Nokia N72 User Manual page 121

If you suspect interference, switch off your device, and move
the device away.
Hearing aids
Some digital wireless devices may interfere with some hearing
aids. If interference occurs, consult your service provider.
Vehicles
RF signals may affect improperly installed or inadequately
shielded electronic systems in motor vehicles such as
electronic fuel injection systems, electronic antiskid (antilock)
braking systems, electronic speed control systems, and air bag
systems. For more information, check with the manufacturer,
or its representative, of your vehicle or any equipment that has
been added.
Only qualified personnel should service the device, or install
the device in a vehicle. Faulty installation or service may be
dangerous and may invalidate any warranty that may apply to
the device. Check regularly that all wireless device equipment
in your vehicle is mounted and operating properly. Do not store
or carry flammable liquids, gases, or explosive materials in the
same compartment as the device, its parts, or enhancements.
For vehicles equipped with an air bag, remember that air bags
inflate with great force. Do not place objects, including
installed or portable wireless equipment in the area over the
air bag or in the air bag deployment area. If in-vehicle wireless
equipment is improperly installed, and the air bag inflates,
serious injury could result.
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Using your device while flying in aircraft is prohibited.
Switch off your device before boarding an aircraft. The use of
wireless teledevices in an aircraft may be dangerous to the
operation of the aircraft, disrupt the wireless telephone
network, and may be illegal.
Potentially explosive environments
Switch off your device when in any area with a potentially
explosive atmosphere, and obey all signs and instructions.
Potentially explosive atmospheres include areas where you
would normally be advised to turn off your vehicle engine.
Sparks in such areas could cause an explosion or fire resulting
in bodily injury or even death. Switch off the device at
refueling points such as near gas pumps at service stations.
Observe restrictions on the use of radio equipment in fuel
depots, storage, and distribution areas; chemical plants; or
where blasting operations are in progress. Areas with a
potentially explosive atmosphere are often, but not always,
clearly marked. They include below deck on boats, chemical
transfer or storage facilities, vehicles using liquefied
petroleum gas (such as propane or butane), and areas where
the air contains chemicals or particles such as grain, dust,
or metal powders.
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