5
Please turn off the product and unplug the power plug when cleaning
its surface.
After daily use, please use a cloth to wipe the blackboard of this
product. It is forbidden to use other hard objects to wipe, so as to avoid
scratches on the surface, thereby affecting the use.
Since the top of the product is a heat dissipation area, do not spray
or pour liquid on the top, otherwise it will cause short circuit and damage
to the device.
Do not intentionally damage all exposed interfaces of this product to
avoid abnormal working.
If you need to clean the inside of the product machine, please contact
our customer service.
6. LCD screen
It is forbidden to display high-brightness images on the screen for a
long time.
7. Temperature and humidity
It is forbidden to place candles, mosquito coils, cigarettes and other
heat-generating objects around this product.
When transporting the product from a low-temperature area to a
high-temperature area, please leave it for a period of time before turning
it on to fully dissipate the internal condensation.
Please ensure that this product operates at a normal ambient
temperature of 0-40 degrees Celsius.
Please do not expose the device to wind, rain, humidity, water
leakage or places close to water leakage.
Please ensure that the product is operated in a dry and ventilated
place, and the humidity shall be 10-90%.
