physician or the manufacturer of the medical device todetermine whether they are adequately shielded fromexternal RF energy. Switch off your device whenregulations posted instruct you to do so. Hospitals orhealth care facilities may use equipment sensitive toexternal RF energy.Implanted medical devicesManufacturers of medical devices recommend a minimumseparation of 15.3 centimetres (6 inches) between awireless device and an implanted medical device, such asa pacemaker or implanted cardioverter defibrillator, toavoid potential interference with the medical device.Persons who have such devices should:• Always keep the wireless device more than 15.3centimetres (6 inches) from the medical device.• Not carry the wireless device in a breast pocket.• Hold the wireless device to the ear opposite the medicaldevice.• Turn the wireless device off if there is any reason tosuspect that interference is taking place.• Follow the manufacturer directions for the implantedmedical device.If you have any questions about using your wireless devicewith an implanted medical device, consult your healthcare provider.Hearing aidsSome digital wireless devices may interfere with somehearing aids.VehiclesRF signals may affect improperly installed or inadequatelyshielded electronic systems in motor vehicles such aselectronic fuel injection, electronic antilock braking,electronic speed control, and air bag systems. For moreinformation, check with the manufacturer of your vehicleor its equipment.Only qualified personnel should service the device orinstall the device in a vehicle. Faulty installation or servicemay be dangerous and may invalidate your warranty.Check regularly that all wireless device equipment in yourvehicle is mounted and operating properly. Do not storeor carry flammable liquids, gases, or explosive materialsin the same compartment as the device, its parts, oraccessories. Remember that air bags inflate with greatforce. Do not place your device or accessories in the air bagdeployment area.Switch off your device before boarding an aircraft. The useof wireless teledevices in an aircraft may be dangerous tothe operation of the aircraft and may be illegal.Potentially explosiveenvironmentsSwitch off your device in any area with a potentiallyexplosive atmosphere. Obey all posted instructions. Sparksin such areas could cause an explosion or fire resulting inbodily injury or death. Switch off the device at refuellingpoints such as near gas pumps at service stations. Observerestrictions in fuel depots, storage, and distribution areas;chemical plants; or where blasting operations are inprogress. Areas with a potentially explosive atmosphere106 Product and safety information