Garmin GMA 342 Installation Manual page 47

Pin Connector
44 J3401
4.6.4 RCVR, AUX, and NAV Audio Inputs
Pin Connector
21 J3401
22 J3401
7 J3401
8 J3401
23 J3401
43 J3401
17 J3401
18 J3401
19 J3401
20 J3401
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.
190-01878-02
Rev. 5
Table 4-9 Alert Audio I/O
Pin Name
ALERT 4 AUDIO IN HI
Table 4-10 AUX and NAV Audio Inputs
Pin Name
RCVR 3 AUDIO IN HI
(AUX 1)
RCVR 3 AUDIO IN LO
(AUX 1)
RCVR 4 AUDIO IN HI
(AUX 2)
RCVR 4 AUDIO IN LO
(AUX 2)
RCVR 5 AUDIO IN HI
(AUX 3)
ALERT 3, 4 AUX 3 AUDIO
IN LO
NAV 1 AUDIO IN HI
NAV 1 AUDIO IN LO
NAV 2 AUDIO IN HI
NAV 2 AUDIO IN LO
Description
Alert 4 Audio Input
Description
RCVR 3/AUX 1 Audio Input
Ground Reference for RCVR 3/AUX
1 Input
RCVR 4/AUX 2 Audio Input
Ground Reference for RCVR 4/AUX
2 Input
RCVR 5/AUX 3 Audio Input
Ground Reference for RCVR 5/AUX
3 Audio Input
NAV 1 Audio Input
NAV 1 Ground Reference
NAV 2 Audio Input
NAV 2 Ground Reference
GMA 342/345 Installation Manual
I/O
IN
I/O
IN
--
IN
--
IN
--
IN
--
IN
--
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