Bose PROFLIGHT 2 Serie Notice D'utilisation page 21

Acoustic Noise Cancellation reduces unwanted noise providing a clearer, more lifelike
audio performance. You can choose your noise cancellation based on your listening
preferences and environment.
NOTE: When you receive a call, the headset remains at the current noise
cancellation level.
ACOUSTIC NOISE CANCELLING FUNCTIONS
The Acoustic Noise Cancelling switch is located on the front of the control module.
FUNCTION POSITION
High
Medium
Low
ACOUSTI C N OI S E CAN CE L L ATI O N
Acoustic Noise Cancelling switch
DESCRIPTION
Maximum quiet and noise cancellation across the entire
spectrum. Best signal-to-noise ratio for radio and intercom
communications in loud aircraft.
Consistent noise reduction across a wide range of
frequencies. Best for clear and comfortable noise cancellation
in typical jet aircraft.
Best for improved interpersonal communication outside of
the intercom.
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