If the LED display has streaks, especially if there are horizontal stripes or vertical stripes in use, it will directly affect the LED display and viewing experience, especially in places such as shopping malls and pedestrian streets. So how do we go about troubleshooting and solving this kind of problem? Let's listen to some professional opinions. First of all, for the stripe phenomenon on the LED screen , you can be sure that the LED display is no problem, generally the power supply, control card (including the adapter board) and software problems: 1) Restart the power supply and try it. 2) It may be that the board is broken, and the back is reversed and tried. 3) Look at the display power supply is good (there is a small green light on the power supply that is on or off, or it is broken, and the light is on, there may be insufficient voltage) 4) The above two are not good or may be a problem with the control card program. Try reloading the file. 5) The control card problem is broken. The key point of the control card is the adapter board. If there is any jumper on the adapter board, it will cause the LED display to appear streak; if it happens occasionally during playback, please change the playback mode. The above is the solution for the appearance of stripes on the LED display . In addition, there are many people who have feedback. In the shooting of the LED display screen, water ripples are commonly known as “water ripplesâ€. This is not the same as the problem of streaking, not the quality of LED screens. The occurrence of water ripple is related to the shooting angle and the screen refresh rate, so it needs to be taken down by the way. 　　 KNM1L Series Moulded Case Circuit Breaker
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