Samsung SCH-I600MSAXAR - Manual (Page 119)

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The Accessories menu
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 Atmospheres
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 refueling 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 below deck 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.
Emergency Calls
This phone, like any wireless phone, operates using radio
signals, wireless and land line networks as well as user-
programmed functions, which cannot guarantee connection