Garmin GMA 350 Pilot's Guide - Page 23

D Audio Troubleshooting - installation

Page 23 highlights

GMA 350 Audio Panel 3D Audio Troubleshooting Symptom(s) Cause(s) Solution(s) "3D audio 1) Incorrect aircraft right" message wiring (right channel heard in both used for mono ears. "3D instead of left or left/ audio left" not right swapped) heard 1) See a service center as soon as possible to inspect/correct wiring. This wiring fault can cause fail-safe audio not to function. "3D audio 1) Stereo headset is on left" message backwards heard in right ear only followed by "3D audio right" message heard in left ear only 2) Incorrect aircraft wiring (left/right channels swapped) 1) Verify correct orientation from the left/right indication on each side of the headset or the position of the boom mic (usually attached on left side). If the headset is backwards left/ right position information will be swapped. 2) See a service center as soon as possible to inspect/correct wiring. This wiring fault can cause fail-safe audio not to function. "3D audio left" message heard in left ear only, no audio heard in right ear. 1) Aircraft wired for mono intercom 1) See a service center to wire the installation for stereo headsets. "3D audio 1) Incorrect aircraft right" message wiring (right channel heard in right used for mono ear only, no instead of left, or left/ audio heard in right swapped) left ear 1) See a service center as soon as possible to inspect/correct wiring. This wiring fault can cause fail-safe audio not to function. 3D Audio Troubleshooting 190-01134-12 Rev. C Garmin GMA 350 Pilot's Guide 23

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190-01134-12 Rev. C
Garmin GMA 350 Pilot’s Guide
23
GMA 350 Audio Panel
3D Audio Troubleshooting
Symptom(s)
Cause(s)
Solution(s)
“3D audio
right” message
heard in both
ears.
“3D
audio left” not
heard
1)
Incorrect aircraft
wiring (right channel
used for mono
instead of left or left/
right swapped)
1)
See a service center as soon
as possible to inspect/correct
wiring.
This wiring fault can
cause fail-safe audio not to
function.
“3D audio
left” message
heard in
right ear only
followed by
“3D audio
right” message
heard in left
ear only
1)
Stereo headset is on
backwards
1)
Verify correct orientation from
the left/right indication on
each side of the headset or
the position of the boom mic
(usually attached on left side).
If the headset is backwards left/
right position information will
be swapped.
2)
Incorrect aircraft
wiring (left/right
channels swapped)
2)
See a service center as soon
as possible to inspect/correct
wiring.
This wiring fault can
cause fail-safe audio not to
function.
“3D audio
left” message
heard in left
ear only, no
audio heard in
right ear.
1)
Aircraft wired for
mono intercom
1)
See a service center to wire the
installation for stereo headsets.
“3D audio
right” message
heard in right
ear only, no
audio heard in
left ear
1)
Incorrect aircraft
wiring (right channel
used for mono
instead of left, or left/
right swapped)
1)
See a service center as soon
as possible to inspect/correct
wiring.
This wiring fault can
cause fail-safe audio not to
function.
3D Audio Troubleshooting