Bose A20 Aviation User manual

Bose®A20™Aviation Headset
QUICK REFERENCE GUIDE
Pairing the Headset with your Bluetooth mobile phone
1. Make sure the headset is powered on, and that the multifunction switch
(Aabove) is in the Top or Middle position.
2. Press the Bluetooth function button (B above) to activate Bluetooth.
If this is the first time you’ve activated or are attempting to pair
Bluetooth,theBluetooth indicator will flash at a slow rate alternat-
ing with the Power indicator. This indicates that the headset is in
“discoverable” mode and ready to be paired to a cell phone.
If the Bluetooth indicator does not flash alternately with the Power indicator
flash or you are trying to pair a headset that has previously been paired with
another phone, you will need to press and hold the Bluetooth function
button for 5 seconds in order to put the headset into “discoverable” mode.
3. Set your phone to “discover” the Bose A20 Aviation Headset
Select “BOSE A20” on the phone.**
4. If asked for a passkey or PIN, enter 0000 (four zeros).
When pairing is complete, the Bluetooth indicator light and the green power
indicator light on the control module will flash in unison.
**Controls the intercom volume.
**For additional information on using the headset with a mobile phone, complete use instructions, and
important safety information, refer to the supplied Bose A20 Aviation Headset Owner’s Guide.
Bluetooth®control module Conventional control module
Left/Right volume controls*
Power button
Power indicator
Ai
Multifunction
switch:
Top
Intercom
prioritized
Middle
Intercom
mixed
Bottom
Intercom
only
Audio Priority
switch:
Top
Intercom
prioritized
Middle
Intercom
mixed
Bottom
Intercom
only
Bluetooth Volume Up
Bluetooth Volume down
C
Bluetooth Indicator
Bii iiiiiiii
Bluetooth
function button
Auxiliary (AUX) audio input

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
Power indicator
The power indicator changes color to indicate the power status, as follows:
*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.
Switch Options Purpose
1. Auto Off
function
ON, OFF
Default: ON
(Auto Off enabled)
Set at the factory to enable the Auto Off function. The
headset will turn off after 3 to 9 minutes of inactivity. To
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
selection
MONO, STEREO
Default: MONO
Set it for stereo if your aircraft has a stereo intercom.
Indicator color Power source Type of light Indicates
Green Aircraft Slow flashing Power ON
Green Battery Flashing Power ON and batteries good
Amber Battery Fast flashing Power ON, but batteries low
(8 hours or less remaining)
Red Battery Faster flashing Power ON, but batteries very low
(2 hours or less remaining)*
Off None None Power OFF or batteries depleted
©2010 Bose Corporation, The Mountain,
Framingham, MA 01701-9168 USA
AM325455 Rev.02