Have you just bought an LED display and looked confused when you looked at this "glowing blackboard"? Don’t panic! Today we will talk about where this thing can come in handy and how to make it "live". To put it bluntly, the LED display is a "variable star king". Powering it on is the basic operation. What is really interesting is how to play with its seventy-two general changes.

1. Physical opening: Three essential basic operations

Want to make the LED display light up? Remember these three tricks:

1. ​​Don't find the wrong power button​: Usually it is a physical button with a power symbol, and some high-end models use a touch panel. Press and wait for two or three seconds, and it will be fine when you see the indicator light turn green.
2. ​​The software needs to be paired​: It is now popular to use mobile APP to control it, remember to download the corresponding software. The actual connection success rate of a domestic manufacturer's system can reach 99.8%. If you can't connect, try restarting the router.
3. ​​Don't press the remote control randomly​: When I received the device, I checked the battery compartment first. I encountered an embarrassing incident where someone poked the remote control with no battery installed. If the screen displays "no signal", it is probably because the wire is not tightly inserted.

2. Scene opening: eight application scenarios to practice

This is the highlight! The ability of LED displays is more than just a light-up screen:

​​Commercial advertising field​

• The huge advertisement on the exterior wall of the mall can automatically adjust the brightness according to the weather, so you can still see clearly on sunny days.
• Electronic poster screen at the door of the convenience store can be updated 30 promotional information every hour
• The navigation screen of the subway station is three times faster than manual

​Creative interactive gameplay​

• The floor tiles screen on the bar dance floor will explode the fireworks special effects when stepped on it, and young people have the most fun
• The transparent window screen in the shopping mall atrium, with a 86% transmittance, making the product like a floating in the air
• The electronic water sign at the hotel front desk can display booking information by scanning your face, which is full of technology.

​​Professional Engineering Field​

• Fence screen of the stadium, IP65 waterproof level work as usual on rainy rains
• The rental screen at the concert site can be disassembled and installed in 200 square meters in 10 minutes
• The curved screen of the conference center, with a wide 150-degree viewing angle allows the viewers in the corner to see clearly

3. Advanced operation: Five hidden techniques

Don't think that it's over if you can turn on the computer. These tricks are the essence:

1. ​​The brightness adjustment is of particular importance​: Do not exceed 1200nit indoors, and it is recommended to keep it above 5000nit outdoors. There is a shopping mall that switches the indoor screen to 2000nit, and customers complain about dazzling cases
2. ​Tips for content update​: The cloud storage function is so delicious! The screens of a chain store with 200 branches nationwide can be changed in one hour at the headquarters
3. ​​Thermal maintenance must not be forgotten​: The most exaggerated case I have ever seen, someone covered the screen with a layer of cloth, but the heat dissipation holes were blocked
4. ​Signal transmission tips​: Although wireless transmission is convenient, it is recommended to use HDMI cable in important occasions, and the delay can be controlled within 8ms.
5. ​​Use the anti-ignition design well​​: The new models now have anti-touch locking function, so naughty kids are not afraid of random pressing

4. Frequently Asked Questions First Aid Kit

All the pitfalls that novices often step on are here:

• ​​Don't light up the screen​: Check the power supply first → then the signal line → finally check the control card. These three steps can solve 90% of the problems
• ​​The screen card into PPT​: The refresh rate is adjusted to above 1920Hz and is immediately smooth, the difference between it and 60Hz is like a tractor turning into a supercar
• ​​Outdoor screen water inlet​​: Power off immediately! Use a hot air gun to blow slowly at low temperature, don't use a hair dryer to slam it
• ​​The color looks wrong​: Eighty-mostly, the color mode is selected wrong, the cinema uses DCI-P3 mode, and the shopping mall uses sRGB mode

If I want to say, the LED display is a universal player who can "moves wherever you need". From street shops to international events, from physical advertising to virtual interaction, its ability is beyond imagination. Nowadays, many screens have intelligent sensing, and can automatically adjust the content according to the traffic of people. This thing may understand the customer's mind more than others in the future. Next time you see an LED screen that will transform magic in the mall, remember that there are a lot of black technology hidden behind it!

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