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General knowledge of commercial display and advertising equipment

  • Author:Katherine
  • Source:Kerchan
  • Release on:2019-05-17
How to clean the shell

Use cotton cloth dipped in water to wipe, do not use any detergent, this will make the shell lose the factory when the unique luster.

Why there are interference marks on the LCD screen when switching on and off?

This situation is the display card signal interference caused by a normal phenomenon. This problem can be solved by automatically or manually adjusting the phase.

How to clean LCD screen

When cleaning the LCD screen, try not to use a wet cloth with too much moisture, so as not to have moisture into the screen and lead to LCD internal short circuit and other faults. Glasses cloth and lens paper are recommended

A soft object wipes the LCD screen to prevent moisture from entering the LCD without damaging the screen.


Before cleaning the screen, please unplug the power cord to ensure that the advertising machine is in the state of power failure, and then use a clean soft cloth without the end of the thread to gently dust, do not straight on the screen

Use sprays;

Do not expose the product to rain and sunshine, so as not to affect the normal use of the product;

Please do not block the ventilation hole and sound hole on the housing of the advertisement machine. Do not place the advertisement machine near the radiator, heat source or any other equipment that may affect the normal ventilation.

Do not disassemble or repair the advertisement machine by yourself to avoid high voltage electric shock or other dangers. If you need to repair, you should ask professional maintenance personnel to complete all the maintenance work.

Because the advertisement machine mostly USES in the public place, the voltage is not steady, may cause the advertisement machine equipment damage. It is recommended to use a stable power supply, which must not be combined with high-power equipment such as elevators

Use a power source. If the voltage is often unstable in places, such as the subway station, please be sure to use the corresponding voltage stabilizing equipment for voltage regulation, otherwise it is easy to cause instability of the advertising machine

Make, can burn down advertisement machine even;

If the card cannot be inserted into the card, please do not insert it hard to avoid damaging the card pin. At this point, check whether the card is inserted backward. In addition, please do not plug the card in the startup state, should be shut down after the operation