Sennheiser 523983/A01 Headphones User Manual

y Only 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.
y Protect 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
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
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.