Huawei Technologies U1250 WCDMA/GPRS/GSM Mobile Phone with Bluetooth User Manual Book1

Huawei Technologies Co.,Ltd WCDMA/GPRS/GSM Mobile Phone with Bluetooth Book1

User Manual Part 2

1Warnings and PrecautionsThis 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 care-fully before using your device.Electronic DevicePower off your device if using the device is prohibited. Do not use the device when using the device causes danger or interfer-ence 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 AtmospheresPower 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
2Traffic Securitystations. 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 SecurityObserve 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
Operating Environment 3the aircraft and disrupt the wireless telephone network. It may also be considered illegal.Operating Environment• Do not use or charge the device in dusty, damp or dirty places or places with magnetic fields. Otherwise, it may result in a malfunction of the circuit.• The device complies with the RF specifications when the device is used near your ear or at a distance of 1.5 cm from your body. Ensure that the device accessories such as a device case and a device holster are not composed of metal components. Keep your device 1.5 cm away from your body to meet the requirement earlier mentioned.• On a stormy day with thunder, do not use your device when it is being charged, to prevent any danger caused by lightning.• When you are on a call, do not touch the antenna. Touching the antenna affects the call quality and results in increase in power consumption. As a result, the talk time and standby time are reduced.• While using the device, observe the local laws and regulations, and respect others' privacy and legal rights.Preventing Hearing DamageUsing a headset at high volume can damage your hearing. To reduce the risk of damage to hearing, lower the headset volume to a safe and comfortable level.Safety of ChildrenComply with all precautions with regard to children's safety. Letting the child play with your device or its accessories, which may include parts that can be detached from the device, may be
4Accessoriesdangerous, as it may present a choking hazard. Ensure that small children are kept away from the device and accessories.AccessoriesUse the accessories delivered only by the manufacturer. Using accessories of other manufacturers or vendors with this device model may invalidate any approval or warranty applicable to the device, result in the non-operation of the device, and cause danger.Battery and Charger• Unplug the charger from the electrical plug and the device when not in use.• The battery can be charged and discharged hundreds of times before it eventually wears out. When the standby time and talk time are shorter than the normal time, replace the battery.• Use the AC power supply defined in the specifications of the charger. An improper power voltage may causea fire or a malfunction of the charger.• Do not connect two poles of the battery with conductors such as metal materials, keys or jewelries. Otherwise, the battery may be short-circuiting and may cause injuries and burns on your body.• Do not disassemble the battery or solder the battery poles. Otherwise, it may lead to electrolyte leakage, overheating, fire, or explosion.• If battery electrolyte leaks out, ensure that the electrolyte does not touch your skin and eyes. When the electrolyte touches your skin or splashes into your eyes, wash your eyes with clean water immediately and consult a doctor.
Clearing and Maintenance 5• If there is a case of battery deformation, color change, or abnormal heating while you charge or store the battery, remove the battery immediately and stop using it. Otherwise, it may lead to battery leakage, overheating, explosion, or fire.• If the power cable is damaged (for example, the cord is exposed or broken), or the plug loosens, stop using the cable at once. Otherwise, it may lead to an electric shock, a short circuit of the charger, or a fire.• Do not dispose of batteries in fire as they may explode. Batteries may also explode if damaged.Clearing and Maintenance• The device, battery, and charger are not water-resistant. Keep them dry. Protect the device, battery, and charger from water or vapor. Do not touch the device or the charger with a wet hand. Otherwise, it may lead to a short circuit, a malfunction of the device, and an electric shock to the user.• Do not place your device, battery, or charger in places where it can get damaged because of collision. Otherwise, it may lead to battery leakage, device malfunction, overheating, fire, or explosion.• Do not place magnetic storage media such as magnetic cards and floppy disks near the device. Radiation from the device may erase the information stored on them.• Do not leave your device, battery, and charger in a place with an extreme high or low temperature. Otherwise, they may not function properly and may lead to a fire or an explosion.When the temperature is lower than 0°C, performance of the battery is affected.
6Emergency Call• Do not place sharp metal objects such as pins near the earpiece. The earpiece may attract these objects and hurt you when you are using the device.• Before you clean or maintain the device, power off the device and disconnect it from the charger. • Do not use any chemical detergent, powder, or other chemical agents (such as alcohol and benzene) to clean the device and the charger. Otherwise, parts of the device may get damaged or a fire can be caused. You can clean the device and the charger with a piece of damp and soft antistatic cloth.• Do not dismantle the device or accessories. Otherwise, the warranty on the device and accessories is invalid and the manufacturer is not liable to pay for the damage.Emergency CallYou can use your device for emergency calls in the service area. The connection, however, cannot be guaranteed in all condi-tions. You should not rely solely on the device for essential communications.Ver: 31010XXX V100R001_01

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