Section 4A: Important Safety Information 233Important Safety InformationFollowing Safety GuidelinesTo operate your phone safely and efficiently, always follow any specialregulations in a given area. Turn your phone off in areas where use isforbidden or when it may cause interference or danger.Using Your Phone Near Other Electronic DevicesMost modern electronic equipment is shielded from radio frequency (RF)signals. However, RF signals from wireless phones may affect inadequatelyshielded electronic equipment.RF signals may affect improperly installed or inadequately shieldedelectronic operating systems and/or entertainment systems in motorvehicles. Check with the manufacturer or their representative to determineif these systems are adequately shielded from external RF signals. Alsocheck with the manufacturer regarding any equipment that has beenadded to your vehicle.Consult the manufacturer of any personal medical devices, such aspacemakers and hearing aids, to determine if they are adequately shieldedfrom external RF signals.Turning Off Your Phone Before FlyingTurn off your phone before boarding any aircraft. To prevent possibleinterference with aircraft systems, the U.S. Federal Aviation Administration(FAA) regulations require you to have permission from a crew member touse your phone while the plane is on the ground. To prevent any risk ofinterference, FCC regulations prohibit using your phone while the plane isin the air.Turning Off Your Phone in Dangerous AreasTo avoid interfering with blasting operations, turn your phone off when ina blasting area or in other areas with signs indicating two-way radiosshould be turned off. Construction crews often use remote-control RFdevices to set off explosives.Turn your phone off when you're in any area that has a potentiallyexplosive atmosphere. Although it's rare, your phone and accessories couldgenerate sparks. Sparks can cause an explosion or fire, resulting in bodilyinjury or even death. These areas are often, but not always, clearly marked.They include: Fueling areas such as gas stations. Below deck on boats.Note: Always turn off the phone in health-care facilities and requestpermission before using the phone near medical equipment.
