Huawei E173 User Manual page 12

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
use your device at refuelling 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. To prevent accidents, do not use
your wireless device while driving.
RF signals may affect electronic systems of
motor vehicles. For more information, consult
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