Safety warning GRANDHUB
1. Safety warning
1) Place
Do not place heavy objects on the machine；
Do not insert anything into the machine；
Do not put the machine beside the equipment with strong radiation；
Do not place the machine in a wet or liquid splashing place；
Do not place the machine in places that are unstable, prone to tilt or fall；
Do not place the machine near direct sunlight or other strong light sources.
2) The power supply
Unplug the power cord during thunder and lightning weather；
Do not cause physical or mechanical damage to the power cord；
Please check and make sure the power line is connected to the ground line；
Please use the provided power cord, do not modify the power cord；
Check and ensure that the voltage aligns the main supply voltage.
3) The screen
Please unplug the power plug before cleaning；
Please wipe the screen with a soft, clean and dry cloth；
Do not clean the screen with the water or spray cleaner；
Do not display high brightness pictures on the screen for a long time；
Do not use hard or sharp objects to write on the screen.
4) The temperature
The normal operating temperature is 0~40℃；
Do not place the machine heating object or other heat source, such as electric heater or radiator；
When the machine is moved from the low temperature zone to the high temperature zone, please
leave it for a period of time before power-on the machine in order to fully release the condensation
inside the machine.
5) Humidity
Do not expose the machine to rain, moisture or near water；
Please keep the room dry and cool. The humidity of the machine is 10%-90% RH.
