[Elecraft] Yamaha CM500 PTT Switch

[Bill Conkling]

find an old desk mic and remove the mic.

I am in the process of deigning and building a simple PTT switch that is basically the base of a desk mic without the mic.  When I get it finished, I will post it here for comment.  It will be a  3D printed box and some switches and a 1/8 plug for a cable.    I made one from thin plywood using a couple of relay contacts back in 2008 and my club and I have used it ever since fopr thousands of contacts both indoors and out.

…bc  nr4c



> On Mar 2, 2016, at 4:57 PM, Don Wilhelm <w3fpr at embarqmail.com> wrote:
> 
> Steven,
> 
> The hard part is finding a handheld switch that you are comfortable with.  As someone mentioned, if you have another microphone with a PTT switch, plug that into the front panel and plug the CM500 into the rear.  When the rear panel microphone is selected, the PTT button on the microphone will work (but the mic will not).
> 
> The other alternative is to find a cable mounted switch that you are comfortable with and solder an RCA Plug to the end of the cable - plug it into the rear panel PTT jack.
> 
> 73,
> Don W3FPR
> 
> On 3/2/2016 3:16 PM, Steven Stuckey wrote:
>> Please read carefully. I am wanting to get a Yamaha CM500 and add a PTT
>> switch. Do not recommend a foot switch I am wheelchair bound and have no
>> way of using my feet. I am looking for a button PTT switch and not a
>> trigger switch. When I searched the internet the one I saw was "no longer
>> in production for new orders" due to health issues. I may consider building
>> my own. The Yamaha CM500 and PTT switch will be used with my K3S.
> 
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