Nokia SGH-D830 - Manual (Page 105)

103
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Other medical devices
If you use any other personal medical
devices, consult the manufacturer of your
device to determine if it is adequately
shielded from external RF energy.
Your physician may be able to assist you in
obtaining this information.
Switch off your phone in health care facilities
when regulations posted in these areas
instruct you to do so.
Vehicles
RF signals may affect improperly installed or
inadequately shielded electronic systems in
motor vehicles. Check with the
manufacturer or its representative regarding
your vehicle.
You should also consult the manufacturer of
any equipment that has been added to your
vehicle.
Posted facilities
Switch off your phone in any facility where
posted notices require you to do so.
Potentially explosive environments
Switch off your phone when in any area with
a potentially explosive atmosphere, and
obey all signs and instructions. Sparks in
such areas could cause an explosion or fire
resulting in bodily injury or even death.
Users are advised to switch off the phone
while at a refuelling point (service station).
Users are reminded of the need to observe
restrictions on the use of radio equipment in
fuel depots (fuel 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 the areas below decks
on boats, chemical transfer or storage
facilities, vehicles using liquefied petroleum
gas, such as propane or butane, areas
where the air contains chemicals or
particles, such as grain, dust or metal
powders, and any other area where you
would normally be advised to turn off your
vehicle engine.