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ICOM Models HM77, HM78, HM79, HM95, HM97 Microphone Pin-outs [message #107] Wed, 07 February 2007 23:36
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ICOM Models HM77, HM78, HM79, HM95, HM97 Microphone Pin-outs

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PIN 1 +8 VOLTS DC output (max 10 Ma)
PIN 2 UP/DOWN.
PIN 3 AUDIO OUT.
PIN 4 PTT.
PIN 5 MIC GROUND.
PIN 6 MIC.
PIN 7 GROUND.
PIN 8 NO/CONNECTION.

[Updated on: Wed, 07 February 2007 23:38]

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