Health and Safety Information 99Potentially Explosive EnvironmentsPacemakersPacemaker manufacturers recommend that a minimum distance of 15 cm (6 inches)be maintained between a wireless phone and a pacemaker to avoid potentialinterference with the pacemaker.These recommendations are consistent with the independent research andrecommendations of Wireless Technology Research.Persons with pacemakers:• should always keep the phone more than 15 cm (6 inches) from their pacemakerwhen the phone is switched on.• should not carry the phone in a breast pocket.• should use the ear opposite the pacemaker to minimize potential interference.If you have any reason to suspect that interference is taking place, switch yourphone off immediately.Hearing AidsSome digital wireless phones may interfere with some hearing aids. In the event ofsuch interference, you may wish to consult your hearing aid manufacturer to discussalternatives.Other Medical DevicesIf you use any other personal medical devices, consult the manufacturer of yourdevice to determine if it is adequately shielded from external RF energy. Yourphysician may be able to assist you in obtaining this information. Switch your phoneoff in health care facilities when any regulations posted in these areas instruct you todo so. Hospitals or health care facilities may be using equipment that could besensitive to external RF energy.VehiclesRF signals may affect improperly installed or inadequately shielded electronicsystems in motor vehicles. Check with the manufacturer or its representativeregarding your vehicle. You should also consult the manufacturer of any equipmentthat has been added to your vehicle.Posted FacilitiesSwitch your phone off in any facility where posted notices requireyou to do so.Potentially Explosive Environments