Lighting; Mono Audio; Stereo Audio - Garmin G3X Touch Installation Manual

25.3.5

Lighting

The GDU 37X display brightness can be configured to track 28 VDC or 14 VDC lighting busses using
these inputs.
14V LIGHTING BUS HI
28V LIGHTING BUS HI
25.3.6 Audio
25.3.6.1

Mono Audio

The mono audio output provides audio alerts for connection to an unswitched input on an intercom or
audio panel.
MONO AUDIO OUT HI
MONO AUDIO OUT LO
25.3.6.2

Stereo Audio

The stereo audio output provides SiriusXM® audio for connection to an entertainment input on an
intercom or audio panel. Audio alerts may optionally be reproduced on the stereo audio output in addition
to the mono audio output. See
The left and right common pins (pins 2 and 20) may be tied together or only one may be used. It is not
necessary to use both common pins.
STEREO AUDIO OUT LEFT
STEREO AUDIO OUT LO
STEREO AUDIO OUT RIGHT
STEREO AUDIO OUT LO
190-01115-01
Rev. AC
Pin Name
Pin Name
Section 33.4.13 for instructions regarding the sound config page.
Pin Name
G3X/G3X Touch Installation Manual - LRU Pinouts
Connector Pin
J3701 43
J3701 26
Connector Pin
J3701 1
J3701 18
Connector Pin
J3701 3
J3701 20
J3701 19
J3701 2
Page 25-17
I/O
In
In
I/O
Out
--
I/O
Out
--
Out
--