Hi Gary,

Sorry for the delayed response to your question. I was away from email for a long weekend (hooray!). I don't have a KX1, so I don't know exactly, but I do have a CMOS-4 (and an Elecraft K2). The CMOS-4 uses an RCA jack for the key output. To interface my K2 to my CMOS-4 keyer, I took an RCA patch cable, cut off the RCA connector on the end, and soldered a 1/8" stereo plug instead. Of course the cable ground shield should be connected to the RCA ground shield on one end and the stereo ground shield on the other. I can't recall if the inner connector from the RCA plug should be connected to the tip or the ring of the stereo plug, but I suspect it doesn't matter.

73,
- Rob W7GH
K2 #5004



On Sat, 25 Mar 2006 14:03:27 -0800, Gary H Evans <[EMAIL PROTECTED]> wrote:

I would like to use my CMOS-4 keyer with my KX1. Can anyone help with the wiring of the cable between the keyer and the KX1? Thanks...Gary - AA6R

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