D900 User Manual
Installation and Usage Tips
1) Do not damage the power cord and the adapter. If the power cord or the adapter is damaged,
please do not use it any more.
2) Before the adapter is plugged into the socket. Please make sure that its voltage is appropriate
for the terminal.
3) Do not expose the terminal in sunshine, or in humid, hot, and dusty environmental conditions
4) Keep the terminal away from liquid materials.
5) Do not plug any unknown material into any port of the terminal, since it may cause serious
damage to the terminal.
6) If the terminal is defective, please contact professional POS technicians.
7) Do not assemble the terminal in explosive and hazardous area.
Battery Usage Tips
1) Charge indoor with PAX charger under cool and well ventilated conditions.
2) Do not dismantle the battery.
3) Do not short-circuit the battery.
4) Keep the battery away from sunshine, smog and dust.
5) Do not squeeze and punch the battery, and do not put it into liquid or near fire.
6) Keep the battery away from environmental conditions which are too hot, cold, damp and highly
explosive.
7) Once a failure happens such as heating or distortion, or it was broken down, please replace it
with a new battery.
8) Please replace it with a new battery if the aging phenomenon happens.
9) Please replace it with a new one if the battery is used more than two years accumulatively.