Samsung Duos SGH D880 - Manual (Page 45)

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Hearing aids
Some digital wireless phones may interfere with some
hearing aids. In the event of such interference, you
may wish to consult your hearing aid manufacturer to
discuss alternatives.
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.