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 n6917. Additional safety information■ Operating environmentRemember to follow any specialregulations in force in any area andalways switch off your device when itsuse is prohibited or when it may causeinterference or danger. Use the deviceonly in its normal operating positions. Tomaintain compliance with radiofrequency exposure guidelines only useenhancements approved by Nokia for usewith this device. When the device is onand being worn on the body, always usean approved holder or carrying case.■ Medical devicesOperation of any radio transmittingequipment, including wireless phones,may interfere with the functionality ofinadequately protected medical devices.Consult a physician or the manufacturerof the medical device to determine if theyare adequately shielded from external RFenergy or if you have any questions.Switch off your phone in health carefacilities when any regulations posted inthese areas instruct you to do so.Hospitals or health care facilities may beusing equipment that could be sensitiveto external RF energy.PacemakersPacemaker manufacturers recommendthat a minimum separation of 6 in. (15.3cm) be maintained between a wirelessphone and a pacemaker to avoidpotential interference with thepacemaker. These recommendations areconsistent with the independent researchby and recommendations of WirelessTechnology Research. Persons withpacemakers should:• always keep the device more than 6in. (15.3 cm) from their pacemakerwhen the device is switched on;• not carry the device in a breastpocket; and• hold the device to the ear oppositethe pacemaker to minimise thepotential for interference.If you have any reason to suspect thatinterference is taking place, switch offyour device immediately.Hearing aidsSome digital wireless devices mayinterfere with some hearing aids. Ifinterference occurs, consult your serviceprovider.■ Potentially explosiveenvironmentsSwitch off your device when in any areawith a potentially explosive atmosphereand obey all signs and instructions.Potentially explosive atmospheresinclude areas where you would normallybe advised to turn off your vehicleengine. Sparks in such areas could causean explosion or fire resulting in bodilyinjury or even death. Switch off thedevice at refuelling points such as neargas pumps at service stations. Observerestrictions on the use of radioequipment in fuel depots, storage, anddistribution areas, chemical plants orwhere blasting operations are inprogress. Areas with a potentially