Bose A20 Headphones User Manual


 
15
Tab 6, 14
English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13
Tab 8, 16Tab 7, 15
USING THE HEADSET
Using the control module
Use the control module to control the headset functions. There are two
variations of the module; one featuring Bluetooth
®
wireless technology and one
that has basic functions only.
Power button
Use the power button to turn Acoustic Noise Cancelling
®
on or off, and control
indicator brightness.
Press the power button once to turn on Acoustic Noise Cancelling noise
reduction.
Press and hold the power button for 1-2 seconds to turn off Acoustic Noise
Cancelling noise reduction.
Note: Repeated pressing of the power button will not hasten the power off event.
If the unit does not power off, wait 3 seconds and press the power button again.
Bluetooth
Bluetooth
Bluetooth control module Conventional control module
Left/Right volume controls*
Power button
Power indicator
indicator
Bluetooth
Bluetooth
Auxiliary (AUX)
function button
Volume Up button
Volume Down button
*Control the intercom volume
Multifunction
switch:
Top
Intercom
prioritized
Middle
Intercom
mixed
Bottom
Intercom
only
Audio Priority
switch:
Top
Intercom
prioritized
Middle
Intercom
mixed
Bottom
Intercom
only
audio input
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