46Important InformationThe software contained in this equipment to allow user access to the network must beupgraded to recognize newly established network area codes and exchange codes as they areplaced into service.Failure to upgrade the premises systems or peripheral equipment to recognize the new codesas they are established will restrict the customer and the customer’s employees from gainingaccess to the network and to these codes.Environment — do not place the unit in rooms where the temperature is less than5 °C (41 °F) or greater than 40 °C (104 °F).Avoid excessive smoke, dust, mechanical vibration, shock, or direct sunlight.Medical — consult the manufacturer of any personal medical devices, such as pacemakers orhearing aids, to determine if they are adequately shielded from external RF (radio frequency)energy. (The unit operates in the frequency range of 2,401 MHz to 2,480 MHz and emits 0.40watts of RF [radio frequency] power.) Do not use the unit in health care facilities if anyregulations posted in the area instruct you not to do so. Hospitals or health care facilities maybe using unit that could be sensitive to external RF (radio frequency) energy.Routine care — wipe the unit with a soft cloth. Do not use benzine, thinner, or any abrasivepowder. When you leave the unit unused for a long period of time, unplug the AC adaptor fromthe outlet.Hearing Aid CompatibilityThis telephone provides magnetic coupling for hearing aids.For Product Service• Panasonic Servicenters are listed in the servicenter directory.• Call 1-800-211-PANA (7262) for the location of an authorized servicenter.• Panasonic’s e-mail address for customer inquiries:consumerproducts@panasonic.comfor customers in the USA or Puerto Rico ONLYWhen you ship the product• Carefully pack your unit, preferably in the original carton.• Attach a letter, detailing the symptom, to the outside of the carton.Symptom• Send the unit to an authorized servicenter, prepaid and adequately insured.• Do not send your unit to the Panasonic Consumer Electronics Company listed on the backcover or to executive or regional sales offices. These locations do not repair anything.