190-01134-11
GMA 350/350c/350H/350Hc Installation Manual
Rev. J
Page 4-13
An active low output that has low-impedance to ground when PA mode is selected.
COM SWAP is used to toggle between COM1 MIC and COM2 MIC for installations with two COM
radios.
CYCLE* IN (GMA 350H Only) is used to cycle between COM1 MIC, COM2 MIC, and COM3 MIC for
installations with three COM radios.
An active low input that allows a remote pushbutton to initiate playback of recorded COM audio.
Table 4-22. PA Mode
Pin Name
Connector
Pin
I/O
PA MODE SELECTED* OUT
J3502
19
Out
Table 4-23. COM Swap/Cycle
Pin Name
Connector
Pin
I/O
COM SWAP/CYCLE* IN
J3502
20
In
Table 4-24. Play Key
Pin Name
Connector
Pin
I/O
PLAY KEY* IN
J3502
22
In