Bose Corporation 416317 Manual De Usuario

 Troubleshooting

Look for the problem in the left column of the table, then follow the “What to do” 

instructions in the right column. If the problem persists, contact Bose using the 

contact information on page 41 of this guide for assistance.
Warning:   Do not attempt to disassemble or service the inside of the earcups or 

other parts of the headset. Only the boom microphone cable, access 

cover, batteries, windscreen, headband cushion, and ear cushions are 

replaceable by the user. For instructions on how to care for and maintain 

the headset, see “Headset Care and Maintenance” on page 25. 

Communication, 

but no Acoustic 

Noise Cancelling

®

 

noise reduction 

in either ear

•  Make sure the headset is turned on. 
•  On the control module, check the power indicator. See page 18.
•  If using aircraft power, check the aircraft fuse or circuit breaker.
•  If using battery power, make sure the batteries are fresh and 

 correctly  installed.

Warning:   Replace batteries with alkaline batteries only. Do not use 

any other battery chemistries.

No active 

Acoustic Noise 

Cancelling noise 

reduction and no 

communication

•  Make sure the headphone plugs are securely inserted into the panel 

connectors.

•  Try using the headset in a different seat location.
•  Remove the microphone assembly from the headset and check for 

Acoustic Noise 

Cancelling noise 

reduction, but no 

incoming audio

•  On the control module, make sure the volume controls are not set 

too low. See “Intercom volume controls” on page 18.

•  On the intercom/radio, make sure the volume controls are not set 

too low.

•  Make sure the headset is firmly connected to the aircraft panel.
•  Try a different seat location in the aircraft.