The Battery Compartment; Opening The Battery Compartment; The Operation Switches - Bose A20 Owner's Manual

The battery compartment

The Bose A20 Aviation Headset is shipped with factory-set operation defaults.
® ®
If you want to alter these defaults, you can change the operation switches located
inside the control module battery compartment. If you do not want to change any
of the operation switches, skip ahead to "Inserting and replacing the batteries" on
page 12.
Note: For aircraft-powered versions (5-pin XLR, 6-pin, 8-pin) batteries are not required
for operation.

Opening the battery compartment

You must open the battery compartment to access the operation switches. Press
down firmly on the battery compartment cover finger indent and slide the cover
down. The cover is tethered to the module. Do not attempt to detach it.
Note: The battery compartment cover is designed to remain securely closed. You may
need to use additional force when pressing down and releasing cover.

The operation switches

The operation switches control the Auto Off and Stereo/Mono functions.
Operation switches
To change the operation switches
1.
Open the battery compartment.
2.
If batteries are installed, remove them. In the battery compartment, you can
observe and change the switch positions.
Preparing the Headset for Use
English - 11