I'm trying to wire up a different microphone for my icom 2400A..and just need a clarification about the pinouts. The center pin of the standard 8 pin connector is marked AF OUT...I'm guessing that this is a speaker audio output, and pin 1 which is the Mic input does not have a corresponding MIC Gnd like on a Kenwood or Alinco. Any comments ??> TNX Joe WR2B