Huawei G5520 User Manual page 40

pacemaker to prevent potential interference with the
pacemaker. If you are using a pacemaker, use the device on
the opposite side of the pacemaker and do not carry the
device in your front pocket.
Potentially Explosive Atmosphere
Power off your device in any area with a potentially explosive
atmosphere, and comply with all signs and instructions. Areas
that may have potentially explosive atmospheres include the
areas where you would normally be advised to turn off your
vehicle engine. Triggering of sparks in such areas could cause
an explosion or a fire, resulting in bodily injuries or even deaths.
Do not power on your device at refueling points such as service
stations. Comply with restrictions on the use of radio
equipment in fuel depots, storage, and distribution areas, and
chemical plants. In addition, adhere to restrictions in areas
where blasting operations are in progress. Before using the
device, watch out for areas that have potentially explosive
atmospheres that are often, but not always, clearly marked.
Such locations include areas below the deck on boats, chemical
transfer or storage facilities, and areas where the air contains
chemicals or particles such as grain, dust, or metal powders.
Ask the manufacturers of vehicles using liquefied petroleum
gas (such as propane or butane) whether this device can be
safely used in their vicinity.
Traffic Security
Observe local laws and regulations while using the device. In
addition, if using the device while driving a vehicle, comply with
the following guidelines:
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