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Section 20
114 Knowing Performance and Safety Guidelines
Using Your Phone Near Other Electronic Devices
Most modern electronic equipment is shielded from radio frequency (RF) signals.
However, RF signals from wireless phones may affect inadequately shielded electronic
equipment.
RF signals may affect improperly installed or inadequately shielded electronic
operating and entertainment systems in motor vehicles. Check with the
manufacturer or its representative to determine if these systems are adequately
shielded from external RF signals. Also check with the manufacturer regarding any
equipment that has been added to your vehicle.
Consult the manufacturer of any personal medical devices, such as pacemakers and
hearing 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 before
using the phone near medical equipment.
Turning Off Your Phone Before Flying
Turn off your phone before boarding any aircraft. To prevent possible interference
with aircraft systems, the U.S. Federal Aviation Administration (FAA) regulations
require you to have permission from a crew member to use your phone while the
plane is on the ground. To prevent any risk of interference, FCC regulations prohibit
using your phone while the plane is in the air.
Turning Off Your Phone in Dangerous Areas
To avoid interfering with blasting operations, turn off your phone when in a blasting
area or in other areas with signs indicating that two-way radios should be turned off.
Construction crews often use remote-control RF devices to set off explosives.
Turn off your phone when you’re in any area that has a potentially explosive
atmosphere. Although it’s rare, your phone or its accessories could generate sparks.
Sparks could cause an explosion or a fire resulting in bodily injury or even death.
These areas are often, but not always, clearly marked. They include:
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Fueling areas such as gas stations
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Below deck on boats
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Fuel or chemical transfer or storage facilities
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Areas where the air contains chemicals or particles such as grain, dust or
metal powders
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Any other area where you would normally be advised to turn off your
vehicle engine
Note: Never transport or store flammable gas, liquid or explosives in the compartment of
your vehicle that contains your phone or accessories.
Restricting Children’s Access to Your Phone
Your phone is not a toy. Children should not be allowed to play with it because they
could hurt themselves and others, damage the phone or make calls that increase your
phone bill.