Hi Damon,
You have the PRM-171 probably closed by now, but I would like to know if the pins from the mic socket on the mainboard go one to one to the mic socket on front. And also wich two pins are not used. The socket on the mainboard and the cable have 8 pins/wires, the mic socket has only 6 pins.
I'm wonderung if the PMR mic (MH-48 clone) could work on the Q900 since it has the same socket on the mainboard. In firmware 3.4.1 I can even find a clear text entry with all variants including PMR-171.
But then it could also be, that the port is disabled when the Q900 is recognized by the firmware. Would be intersting to try though.
Kai (DD6KW)
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