Sennheiser 830S Manuel D’Utilisation

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 Safety instructions
Intended use of the devices
Intended use includes:
• having read this instruction manual, especially the chapter “Safety
instructions”,
• using the devices within the operating conditions and limitations
described in this instruction manual.
“Improper use” means using the devices other than as described in this
instructions, or under operating conditions which differ from those
described herein.
Safety instructions for the Lithium-Ion rechargeable battery
The BA 300 is a Lithium-Ion rechargeable battery. If abused or misused,
this rechargeable battery may be damaged. Please understand that
Sennheiser does not accept liability for damage arising from abuse or
misuse. 
WARNING!
In extreme cases, the rechargeable battery may even
present a
• heat  hazard
• fire  hazard
• explosion hazard
• smoke  and  gas  hazard
Do not heat above 
70°C/158°F, e.g. do 
not expose to sunlight 
or throw into a fire.
Only charge rechargeable 
batteries with the appro-
priate Sennheiser chargers. 
Do not expose to 
moisture.
When not using the 
rechargeable battery for 
extended periods of time, 
charge it regularly 
(every six months for 
about one hour).
Do not short-circuit.
Only charge rechargeable 
batteries at ambient 
temperatures between 
10°C and 40°C.
Do not mutilate or 
dismantle.
Do not charge the 
rechargeable battery if 
the device is obviously 
defective. 
!
Store the devices/ 
rechargeable batteries 
in a cool and dry place 
at room temperature.
Return defective devices 
or devices with defective 
rechargeable batteries to 
your specialist dealer.