Bose A30 - Fit Conditions and Cable Management

IMPORTANCE OF PROPER FIT
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ENG
IMPORTANCE OF PROPER FIT
CONDITIONS RELATED TO FIT
In very loud conditions, such as during takeo, you may experience a brief reduction
in noise cancellation as the headset compensates for a momentary pressure
change. If this continues when the sound level returns to normal, see “Acoustic Noise
Cancelling” on page 23. If it persists, see “Troubleshooting” on page 54.
A low rumbling sound or frequent, brief losses of noise cancellation may indicate
an improper fit or blocked earcup openings. See “Clean the headset” on page 48
for instructions on removing blockages.
During a long flight, you may feel a slight pressure point, which can be relieved by
adjusting the headband position.
SECURE THE CABLE AND CONTROL MODULE
The cable clips and control module holder secure the cable and control module to
your clothing, a safety harness, sun visor rail, or aircraft headset hook for quick and
easy access.
Cable clips
Squeeze the narrow end of the clip to open. Press the side button to release and
reposition the clip along the cable.
Side button
Control module holder
Stretch the holder over the back of the control module to secure it in place.