1. Where is the model label hidden? These 3 locations are most easily overlooked

I just bought a large LED screen, can’t find it if I just threw away the manual? Don’t panic! Model information is usually hidden inThree unexpected locations​：

1. ​​Inside the border​​: 80% of the models will engrave the model code on the left and right frames, and you have to use a flashlight to see clearly
2. ​​The back of the power bank​: Remove the maintenance cover and paste a metal nameplate with a QR code next to the power module
3. ​System Menu​: Enter Settings - Regarding the device, the software version number displayed here often contains the hardware model suffix

To give a real case: the arc screen installed in a shopping mall last year, the construction team searched for two hours before finding the model engraved on it.​In the groove of the splicing buckle​​. So, I really have to be a little patient in finding a model!

2. Is there a hidden mystery in the model code? Teach you how to crack the industry's "black words"

​​Q: What does the string of characters P2.5-1920H-IP65 mean?​​
A: This is actually the general coding rules of the industry. Let’s take a look at it separately:

• ​​P2.5​​: Pixel spacing is 2.5 mm (the smaller the number, the more delicate the picture is)
• ​​1920H​​: Refresh rate 1920Hz (models above 1440Hz cannot be seen with naked eyes)
• ​​IP65​​: Dust-proof and waterproof grade (outdoor screen must meet this standard)

The key point is here! Some manufacturers can play word games, such asPeak brightnessandNormal brightness​Mixed. Teach you a tip: see if there are any labels in the parameter table​cd/m²@25% grayscale​This detailed description is the real data.

3. How deep is the pit in the parameter table? A must-read guide for anti-fals for beginners

Recently, I helped my friend to inspect the display screen and found a strange thing - a business promotion​16bit color depth​, the actual test is only 12 bits! To avoid stumbles, remember these points:

1. ​​Brightness Trap​: The normal brightness of the outdoor screen is less than 4000cd/m² and cannot withstand the noon sunshine
2. ​Power consumption trick​: The nominal power consumption must be seen whether it is a single square meter data or a whole machine data
3. ​Lifespan metaphysics​: Those who dare to bid for a lifetime of 100,000 hours must have a brand proof of lamp beads

To be honest, some manufacturers now use​Recycling lamp beads​Renovation and assembly. This type of machine will experience brightness attenuation after half a year of use, and in severe cases, it can have a 30% brightness difference!

4. Model and scene matching formula: choose three steps to correct the car

1. ​​View usage environment​：

   • The indoor conference room is less than P2.5, and the brightness is 800-1200cd/m² is sufficient.
   • Outdoor advertising screen must be equipped with IP65 protection, brightness is recommended to start from 4500cd/m²

2. ​​Count the viewing distance​：
   There is a simple formula—​Optimal sight line (meters) = pixel spacing (mm) × 3​​
   For example, the comfortable viewing distance of the P3 screen is 9 meters

3. ​Check the upgrade space​：
   Many new models now support​Common-yin drive technology​, energy consumption is reduced by 30%. If the model has the "CE" suffix, it is probably this kind of energy-saving model

5. Analysis of the code of special models: What do these codes represent?

Recently, some novel models emerged in the industry, such as​QMX-Pro​​、​​UltraHDR​​ and the like. Translate to everyone:

• ​​QMX​​: Quantum dot enhancement technology (color saturation is increased by 20%)
• ​​HDR​​: High dynamic range (contrast can reach 10000:1)
• ​​Mesh​​: Grid power system (single power failure will not be blacked in full screen)

However, I would like to remind you that models with these black technologies are 40% more expensive, and they are not useful in ordinary commercial occasions. Just like when we buy a scooter, there is no need to pursue racing configuration, right?

After all, you can’t just look at the model parameters when choosing an LED screen. Just like finding a partner, hardware conditions are just the basis, and it depends on "inner quality". Many big companies are doing it now48-hour aging test​、​Point-by-point correction​These hard-core quality inspection processes can only be used by the machines. Next time you pick the screen, remember to let the supplier show it​Lanzhu brand proofandFactory Inspection Report​, this is much more than the model code!

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