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Important safety instructions
Safety instructions for NiMH rechargeable batteries
If abused or misused, rechargeable batteries may leak. In extreme cases, they may
even present
Sennheiser does not accept any liability for damage arising from abuse or misuse.
Intended use
Intended use includes:
• using the products for professional purposes,
• having read and understood this instruction manual, especially the chapter
“Important safety instructions” on page 2,
• using the products within the operating conditions and limitations described in
this instruction manual.
“Improper use” means using the products other than as described in this instruc-
tion manual, or under operating conditions which differ from those described
herein.
•a heat hazard,
•a fire hazard,
•an explosion hazard,
• a smoke or gas hazard.
Keep away from children. Only use rechargeable batteries
recommended by Sennheiser.
Observe correct polarity. Do not short-circuit.
Do not expose to moisture. Switch rechargeable battery-
powered products off after use.
Do not pack charged bat-
teries loose – danger of
shorting out/fire hazard.
When not using rechargeable bat-
teries for extended periods of time,
charge them regularly (about every
three months).
Only charge rechargeable
batteries at ambient
temperatures between
10°C/50°F and
40°C/104°F.
Do not heat above 70°C/158°F,
e.g. do not expose to sunlight or
throw into a fire.
Do not mutilate or
dismantle.
Do not continue to use defective
rechargeable batteries.
Immediately remove
rechargeable batteries
from an obviously defec-
tive product.
Dispose of rechargeable batteries
at special collection points or
return them to your specialist
dealer.
Store the product in
a cool and dry place at
room temperature
(approx. 20°C/68°F).
Only charge rechargeable batteries
with a charger recommended by
Sennheiser.
Remove the rechargeable batteries if the product will not be used for
extended periods of time.