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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
alarms.
y The headset is capable of producing sound pressure exceeding 85 dB(A). 85 dB(A) is
the sound pressure corresponding to the maximum permissible volume which is by
law (in some countries) allowed to affect your hearing for the duration of a working
day. Higher volumes or longer durations can damage your hearing!
y Never repair or attempt to repair a defective headset yourself. Contact your
Sennheiser agent or the Sennheiser Service Department.
y Only replace parts of the headset whose replacement is described in this manual. All
other parts of the headset must be replaced by your Sennheiser agent.