一

Wipe the screen as far as possible to minimize the damage to the screen when wiping the screen as far as possible.

二

The power supply is stable and well grounded. Do not use it in harsh natural conditions, especially in strong lightning weather.. Water, iron powder and other metal objects easy to conduct electricity are strictly prohibited in the screen body. The large screen of LED display screen should be placed in a low dust environment as far as possible. Large dust will affect the display effect, and excessive dust will damage the circuit. In case of water intrusion due to various reasons, please cut off the power immediately and contact the maintenance personnel until the display board inside the screen is dry.

三

It is suggested that the large LED display screen rest time should be more than 2 hours a day, and it should be used at least once a week in plum rain season. Generally, the screen should be turned on at least once a month for more than 2 hours.

When playing, do not stay in all white, all red, all green, all blue and other full bright pictures for a long time, so as to avoid causing excessive current, excessive heating of power line, damage of LED lamp and affecting the service life of display screen. Do not disassemble or splice the screen at will.