Do newbies who have just taken over LED screens often go crazy? Just like a novice driver cannot find the fuel tank cover switch, facing the entire wall of the display screen, where is the mysterious power button hidden? Don’t panic, let’s take off the “coat” of the LED screen today and teach you how to find the switch step by step – be sure to get started after reading it!

​​Three hiding places for physical switches​​
This matter has to start from last year. A shopping mall manager restarted the control computer eight times because he couldn't find the switch, and ended up messing up the program list. In fact, physical switches are usually hidden in three places:

1. ​​Above the heat dissipation hole on the right​ ​(80% of the vertical screens are here)
2. ​​Inside the bottom waterproof cover​ ​(Common outdoor screen design)
3. ​​Splicing box joints​ ​(Hidden mechanism for renting screens)

Key reminder: When you encounter a screen with arc-shaped and special-shaped design, remember to touch the seams of the border first. Just like the latest transparent video wall, its switch is actually hidden in​ ​Side acrylic plate groove​ ​If you don't touch it carefully, you can't find it.

​​Switch operation life and death line​​
Here is a lesson learned from blood and tears: a gym administrator directly unplugged the power supply, causing 16 modules to burn. Three steps to keep in mind when operating correctly:

1. Close the program source (computer or media box)
2. Turn off the control card (wait for 10 seconds to turn red light yellow)
3. Turn off the power supply (it is considered successful when you hear the "click" of the relay)

Especially for the new smart screen now, forced power outage will lead to loss of brightness memory, which may be blinding when the computer is turned on next time.

​​New gameplay for intelligent control​​
The high-end models that have been released in the past two years have long since no longer need to look for switches on the screen. For example, models that support mobile APP control can:

• Timed power switch (Error ±0.5 seconds)
• Group control (only the left half screen)
• Remote restart (can be operated at home)

A hotel customer played a trick: link the switch of the opening ceremony screen with the lobby crystal lamp, and operate the entire light show with one click. But be careful​ ​IoT models​ ​You have to connect to exclusive WiFi first, and don’t just mess around with 4G networks.

​​Guide to save lives in special scenarios​​
When encountering these three situations, do not touch the switch:

1. Colored stripes appear on the screen (activate grayscale protection mode immediately)
2. Thunderstorm weather (even if the gate is turned off, you must unplug the network cable)
3. minus 20℃ environment (turn on preheating mode for 30 minutes first)

Last year, the lesson from a large ice and snow world in Northeast China was profound enough: the staff turned on the computer directly, and the driver IC was frozen and cracked, and the repair fee was even more expensive than the screen. Now there are new screens​ ​Low temperature self-test function​ ​, a prompt window will automatically pop up before starting the computer.

After reading these, do you think it is also a big question to find a switch? Remember, the LED screens are no longer stupid and thick black boxes. Just like the latest developed intelligent control system, you can even play the ritual feeling when you turn on and off the phone - press and hold the power button for 3 seconds to get the logo, the weather will be released in 5 seconds, and enter the program list directly in 10 seconds. Don’t be hard if you can’t find the switch next time. Touch the border more and read the manual. It really doesn’t work... You know, the 24-hour technical hotline is not a decoration! The latest industry data shows that correct operation can extend the screen life by 3.2 years. How can this account be calculated?

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