[Elecraft] PTT help KX3/KXPA100

[Walter Underwood]

Use a stereo to mono splitter. One leg is the mic, the other is PTT.

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

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


> On Apr 18, 2017, at 10:53 AM, Michael Dinkelman <mwdink at gmail.com> wrote:
> 
> Trying to get PTT working with a boom mic into the KX3.
> The microphone works fine using VOX into the microphone jack of the KX3.
> Of course, XMIT works too.
> 
> Trying to trigger PTT using the GPIO port of the KX3/KXPA100 accessory
> cable.
> 1) MICBTN configured to OFF  (tried PTT too)
> 2) ACC2 IO configured to LO=PTT
> 
> No PTT when using a mono plug into the GPIO port
> Gotta be something simple. What am I missing?
> 
> (I would try at the ACC2 port on the KX3 itself but no 2.5mm TRRS plugs
> at this point)
> 
> cheers
> mike, n7wa
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