Traffic Security - Huawei U8520-1 User Manual

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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:
• Concentrate on driving. Your first responsibility is to drive
safely.
• Do not talk on the device while driving. Use hands-free
accessories.
• When you have to make or answer a call, park the vehicle
at the road side before using your device.
• RF signals may affect electronic systems of motor vehicles.
For more information, consult the vehicle manufacturer.
• In a motor vehicle, do not place the device over the air bag
or in the air bag deployment area. Otherwise, the device
may hurt you owing to the strong force when the air bag
inflates.
• Do not use your device while flying in an aircraft. Power off
your device before boarding an aircraft. Using wireless
devices in an aircraft may cause danger to the operation of
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