[Elecraft] [Bulk] Re: K2 Straight key auto detect

[Matt VK2RQ]

For my K2, I made a short adapter cable, 3.5mm female to 3.5mm stereo male, and I soldered a couple of diodes inside the one of the 3.5mm connectors to bring both tip and sleeve of the male connector to ground when the tip of the female connector is grounded by a straight key. This goes into one of the female sockets on a 2x3.5mm female stereo to 1x3.5mm male stereo Y-adapter cable that is designed so one iPod can be shared with two sets of ear plugs. My paddle goes into the other female socket on the Y-cable, and the Y-cable goes into my K2.

I can then easily move between paddle and straight key, and the K2 will auto detect. In addition, the Y-cable means I don't have to fumble around at the back of the radio if I want to swap over some different keying devices.

I might have mentioned this before, but the K2 is a great radio :-)

73,
Matt VK2RQ

> On 19 Sep 2014, at 1:06 pm, Gene N4FZ <felsummers at comcast.net> wrote:
> 
> Thanks once again Don, I will solder up a stereo plug as you say, then try. I
> don't see the ADET selection come up in the Inp, just PDLn and PDLr and HAND
> on this K2. SN 5812
> 
> 
> 
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