179• Should turn the mobile device OFF immediately if there is any reasonto suspect that interference is taking place;• Should read and follow the directions from the manufacturer of yourimplantable medical device. If you have any questions about usingyour wireless mobile device with an implantable medical device,consult your health care provider.For more information see: http://www.fcc.gov/oet/rfsafety/rf-faqs.html#.Other Medical DevicesIf you use any other personal medical devices, consult themanufacturer of your device to determine if it is adequatelyshielded from external RF energy. Your physician may be able toassist you in obtaining this information. Switch your mobiledevice off in health care facilities when any regulations posted inthese areas instruct you to do so. Hospitals or health carefacilities may be using equipment that could be sensitive toexternal RF energy.VehiclesRF signals may affect improperly installed or inadequatelyshielded electronic systems in motor vehicles. Check with themanufacturer or its representative regarding your vehicle beforeusing your mobile device in a motor vehicle. You should alsoconsult the manufacturer of any equipment that has been addedto your vehicle.Posted FacilitiesSwitch your mobile device off in any facility where posted noticesrequire you to do so.Potentially Explosive EnvironmentsSwitch your mobile device off when in any area with a potentiallyexplosive atmosphere and obey all signs and instructions. Sparksin such areas could cause an explosion or fire resulting in bodilyinjury or even death. Users are advised to switch the mobiledevice off while at a refueling point (service station). Users arereminded of the need to observe restrictions on the use of radioequipment in fuel depots (fuel storage and distribution areas),chemical plants, or where blasting operations are in progress.Areas with a potentially explosive atmosphere are often, but notalways, clearly marked. They include below deck on boats,chemical transfer or storage facilities, vehicles using liquefiedpetroleum gas (such as propane or butane), areas where the aircontains chemicals or particles, such as grain, dust, or metalpowders, and any other area where you would normally beadvised to turn off your vehicle engine.FCC Hearing Aid Compatibility (HAC)Regulations for Wireless DevicesOn July 10, 2003, the U.S. Federal Communications Commission(FCC) Report and Order in WT Docket 01-309 modified theexception of wireless mobile devices under the Hearing Aid