190-01878-02
GMA 342/345 Installation Manual
Rev. 5
Page 4-8
4.6.4 RCVR, AUX, and NAV Audio Inputs
NOTE
For GMA 342/345 2-COM units only, two buttons (AUX1 and AUX2) are used to select/
deselect the 3 AUX inputs. Pressing the AUX1 button selects/deselects the AUX 1 and
AUX 3 receivers. Pressing the AUX2 button selects/deselects the AUX 2 receiver.
NOTE
For the GMA 345 3-COM unit, a single AUX button is used to select all 3 AUX inputs for
simultaneous monitoring.
44
J3401
ALERT 4 AUDIO IN HI
Alert 4 Audio Input
IN
Table 4-10 AUX and NAV Audio Inputs
Pin
Connector
Pin Name
Description
I/O
21
J3401
RCVR 3 AUDIO IN HI
(AUX 1)
RCVR 3/AUX 1 Audio Input
IN
22
J3401
RCVR 3 AUDIO IN LO
(AUX 1)
Ground Reference for RCVR 3/AUX
1 Input
--
7
J3401
RCVR 4 AUDIO IN HI
(AUX 2)
RCVR 4/AUX 2 Audio Input
IN
8
J3401
RCVR 4 AUDIO IN LO
(AUX 2)
Ground Reference for RCVR 4/AUX
2 Input
--
23
J3401
RCVR 5 AUDIO IN HI
(AUX 3)
RCVR 5/AUX 3 Audio Input
IN
43
J3401
ALERT 3, 4 AUX 3 AUDIO
IN LO
Ground Reference for RCVR 5/AUX
3 Audio Input
--
17
J3401
NAV 1 AUDIO IN HI
NAV 1 Audio Input
IN
18
J3401
NAV 1 AUDIO IN LO
NAV 1 Ground Reference
--
19
J3401
NAV 2 AUDIO IN HI
NAV 2 Audio Input
IN
20
J3401
NAV 2 AUDIO IN LO
NAV 2 Ground Reference
--
Table 4-9 Alert Audio I/O
Pin
Connector
Pin Name
Description
I/O
