Stereo/Mono Switch; Led Power Indicator - Bose Aviation Headset X Owner's Manual

Operating the battery powered headset (cont.)

Stereo/mono switch

The stereo/mono switch is provided only on the general aviation,
battery powered headsets.
The battery powered versions of the headset are shipped from the
factory in the MONO setting. If your audio or intercom communications
system is in stereo, be sure to set the switch to stereo (see A in
Figure 5).
Figure 5
Battery powered
control module:
A. Stereo/mono switch
B. ON/OFF switch
C. Volume control
D. LED power indicator

LED power indicator

The LED, located on the control module, indicates power status as follows:
LED Color LED Illumination
Green Blinking
Red/Green Blinking
Off None
Using the Bose
To headset
A
C
D
Indication
Power ON or battery normal
Battery low (less than 5 hours use remaining)
Power OFF or battery discharged
®
Aviation Headset X
To communications/
B
audio panel
15