Potentially explosive environments, Potentially explosive, Environments – Nokia 2600 User Manual

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Using your device while flying in aircraft is prohibited.

Switch off your device before boarding an aircraft. The use

of wireless teledevices in an aircraft may be dangerous to

the operation of the aircraft, disrupt the wireless

telephone network, and may be illegal.

Potentially explosive environments

Switch off your device when in any area with a potentially

explosive atmosphere, and obey all signs and instructions.

Potentially explosive atmospheres include areas where

you would normally be advised to turn off your vehicle

engine. Sparks in such areas could cause an explosion or

fire resulting in bodily injury or even death. Switch off the

device at refuelling points such as near gas pumps at

service stations. Observe restrictions on the use of radio

equipment in fuel depots, 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

and areas where the air contains chemicals or particles

such as grain, dust, or metal powders. You should check

with the manufacturers of vehicles using liquefied

petroleum gas (such as propane or butane) to determine

if this device can be safely used in their vicinity.