Steve Bray wrote:
> I can't make that address work.
>>
>> http://home.swbell.net/lt1_z28/icom_adapter.pdf

That's odd, it's working for me. If anyone needs it and can't get it online, 
email me and I'll attach it.

Basically it's a PDF Icom sent me when I asked for the pinout of their 
headset adapter. It's a straight through cable, no electronics at all, and 
the only hard part to get is the .206 jack for the headset side (which isn't 
that hard to get).

Headset side
1/4" mono jack
Tip is speaker
Shell is shield #2

.206 stereo jack
Tip is PTT
Ring is Mic
Shell is shield #1

3.5mm mono jack (for PTT)
Tip goes to the .206 jack's tip
Shell goes to .206 jack's shell

Radio side
1/8" Mono plug
Tip is speaker
Shell is shield #2

Stereo plug (size not listed, but smaller than 1/8" and I don't have one 
sitting around to check it)
Tip is PTT
Ring is Mic
Shell is shield #2

PTT shorts mic plug/jack tip to shield

My plan is to build a cable with plugs on both ends so one end goes into the 
radio, the other into the copilot headset jacks, mic to speaker and speaker 
to mic. That should work until I get an audio panel and wire it through 
there. I need to get a 2nd comm ant. installed on the wing with a cable 
under the panel. This radio is no fun to tune in the air, have to hold a 
button and scroll through every channel to get to what you want, unless it's 
in memory, but it's better than no 2nd radio at all.
-- 
Steve
[email protected]
N3343V- '75 C150M
N205FT- KR1 #6170
He who seeks will find, and he who knocks will be let in. 


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