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
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