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190-01255-00 Rev. B
Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
132
AUDIO PANEL AND CNS
Symptom(s) Cause(s) Solution(s)
“3D audio left” message
heard in both ears.
“3D audio right” message
not heard
1)
Mono headset in use 1) Use a stereo headset
2)
Stereo headset in use with
mono/stereo switch set to
‘mono’
2) Set mono/stereo switch on headset to ‘stereo’
3)
Aircraft wiring has left audio
wired to both left and right
channels of stereo headset jack
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.
“3D audio left” message
heard in both ears,
followed by “3D audio
right” message heard in
both ears
1)
Mono headset in use 1) Use a stereo headset
2)
Stereo headset in use with
mono/stereo switch set to
mono
2) Set mono/stereo switch on headset to ‘stereo’
3)
Incorrect aircraft wiring (left/
right shorted together)
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.
“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