A d d i t i o n a l s a f e t y i n f o r m a t i o n104Additional safety information■ Operating environmentRemember to follow any special regulations in force in any area and alwaysswitch off your device when its use is prohibited or when it may causeinterference or danger. Use the device only in its normal operating positions.To maintain compliance with radio frequency exposure guidelines only useenhancements approved by Nokia for use with this device. When the device is onand being worn on the body, always use an approved carrying case.■ Medical devicesOperation of any radio transmitting equipment, including wireless phones, mayinterfere with the functionality of inadequately protected medical devices.Consult a physician or the manufacturer of the medical device to determine ifthey are adequately shielded from external RF energy or if you have anyquestions. Switch off your phone in health care facilities when any regulationsposted in these areas instruct you to do so. Hospitals or health care facilities maybe using equipment that could be sensitive to external RF energy.PACEMAKERSPacemaker manufacturers recommend that a minimum separation of 6 in(15.3 cm) be maintained between a wireless phone and a pacemaker to avoidpotential interference with the pacemaker. These recommendations areconsistent with the independent research by and recommendations of WirelessTechnology Research. To minimize the potential for interference, persons withpacemakers should• Always keep the device more than 6 inches (15.3 cm) from their pacemakerwhen the device is switched on• Not carry the device in a breast pocket• Hold the device to the ear opposite the pacemakerIf you have any reason to suspect that interference is taking place, switch offyour device immediately.HEARING AIDsSome digital wireless devices may interfere with some hearing aids. Ifinterference occurs, consult your service provider.