106 SafetyFollowing Safety GuidelinesTo operate your phone safely and efficiently, always followany special regulations in a given area. Turn your phone off in areaswhere use is forbidden 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 affectinadequately shielded 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 todetermine if these systems are adequately shielded from external RFsignals. Also check with the manufacturer regarding any equipmentthat has been added to your vehicle.Consult the manufacturer of any personal medical devices, such aspacemakers and hearing aids, to determine if they are adequatelyshielded from external RF signals.Note: Always turn off the phone in health care facilities and requestpermission before using the phone near medical equipment.Turning Off Your Phone Before FlyingTurn off your phone before boarding any aircraft. To prevent possibleinterference with aircraft systems, the U.S. Federal AviationAdministration (FAA) regulations require you to have permissionfrom a crew member to use your phone while the plane is on theground. To prevent any risk of interference, FCC regulations prohibitusing your phone while the plane is in the air.