190-01878-02
GMA 342/345 Installation Manual
Rev. 5
Page 1-2
NOTE
Unless otherwise noted, information listed for the GMA 345 also applies to the GMA 345
3-COM version unit.
1.2.1 Features Summary
Table 1-1 GMA 342/345 Features Summary
Feature
GMA 342
GMA 345
GMA 345 3-COM
Bluetooth Transceiver
None
1 - Not shared with Music 1 or Music 2
USB Charge Port
None
1
3.5 mm 4-Conductor Jack
Input
1 - not shared with
Music 1 or Music 2
None
Tranceiver Channels
3 - COM 1, COM 2, TEL
4 - COM 1, COM 2,
COM 3, TEL
Receiver Inputs
5 - NAV 1, NAV 2, AUX 1, AUX 2, AUX 3*
5 - NAV 1, NAV 2,
AUX 1, AUX 2,
AUX 3 **
Microphone Inputs
6 - Pilot, Copilot, 4 Passenger
Microphone Keys
2 - Pilot, Copilot
Music Inputs (rear
connector)
2
Alert Inputs (unswitched)
4
Speaker Output
1
Headset Outputs
3 - Pilot, Copilot, Passenger (passenger output can drive 4 headsets)
Discrete Inputs
5
Discrete Outputs
3
Failsafe Channel
1 - Only Heard During Power Off Mode
Lighting Bus
1
SD Card Socket
1
8 Position DIP Switch
1
*Note that two buttons (AUX1 and AUX 2) are used to select/deselect the 3 AUX inputs. Pressing the
AUX 1 button selects/deselects the AUX 1 and AUX 3 receivers. Pressing the AUX2 button selects/
deselects the AUX 2 receiver.
**Note that one button (AUX) is used to select/deselect all 3 AUX inputs. When AUX is selected, audio
from all three AUX inputs is merged and heard together.
