Huawei U7517 User Manual

Warnings and Precautions

This section contains important information pertaining to the
operating instructions of your device. It also contains information
about how to use the mobile safely. Read this information care­fully before using your device.

Electronic Device

Power off your device if using the device is prohibited. Do not
use the device when using the device causes danger or interfer­ence with electronic devices.

Medical Device

• Follow rules and regulations set forth by hospitals and
health care facilities. Do not use your device when using
the device is prohibited.

• Pacemaker manufacturers recommend that a minimum
distance of 15 cm be maintained between a device and a
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.

• Some wireless devices may affect the performance of the
hearing aids. For any such problems, consult your service
provider.

Potentially Explosive Atmospheres

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

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Traffic Security

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:

• 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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