Huawei PRONTO LTE Service Manual page 17

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This section contains important information about the operation of your device. It also contains information about
how to use the device safely. Read this information carefully before using your device.
Electronic device
Do not use your device if using the device is prohibited. Do not use the device if doing so causes danger or
interference with other electronic devices.
Interference with medical equipment
Follow rules and regulations set forth by hospitals and health care facilities. Do not use your device where prohibited.
Some wireless devices may affect the performance of hearing aids or pacemakers. Consult your service
provider for more information.
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 using a pacemaker, hold the device
on the side opposite the pacemaker and do not carry the device in your front pocket.
Protecting your hearing when using a headset
To prevent possible hearing damage, do not listen at high volume levels for long periods.
Using a headset at high volumes may damage your hearing. To reduce this risk, lower the headset volume
to a safe and comfortable level.
Exposure to high volumes while driving may cause distraction and increase your risk of an accident.
Areas with flammables and explosives
Do not use the device where flammables or explosives are stored (in a gas station, oil depot, or chemical
plant, for example). Using your device in these environments increases the risk of explosion or fire. In
addition, follow the instructions indicated in text or symbols.
Do not store or transport the device in containers with flammable liquids, gases, or explosives.
Traffic security
Observe local laws and regulations while using the device. To reduce the risk of accidents, do not use your
wireless device while driving.
Concentrate on driving. Your first responsibility is to drive safely.
Do not hold the device while driving. Use hands-free accessories.
When you must make or answer a call, pull off the road safely and park the vehicle first.
RF signals may affect the electronic systems of motor vehicles. For more information, consult the
vehicle manufacturer.
Do not place the device over the air bag or in the air bag deployment area in a motor vehicle. Doing so may
hurt you because of the strong force when the air bag inflates.
Do not use your device while flying in an aircraft or immediately before boarding. Using wireless devices in
an aircraft may disrupt wireless networks, present a hazard to aircraft operation, or be illegal.
Operating environment
Avoid dusty, damp, or dirty environments. Avoid magnetic fields. Using the device in these environments
may result in circuit malfunctions.
Do not use your device during thunderstorms to protect your device against any danger caused by lightning.
Ideal operating temperatures are 0 °C to 35 °C. Ideal storage temperatures are -20 °C to 70 °C. Extreme heat
or cold may damage your device or accessories.
Do not expose your device to direct sunlight (such as on a car dashboard) for prolonged periods.
To protect your device or accessories from fire or electrical shock hazards, avoid rain and moisture.
Keep the device away from sources of heat and fire, such as a heater, microwave oven, stove, water heater,
radiator, or candle.
Do not place sharp metal objects, such as pins, near the earpiece or speaker. The earpiece may attract these
objects and result in injury.
Stop using your device or applications for a while if the device is overheated. If skin is exposed to an
overheated device for an extended period, low temperature burn symptoms, such as red spots and darker
pigmentation, may occur.
Do not use your device's camera flash directly in the eyes of people or pets. Otherwise temporary loss of
vision or damage to the eyes may occur.
Do not touch the device's antenna. Otherwise, communication quality may be reduced.
Do not allow children or pets to bite or suck the device or accessories. Doing so may result in damage or explosion.
Observe local laws and regulations, and respect the privacy and legal rights of others.
Child's safety
Comply with all precautions with regard to child's safety. Letting children play with the device or its
accessories may be dangerous. The device includes detachable parts that may present a choking hazard.
Keep away from children.
The device and its accessories are not intended for use by children. Children should only use the device with
adult supervision.
Accessories
Using an unapproved or incompatible power adapter, charger or battery may cause fire, explosion or other hazards.
Choose only accessories approved for use with this model by the device manufacturer. The use of any other
types of accessories may void the warranty, may violate local regulations and laws, and may be dangerous.
Please contact your retailer for information about the availability of approved accessories in your area.
Charger safety
For pluggable devices, the socket-outlet shall be installed near the devices and shall be easily accessible.
Unplug the charger from electrical outlets and the device when not in use.
Do not drop or cause an impact to the charger.
If the power cable is damaged (for example, the cord is exposed or broken), or the plug loosens, stop using
it at once. Continued use may lead to electric shocks, short circuits, or fire.
Do not touch the power cord with wet hands or pull the power cord to disconnect the charger.
Do not touch the device or the charger with wet hands. Doing so may lead to short circuits, malfunctions,
or electric shocks.
If your charger has been exposed to water, other liquids, or excessive moisture, take it to an authorized
service center for inspection.
Ensure that the charger meets the requirements of Clause 2.5 in IEC60950-1/EN60950-1/UL60950-1 and
has been tested and approved according to national or local standards.
Connect the device only to products with the USB-IF logo or with USB-IF compliance program completion.
Battery safety
Do not connect battery poles with conductors, such as keys, jewelry, or other metal materials. Doing so may
short-circuit the battery and cause injuries or burns.
Keep the battery away from excessive heat and direct sunlight. Do not place it on or in heating devices, such
as microwave ovens, stoves, or radiators. Batteries may explode if overheated.
Do not attempt to modify or remanufacture the battery, insert foreign objects into it, or immerse or expose
it to water or other liquids. Doing so may lead to fire, explosion, or other hazards.
If the battery leaks, ensure that the electrolyte does not make direct contact with your skins or eyes. If the
electrolyte touches your skins or splashes into your eyes, immediately flush with clean water and consult a doctor.
In case of battery deformation, color change, or overheating while charging or storing, immediately stop
using the device and remove the battery. Continued use may lead to battery leakage, fire, or explosion.
Do not put batteries in fire as they may explode. Damaged batteries may also explode.

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