D Audio Troubleshooting - Garmin Beil 407GX Cockpit Reference Manual

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
"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
190-01254-00 Rev. B

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)
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)
Garmin G1000H Cockpit Reference Guide for the Bell 407GX
™
Nav/Com/XPDR/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.
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
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.
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