Bose A20 Aviation Quick reference guide - Page 2

Basic operating information The battery compartment Press down firmly on the battery compartment cover and slide the cover down to release. Note: The battery compartment cover is designed to stay securely closed during operation. You may need to use additional force when pressing down and releasing cover. The operation switches - located in battery compartment Switch Options Purpose 1. Auto Off function ON, OFF Set at the factory to enable the Auto Off function. The Default: ON headset will turn off after 3 to 9 minutes of inactivity. To (Auto Off enabled) disable Auto Off, set the switch to OFF. With the switch in OFF position, the Acoustic Noise Cancelling® system will not turn off until you press and hold the power button for at least one second. 2. Mono/Stereo MONO, STEREO Set it for stereo if your aircraft has a stereo intercom. selection Default: MONO Power indicator The power indicator changes color to indicate the power status, as follows: Indicator color Power source Type of light Green Green Amber Aircraft Battery Battery Slow flashing Flashing Fast flashing Red Battery Faster flashing Off None None Indicates Power ON Power ON and batteries good Power ON, but batteries low (8 hours or less remaining) Power ON, but batteries very low (2 hours or less remaining)* Power OFF or batteries depleted *Bluetooth® wireless technology is disabled to conserve the remaining power once the battery reaches this level. The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., and any such use by Bose Corporation is under license. All other marks are property of Bose Corporation. ©2010 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA AM325455 Rev.02