①Use a safe power supply.
As most of the LCD advertising machines are used in public places, unstable voltage may cause equipment damage. It is recommended to use a stable 220V market power supply, do not and elevator power supply and other high-power equipment to use a common power supply. If used in places where the voltage is often unstable, such as subway stations, bus stops, etc., be sure to use the appropriate voltage regulator to stabilize the voltage, otherwise it is easy to cause unstable work of the advertising machine, and in severe cases, even burned advertising machine.
Distinguish between indoor and outdoor advertising machine.
Indoor LCD advertising machine and outdoor advertising machine must be distinguished clearly, indoor advertising machine often does not have waterproof and sunscreen characteristics, do not put the indoor advertising machine in the outdoor use, so as not to affect the normal use of the product or even lead to human damage.
③U disk correctly inserted and removed.
Don’t plug and unplug the U disk in the power-on state, it should be operated after the power is turned off.
④ Regularly clean the screen correctly.
LCD advertising machine needs to be cleaned regularly to ensure that the dust above will not interfere with normal use. Before cleaning the screen, please unplug the power cord to ensure that the advertising machine is in a power-off state, and then gently wipe it with a clean, soft cloth without threads (it is best to use a cloth for wiping eyeglasses), and do not use sprays directly on the screen.
⑤ Prohibit blocking the holes.
Do not block the ventilation holes and audio pronunciation holes on the shell of the advertising machine, and do not place the advertising machine near the heat source or any other equipment that may affect the normal ventilation, so as not to affect the heat dissipation of the machine, resulting in failure.
⑥ Prohibit disassembly by yourself.
Do not disassemble or repair the LCD advertising machine on your own, so as to avoid high-voltage electric shock or other dangers, you should ask the professional maintenance personnel to complete all the maintenance work.
The purchase and maintenance of LCD advertising machine is very important, here to organize these precautions, need to be collected.