Sennheiser BW900 Safety Information Manual

Safety information

Intended use
The BW 900 system is an accessory
for fi xed-line and mobile phones,
allowing for wireless communication
in offi ce and home offi ce
applications.
The headset is capable of
producing high sound pressure
levels that may cause permanent
hearing damage. Please avoid
listening at high volume levels.
Never disassemble or modify
components of the BW 900
system!
Use the BW 900 system in dry
rooms only and keep liquids and
small electrically conductive parts
away from it. Only to be used
with Sennheiser Communications
supplied approved and certifi ed
power supply (EU 094707,
UK 092892, US 092893,
AUS 520334).
For cleaning the BW 900 system,
use a dry cloth only. Do not use
any solvents or cleansing agents.
Sennheiser Communications
does not accept any liability for
damage arising from the loss of
connection due to a fl at battery or
the like or an exceeded transmit-
ting range.
If you combine the BW 900 sys-
tem with any accessories such as
a handset lifter, follow the instruc-
tions supplied with them.
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Improper use
"Improper use" means using the
BW 900 system other than as
described in these instructions, or
under operating conditions which
differ from those described herein.
Safety information on recharge-
able batteries:
• Only charge at ambient tempera-
tures between 10 °C (50 °F) and
40 °C (104 °F).
• Only charge in the BW 900 base
station! Never try to charge bat-
teries other than those supplied
with the BW 900 headset in the
base station!
• Do not short-circuit or expose to
moisture.
• Keep away from children.
• When not using rechargeable
batteries for extended periods
of time, charge them regularly
(about every three months).
• Do not continue to use defective
rechargeable batteries. Immedi-
ately remove rechargeable bat-
teries from obviously defective
devices.
• Do not heat above 70 °C (158 °F)
or incinerate!
• Dispose of according to the laws
and regulations of your country.
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