Bose A30 Aviation English Quick Start Guide - Page 4

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 during normal use. 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. 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. w support.Bose.com/A30 m X s W ©2023 Bose Corporation, 100 The Mountain Road Framingham, MA 01701-9168 USA AM876057-0010 Rev. 00