Avoid Interference With Pacemakers - Samsung SGH-C414R User Manual

Never dispose of batteries or phones in a fire. Follow all local
regulations when disposing used batteries or phones.
Never place batteries or phones on or in heating devices, such as
microwave ovens, stoves, or radiators. Batteries may explode when
overheated.
Never crush or puncture the battery. Avoid exposing the battery to high
external pressure, which can lead to an internal short circuit and
overheating.

Avoid interference with pacemakers

Maintain a minimum of 15 cm (6 inches) between mobile phones and
pacemakers to avoid potential interference, as recommended by
manufacturers and the independent research group, Wireless
Technology Research. If you have any reason to suspect that your
phone is interfering with a pacemaker or other medical device, turn off
the phone immediately and contact the manufacturer of the pacemaker
or medical device for guidance.
Turn off the phone in potentially explosive environments
Do not use your phone at refuelling points (service stations) or near
fuels or chemicals. Turn off your phone whenever directed by warning
signs or instructions. Your phone could cause explosions or fire in and
around fuel or chemical storage and transfer areas or blasting areas.
Do not store or carry flammable liquids, gases, or explosive materials
in the same compartment as the phone, its parts, or accessories.
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