Enabling 3D Audio - Garmin GMA 345 3-COM Pilot's Manual

ENABLING 3D AUDIO

Press and hold the PILOT Key to toggle 3D audio processing on and off
for all headset positions. When 3D Audio is enabled, the aural message
"3D audio left" is heard in the left ear followed by "3D audio right" in the
right ear. If the aural messages are not heard in only the left and then the
right ear respectively, the cause may be aircraft wiring or headset settings.
Refer to the following table if a headset or aircraft wiring problem is
suspected.
Symptom(s)
"3D audio left"
message heard in
both ears.
"3D audio right"
message not
heard
"3D audio left"
message heard
in both ears,
followed by "3D
audio right"
message heard in
both ears
190-01878-05 Rev. A
3D Audio Troubleshooting
Cause(s)
1) Mono headset in
use
2) Stereo headset in
use with mono/
stereo switch set to
'mono'
3) Aircraft wiring has
left audio wired to
both left and right
channels of stereo
headset jack
1) Mono headset in
use
2) Stereo headset in
use with mono/
stereo switch set to
mono
3) Incorrect aircraft
wiring (left/right
shorted together)
Garmin GMA 345 3-COM Pilot's Guide
GMA 345 3-COM Audio Panel
Solution(s)
1) Use a stereo headset
2) Set mono/stereo switch on headset
to 'stereo'
3) If after checking solutions #1 and
#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) Use a stereo headset
2) Set mono/stereo switch on headset
to 'stereo'
3) If after checking solutions #1 and
#2 see a service center as soon as
possible to inspect/correct wiring.
This wiring fault can cause fail-safe
audio not to function.
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