Sennheiser Set 880 Instruction manual Set 880 - Page 4
Safety instructions for lithium polymer, rechargeable batteries
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Important safety instructions - during lightning storms or - when not using the product for long periods of time. E Always ensure that the power supply unit is - in a safe operating condition and easily accessible, - properly plugged into the wall socket, - only operated within the permissible temperature range, - not exposed to direct sunlight for longer periods of time in order to prevent heat accumulation. E Varnish or furniture polish may degrade the feet of the transmitter, which could stain your furniture. You should therefore place the transmitter on a non-slip pad to avoid potential staining of furniture. E Do not operate the product near heat sources. E Clean the product only with a soft, dry cloth. E Use only attachments/accessories/spare parts supplied or recommended by Sennheiser. Safety instructions for lithium polymer rechargeable batteries WARNING If abused or misused, the standard/rechargeable batteries may leak. In extreme cases, they may even present a risk of • explosion, • fire development, • heat generation, • smoke or gas development. Switch rechargeable battery-powered products off after use. Do not charge a product with a built-in rechargeable battery if the product is obviously defective. Only use rechargeable batteries and chargers recommended by Sennheiser. Only charge rechargeable batteries at ambient temperatures between 5 to 40 °C/41 to 104 °F. When not using rechargeable batteries for extended periods of time, charge them regularly (about every three months). Do not heat above 70 °C/158 °F, e.g. do not expose to sunlight or throw into a fire. Dispose of batteries/rechargeable batteries at special collection points or return them to your specialist dealer. 4 | Set 880