Sennheiser Set 840-TV Instructions for use - Page 6

Safety instructions Intended use Intended use includes • having read this instruction manual, especially the chapter "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 instruction manual, or under operating conditions which differ from those described herein. Safety instructions for the Lithium-Polymer rechargeable battery The BA 300 is a Lithium-Polymer 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. Only charge rechargeable batteries with the appropriate Sennheiser chargers. Return defective devices or exhausted rechargeable batteries to your specialist dealer. Do not short-circuit. Do not mutilate or dismantle. Store the devices/ rechargeable batteries in a cool and dry place at room temperature. Do not heat above 70°C/158°F, e.g. do not expose to sunlight or throw into a fire. When not using the rechargeable battery for extended periods of time, charge it regularly (every 6 months for about 1 hour). Only charge rechargeable batteries at ambient temperatures between 10°C/50°F and 40°C/104°F. Do not charge the rechargeable battery if the device is obviously defective. Do not expose to moisture. 3