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SafeSafety Warnings and Precautions
1. Do not expose the equipment to rain, place it in a humid environment or spill any liquid on it to avoid
damage to the equipment circuit.
2. Do not expose the device to direct sunlight and do not place the device near heat sources such as electric
heaters.
3. Do not wipe the LCD screen with chemical solvents.
4. Do not plug and unplug external expansion devices, such as AC adapters, SD cards, etc. with electricity.
5. Handle with care during the operation and transportation, avoiding damage due to excessive shock or
vibration.
6. When the product will not be used for a long time, take out the product battery, insulate the battery well
and save it. Prevent the battery from being damaged.
7. The device can only use the factory-configured charger and AC adapter to supply power, do not use the
adapter not provided by the unit.
8. To ensure safety and extend the life of the battery, do not charge the battery at a temperature below 0°C
or above 40°C.
9. If the battery is placed in a high or low temperature environment, such as in a closed car in summer or
winter, it will reduce the battery capacity and shorten the battery life.
10. If the device is in a temperature environment below 0℃ or above 40℃, even if the battery is fully
charged, the device may not work temporarily. In sub-zero temperatures, the performance of the battery
will be greatly affected.
11. New batteries can only be fully charged and discharged after two to three cycles to maximize
performance.
12. The first use or every 2 to 3 months, battery maintenance is required to improve the use of performance.
Normally, avoid overcharging and discharging. During charging, make sure to maintain a good
ventilation and heat dissipation environment.
13. The AC power supply used by the equipment should be installed with a ground wire; if the power supply
voltage is unstable, a voltage regulator should be installed. If the equipment is in the off state, it is
recommended to cut off the power.
14. Ensure that the AC adapter is used in a good heat dissipation environment to avoid damage to the adapter
caused by overheating
15. The host has ventilation cooling holes, please do not block the holes or place any objects near it to avoid
uneven heat dissipation occurs internal overheating, resulting in the use of poor results or machine
damage.
16. When assembling and disassembling the device, you need to take it gently and carefully, disassembly
and assembly with violence is strictly prohibited.
17. Non-original accessories and spare parts are without warranty.
18. Strictly prohibited to use this product in aircraft.
19. Do not expose to any liquid. If it happens, do not turn on the product and disconnect the power
immediately and contact the supplier.
20. When cleaning the exterior of the product, please use a soft cloth dipped in water and wrung out to clean.
Do not use strong solvents such as thinners and polishers.
21. This product is a precision instrument, so if it breaks down, please contact the relevant personnel of our
company in time. Do not disassemble the case without our professional technicians to avoid damage and
electric shock.
22. This product should not be used for illegal purposes, please strictly comply with the relevant national
laws and regulations. Our company is not responsible for the end-users who do not comply with the
above provisions or use the product improperly.
