Rick,
Your K2 Manual shows all the pinouts, and it describes how to jumper the
various pins if needed. You just need to look at the pinout for the mike
you have, and jumper accordingly. You may have to solder some of the
jumpers if they are not directly across. Otherwise, just use the pins
jumpers provided. If your microphone is an electret, you will need to put a
jumper between the V+ pin (pin 6 I think), and whichever pin is your
microphone pin. It's all described there.
Dave W7AQK
----- Original Message -----
From: "Rick Tavan N6XI" <[EMAIL PROTECTED]>
To: "Elecraft Reflector" <[email protected]>
Sent: Sunday, June 08, 2008 11:00 AM
Subject: [Elecraft] Need Pinout for Heil HMM "icom" hand mic
I need to connect a Heil HMM "for icom only" mic to a K2. The KSB2 and Heil
Website don't mention this mic. The pinout is not the same as the
Heil-manufactured Elecraft MH2. The mic has a handwritten label "PTT 5&6"
and I have confirmed that this is correct. How do I jumper the mic pin
block
for audio (pin 1?) and 5V? What value bias resistor should I try?
Thanks,
/Rick N6XI
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