Bose QC 2 Manuel de l'utilisateur - Page 8

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Reference

Cleaning the headphones

Scheduled cleaning is not required. However, you can

simply wipe the outside surfaces with a damp cloth, as

needed. Also, be sure that the earcup ports are clear and

that no moisture is allowed into the earcups.

Troubleshooting

Problem

Possible Cause

• Noise reduction

No power

absent

to headphone

• Low or no

Audio source

volume

setting

Audio attenuator

connection

• Crackling noise;

Low battery

intermittent loss

of noise reduction

• Low rumbling

Poor earcup fit

Ports blocked

Solution

Turn unit on;

check battery

Turn source

volume up or set

audio attenuator

on "Hi"

Check connection

at sou rce and

insertion into

the earcup

Replace

battery

Adjust fit on ears

Clear ports