Sennheiser 523983/A01 Headphones User Manual

Safety instructions
y Please read these instructions carefully and
completely before using the headset.
y Make these instructions easily accessible to all users
at all times.
y Always include these instructions when passing the
headset on to third parties.
y During flight operation, do not use the headset for
telephone calls.
y With the NoiseGard™ active noise compensation
switched on, typical aircraft sounds (for example,
those from engines, propellers, warning alarms, etc.)
may sound different to you. Before operating any
aircraft, make sure that, with NoiseGard™ switched
on, you can hear and recognize these sounds. Set the
volume to safe levels that do not interfere with your
ability to hear informational sounds and warning
y The headset is capable of producing sound pressure
levels exceeding 85 dB(A). In many countries 85 dB(A)
is the maximum legally permissible level for
continuous noise exposure during the working day.
Exposure to sounds of higher volume levels or for
longer durations can permanently damage your
y Never repair or attempt to repair a defective headset
yourself. Contact your Sennheiser agent or the
Sennheiser Service Department.