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Acoustic Noise Cancelling (ANC) functions

HIGH

Maximum quiet and noise cancellation across the entire spectrum. Best

signal-to-noise ratio for radio and intercom communications in loud aircraft.

MED

Consistent noise reduction across a wide range of frequencies. Best for clear

and comfortable noise cancellation in typical jet aircraft.

LOW

Best for improved interpersonal communication outside of the intercom.

NOTE: To set noise cancellation to LOW on a single earcup, set the

Tap Control switch to ON, and firmly double-tap the earcup.

Secondary audio priority

MUTE

When an intercom signal is detected, secondary audio is temporarily

muted until intercom audio ceases.

MIX

When an intercom signal is detected, secondary audio is mixed with

intercom audio.

OFF

Only intercom audio is active. Secondary audio functionality is disabled.

support.Bose.com/A30

m X s W

Operation switches

REVERSIONARY

Disable all non-critical functions, leaving

only intercom and Acoustic Noise

Cancelling (ANC) enabled. Use during

emergency hardware or software failures.

NOTE: Keep switch in OFF position

TAP CONTROL

Enable/Disable Tap Control feature.

PRIORITY

Select priority between two secondary

audio sources.

INTERCOM

Process audio as Mono or Stereo.

AUTO OFF

Power off automatically after a period

of inactivity.

AUTO ON

Power on automatically when connected

to aircraft power.

NOTES:

• For operation switch details, see the owner's guide.

• Some operation switches are not available on all models.

Framingham, MA 01701-9168 USA

AM876057-0010 Rev. 00

during normal use.