16
three complete charging and using.
The battery can be charged for hundreds times, but it will become
invalid at last. Please buy a new one when the idle time and talk time
are apparently shortened.
Please disconnect the charger with power supply when you do not
use the charger. Do not connect the battery to the charger for more
than a week, overcharge will shorten the battery life.
Please do not put the battery together with metal.
Please do not bend or open the battery.
Please do not put the battery in water or fire.
The battery can be charged when the environment approaches the
room temperature, it possibly can’t be charged when the
temperature is -40℃ or +55℃.
17.2 Use and maintenance
This handset is high-technical product, please use it carefully. The
following suggestion is for you to use and maintain the handset better.
Put the handset in the place where the children can not reach.
Please keep the handset dry. Rain, moisture and other liquid may
contain the mineral material which will damage the circuit.
Please do not put the handset in dirty and dusty place.
Do not put the handset in too high temperature. High temperature
may shorten the life of electronic setting and destroy the battery, and
also distort or melt the plastic part.
Do not put the handset in too low temperature. When moving the
handset from low temperature to high, there will be moisture inside,
this may destroy the PCB.
Do not discharge the handset by yourself. Laypeople may destroy the
setting.
Please do not throw, knock on or shake the handset. Treating it
roughly may destroy the main board.
Please do not use excitant chemicals to clean the handset. Use the
soft suds to clean it.
Please do not paint the handset. Paint may interfere with the moving
part and influence the normal operation.
Please use the qualified spare antenna. The unauthorized antenna or
other parts may destroy the handset.
If the handset is wet, please power off and take the battery out. You
can begin to use it again 24 hours later when you make sure it is dry.