The keying output is directly tied to the 7R (7 volts receive) line, so it can't be gated internally to the radio. Wayne On Jul 9, 2012, at 4:25 PM, Rich - K1HTV wrote: > > He asked me if there was a way of deactivating the keying output > signal used to > turn on an external amp via a command that could be imbedded in a > macro.