderwood.org/2015/08/16/yamaha-cm500-headset-with-ptt-on-elecraft-kx3/

For transmit audio setup, I collected various bits of knowledge from the manual and this list into a single article.

https://observer.wunderwood.org/2015/09/09/transmit-audio-and-compression-with-the-elecraft-kx3/

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On May 5, 2020, at 4:31 PM, Frank O'Donnell <vfo77 at inkbox.net> wrote:
> 
> Phone newbie here. Any recommendations on off-the-shelf cables or adapters, and a handheld switch, to enable use of a Yamaha CM500 headset along with PTT functionality on both a K3S and KX3?
> 
> Thanks much,
> 
> Frank K6FOD
> 
> 
> 
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