Explosive environments
Gas stations and explosive atmospheres
In locations with potentially explosive atmospheres, obey all posted signs to
turn off wireless devices such as your phone or other radio equipment. Areas
with potentially explosive atmospheres include fueling areas, below decks
on boats, fuel or chemical transfer or storage facilities, areas where the air
contains chemicals or particles, such as grain, dust, or metal powders.
Blasting caps and areas
Power off your mobile phone or wireless device when in a blasting area or
in areas posted power off “two-way radios” or “electronic devices” to avoid
interfering with blasting operations.
from the interference source. Increasing the separation between them may
reduce the interference. You may also consult your hearing aid manufacturer
to discuss alternatives.
Medical devices
Please consult your doctor and the device manufacturer to determine
if operation of your phone may interfere with the operation of your
medical device.
Hospitals
Turn off your wireless device when requested to do so in hospitals, clinics
or health care facilities. These requests are designed to prevent possible
interference with sensitive medical equipment.
Aircraft
Turn off your wireless device whenever you are instructed to do so by airport
or airline staff. Consult the airline staff about the use of wireless devices
prior to boarding an aircraft.
Interference in cars
Please note that because of possible interference with electronic equipment,
some vehicle manufacturers forbid the use of mobile phones in their vehicles
unless a hands-free kit with an external antenna is included in the installation.
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