User's Manual

and whether the port is damaged.
4. Please do not place this product in a humid environment or in a
humid environment.
5. When using, please install this product on a reliable surface,
and accidental dropping may cause equipment damage.
6. Before you supply power to the product equipment, please confirm
that the voltage of the power outlet meets the requirements.
7. Please arrange all the connecting lines of the product equipment
to avoid connection errors.
8. Please pay attention to the warning slogan on the product
equipment.
9. If the device is not used for a long time, disconnect its power
socket to avoid affecting the life cycle of the device.
10. Please do not let the device touch any liquid to prevent liquid
from flowing into the communication interface, causing short circuit
damage.
11. Please do not open the device yourself. To ensure your safety,
please turn on the device with the appropriate engineer.
12. Please do not place the device outside the recommended ambient
temperature range, not lower than -10 ° C or higher than 60 ° C,
otherwise the device may be damaged.
13. The power supply of the real-time clock circuit in the product
equipment is battery-powered. It cannot be replaced with other types of
button batteries. It needs to be replaced by the same or equivalent
battery recommended by Zhilai Technology.
14. If you encounter any of the following conditions, please have
it repaired by a professional:
The device has a fault that cannot be operated normally;
Some functional failures occurred in the device;