Pioneer SE-NC21M Operating Instructions Manual page 11

About use of headphones
• Do not subject headphones to dropping, striking, or other
severe impacts, since damage may result.
• To ensure high quality sound reproduction, keep the plug
clean by wiping occasionally with a soft clean cloth.
• In the event of a malfunction, or if a foreign object becomes
lodged in the headphones, turn off the power and consult
your dealer or Pioneer service station.
• During use of the headphones, if you sense an allergic
reaction (rash, etc.), stop using the headphones
immediately.
• This product has been designed to reduce noise and
enhance your listening experience. It has not been designed
for pilot use or for inflight communications as designated by
the FAA (Federal Aviation Administration). Do not use this
product for purposes other than those for which it was
designed.
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