KX3, Yamaha CM500 headphones and PTT switch

[Esquer Dave]

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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[Don Wilhelm-4]

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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