Vehicles; Potentially Explosive Environments - Nokia 2720 User Manual

64 Additional safety information
depends on the type of hearing aid used.
You should test the device with the
telecoil setting activated to determine
whether your audio performance
improves. Using the telecoil hearing-aid
setting consumes additional battery
power.

Vehicles

RF signals may affect improperly
installed or inadequately shielded
electronic systems in motor vehicles
such as electronic fuel injection,
electronic antilock braking, electronic
speed control, and air bag systems. For
more information, check with the
manufacturer of your vehicle or its
equipment.
Only qualified personnel should service
the device or install the device in a
vehicle. Faulty installation or service
may be dangerous and may invalidate
your warranty. 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 accessories.
Remember that air bags inflate with
great force. Do not place your device or
64
accessories in the air bag deployment
area.
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 and may be illegal.

Potentially explosive environments

Switch off your device in any area with
a potentially explosive atmosphere.
Obey all posted instructions. Sparks in
such areas could cause an explosion or
fire resulting in bodily injury or death.
Switch off the device at refueling points
such as near gas pumps at service
stations. Observe restrictions 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 areas where you would be
advised to turn off your vehicle engine,
below deck on boats, chemical transfer
or storage facilities and where the air
contains chemicals or particles such as
grain, dust, or metal powders. You
should check with the manufacturers of
vehicles using liquefied petroleum gas
(such as propane or butane) to
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