Bose QC 2 Podręcznik użytkownika - Strona 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
8
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