The Battery Compartment; Opening The Battery Compartment; The Operation Switches; Changing The Operation Switches - Bose A20 Guia Del Usuario

The battery compartment

The 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.

Opening the battery compartment

Press down firmly on the 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 extra force when pressing down and releasing the cover.

The operation switches

The operation switches control: Priority (BT-AUX); Intercom (MON-ST); Auto On
feature; and Auto Off feature. For details see the table on page 12.

Changing 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.
3. To change a switch position, use a pen or a small, flat-tipped screwdriver to
gently move the switch.
Preparing the Headset for Use
ON - OFF
• The Auto On feature is only

AUTO ON

available for aircraft powered

AUTO OFF

ON - OFF
versions.
• The Intercom (MON-ST)
option is only available for
headset configurations that
support two-channel or
stereo intercom systems.
• The Priority (BT-AUX)
ON - OFF
AUTO ON
AUTO OFF
ON - OFF option is only available for
Bluetooth headsets.
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