Section 4A: Safety Guidelines 167manufacturer or their representative to determine if these systems are adequatelyshielded from external RF signals. Also check with the manufacturer regarding anyequipment that has been added to your vehicle.Consult the manufacturer of any personal medical devices, such as pacemakers andhearing aids, to determine if they are adequately shielded from external RF signals.Note: Always turn off the phone in health care facilities and request permission beforeusing the phone near medical equipment.Turning Off Your Phone Before FlyingTurn off your phone before boarding any aircraft. To prevent possible interferencewith aircraft systems, the U.S. Federal Aviation Administration (FAA) regulationsrequire you to have permission from a crew member to use your phone while theplane is on the ground. To prevent any risk of interference, FCC regulations prohibitusing your phone while the plane is in the air.Turning Off Your Phone in Dangerous AreasTo avoid interfering with blasting operations, turn your phone off when in a blastingarea or in other areas with signs indicating two-way radios should be turned off.Construction crews often use remote-control RF devices to set off explosives.Turn your phone off when you're in any area that has a potentially explosiveatmosphere. Although it's rare, your phone and accessories could generate sparks.Sparks can cause an explosion or fire, resulting in bodily injury or even death. Theseareas are often, but not always, clearly marked. They include: Fueling areas such as gas stations. Below deck on boats. Fuel or chemical transfer or storage facilities. Areas where the air contains chemicals or particles such as grain, dust, ormetal powders. Any other area where you would normally be advised to turn off yourvehicle’s engine.Note: Never transport or store flammable gas, liquid, or explosives in the compartment ofyour vehicle that contains your phone or accessories.Restricting Children’s Access to your PhoneYour Sprint PCS Phone is not a toy. Children should not be allowed to play with itbecause they could hurt themselves and others, damage the phone or make callsthat increase your phone bill.
