Safety Of Children; Battery And Charger; Cleaning And Maintenance - Huawei WorldCall ETS2055 User Manual

Because the device needs to disperse heat during working, place the device and the power supply
in a ventilated and shady place. Never cover the device, put objects on it, or place it near water, fire
as well as inflammable and explosive materials.
This device should be installed and operated with a minimum distance of 20 cm between the
antenna and all persons.
Keep the ambient temperature between -10°C and 45°C while the device is being charged. Keep
the ambient temperature between -10°C to 55°C for using the device powered by a battery.

Safety of Children

Comply 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 dangerous, as
it may present a choking hazard. Ensure that small children are kept away from the device and
accessories.
Accessories
Use 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.
Do not connect two poles of the battery with conductors, such as metal materials, keys, or
jewelries. Otherwise, the battery may be short-circuited 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.
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.
Danger of explosion if battery is incorrectly replaced. Recycle or dispose of used batteries
according to the local regulations or reference instruction supplied with your device.

Cleaning 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, and charger in places where they 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.
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