Samsung Chrono SCH-R261 User Manual page 135

For more information see:
faqs.html#.
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 your mobile
device off in health care facilities when any regulations posted in
these areas instruct you to do so. Hospitals or health care
facilities may be using equipment that could be sensitive to
external RF energy.
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 before
using your mobile device in a motor vehicle. You should also
consult the manufacturer of any equipment that has been added
to your vehicle.
Posted Facilities
Switch your mobile device off in any facility where posted notices
require you to do so.
http://www.fcc.gov/oet/rfsafety/rf-
Potentially Explosive Environments
Switch your mobile device off 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 the mobile
device off 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.
Health and Safety Information 132