[Elecraft] CM500 headset on K3S and KX3?

[Nr4c]

The 2.5 mm is about 0.100 in. A 3/32 is .093 or 0.007 in smaller. 

Sent from my iPhone
...nr4c. bill


> On May 5, 2020, at 11:16 PM, Grant Youngman <ghyoungman at gmail.com> wrote:
> 
> Checked the manual.  It’s on the TIP connection of ACC2.  Set ACC2 IO in the menu to LO=PTT.
> 
> Grant NQ5T
> 
>> On May 5, 2020, at 11:06 PM, Grant Youngman <ghyoungman at gmail.com> wrote:
>> 
>> 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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