Dave,
The ACC2 will provide KEYOUT (for keying an amplifier, etc). You need
KEYIN (or PTT).
The PTT input is available on the mic jack.
I made a special adapter for the CM500 using a 3 circuit 3.5mm jack.
The tip and shell connect to the CM500 mic, and the ring and shell
connect to a pushbutton switch that I use for PTT. It works very well.
73,
Don W3FPR
On 1/5/2014 11:15 PM, Esquer Dave wrote:
Hi folks,
Newbie Dave with a KX3 and a brand new pair of Yamaha CM-500 headphones. I need
a PTT switch. I’d like to build one. Is it as easy as wiring a momentary PTT,
using the ACC2 port, the ACC2 I/O ON menu settings and a 1/8” mini jack?
Read both the Elecraft manual and the Fred Cady book, still a little confused.
TIA and be kind,
Dave
K6WDE
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