Huawei Technologies Co. Ltd U1280-5 Manuale Utente

Pagina di 46
Preventing Hearing Damage
 34
Preventing Hearing Damage
Using 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 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.
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