Garmin GMA 345 3-COM Pilot's Manual page 22

GMA 345 3-COM Audio Panel
"3D audio right"
message heard in
both ears. "3D
audio left" not
heard
"3D audio left"
message heard
in right ear only
followed by "3D
audio right"
message heard in
left ear only
"3D audio left"
message heard in
left ear only, no
audio heard in
right ear.
"3D audio right"
message heard
in right ear only,
no audio heard in
left ear
22
3D Audio Troubleshooting
1) Incorrect aircraft
wiring (right channel
used for mono
instead of left or
left/right swapped)
1) Stereo headset is on
backwards
2) Incorrect aircraft
wiring (left/right
channels swapped)
1) Aircraft wired for
mono intercom
1) Incorrect aircraft
wiring (right channel
used for mono
instead of left, or
left/right swapped)
3D Audio Troubleshooting
Garmin GMA 345 3-COM Pilot's Guide
1) See a service center as soon as
possible to inspect/correct wiring.
This wiring fault can cause fail-safe
audio not to function.
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,
the 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.
1) See a service center to wire the
installation for stereo headsets.
1) See a service center as soon as
possible to inspect/correct wiring.
This wiring fault can cause fail-safe
audio not to function.
190-01878-05 Rev. A