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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