yOnly replace those parts of the headset whose replacement is described in this manual. All other parts of the headset must be replaced by your Sennheiser agent.
yProtect the headset from humidity. Use only a slightly damp cloth to clean the headset. For information on how to clean the headset, contact your Sennheiser agent.
Intended use of the headset
Intended use includes:
•having read this instruction manual especially the chapter “Safety instructions”.
•using the headset in jet aircraft and within the operating conditions as described in this instruction manual.
Improper use
Improper use means using the headset other than as described in this instruction manual, or under operating conditions which differ from those described herein.
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