17English EnglishTBR 21This equipment has been approved [Council Decision 98/482/EC - "TBR 21"] for pan-European single terminal connection to the Public Switched Telephone Network (PSTN).However, due to differences between the individual PSTNs provided in differentcountries, the approval does not, of itself, give an unconditional assurance of successfuloperation on every PSTN termination point. In the event of problems, you shouldcontact your equipment supplier in the first instance.Notice for AustraliaFor safety reasons, only connect headsets with a telecommunicationscompliance label. This includes customer equipment previously labelledpermitted or certified.Important safety instructionsRead these instructions carefully. Save them for future reference.1 Follow all warnings and instructions marked on the product.2 Unplug this product from the wall outlet before cleaning. Do not use liquidcleaners or aerosol cleaners. Use a damp cloth for cleaning.3 Do not use this product near water.4 Do not place this product on an unstable cart, stand, or table. The product mayfall, causing serious damage to the product.5 Slots and openings are provided for ventilation; to ensure reliable operation of theproduct and to protect it from overheating. These openings must not be blockedor covered. The openings should never be blocked by placing the product on abed, sofa, rug, or other similar surface. This product should never be placed nearor over a radiator or heat register, or in a built-in installation unless properventilation is provided.6 This product should be operated from the type of power indicated on the markinglabel. If you are not sure of the type of power available, consult your dealer orlocal power company.7 Do not allow anything to rest on the power cord. Do not locate this productwhere persons will walk on the cord.8 If an extension cord is used with this product, make sure that the total ampererating of the equipment plugged into the extension cord does not exceed theextension cord ampere rating. Also, make sure that the total rating of all productsplugged into the wall outlet does not exceed the fuse rating.9 Never push objects of any kind into this product through cabinet slots as they maytouch dangerous voltage points or short out parts that could result in a fire orelectric shock. Never spill liquid of any kind on the product.