8
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
Solution
•
Noise reduction
absent
•
Low or no
volume
•
Crackling noise;
intermittent loss
of noise reduction
•
Low rumbling
Reference
No power
to headphone
Audio source
setting
Audio attenuator
connection
Low battery
Poor earcup fit
Ports blocked
Turn unit on;
check battery
Turn source
volume up or set
audio attenuator
on “Hi”
Check connection
at source and
insertion into
the earcup
Replace
battery
Adjust fit on ears
Clear ports
AM257565_00 _V.pdf May 13, 2003
