Friends, do you think that buying indoor LED screens is like buying appliances? Let me tell you a secret - this business is very deep! Last week, my neighbor spent 30,000 yuan to buy a screen, but the video playback was stuck in PPT mode. Today I’ll teach you how to avoid these pitfalls, and you’ll be sure to become a half-expert after reading them.

1. First figure out what you want, don’t be taken advantage of

Don’t ask “how much” as the first sentence when buying a screen. You need to make a clear inquiry first.​ ​Usage scenarios​ ​. Can the ones used in milk tea shops and TV stations be the same?

• ​​shop sign​ ​: Choose P2.5-P3 spacing, 6 square meters is enough
• ​​Enterprise exhibition hall​ ​: P1.8 with touch function
• ​​studio​ ​: Must be 1920Hz refresh rate + 16bit grayscale

To give a real example: a certain supermarket chain changed batches​ ​Low brightness and high gray screen​ ​, not to mention saving 30% on electricity bills, and the lights in the fresh food area do not reflect any light. This is called prescribing the right medicine!

2. Word games in parameters, novices will definitely fall for it

The "high-definition" the merchant refers to may be 720P. You need to understand the industry slang:

1. ​​Refresh rate ≥1920Hz​ ​: There will be no black bars when shooting videos (slow-motion test on mobile phone)
2. ​​Brightness adjustable range​ ​: Do not exceed 1200cd/m² indoors (otherwise it will be blinding)
3. ​​Grayscale 16bit+​ ​: Only when you look at the sunset gradient and there are no color blocks is it considered qualified.

I went to an exhibition hall last week and the salesperson boasted of "million-level contrast ratio." But when I tried it on a gray background - it was full of noise! So​ ​seeing is believing​ ​Too important.

3. Comparison of online and offline channels, save 30% after reading

Here comes the point! Now all reliable manufacturers are using it​ ​Video factory inspection​ ​——The mobile live broadcast takes you around the workshop to see the quality inspection process. Have you ever seen an automated workshop with a monthly output of 100,000 square meters? That equipment is as sophisticated as making chips!

4. Installation and after-sales service is the most important thing. Don’t wait until it breaks before you cry.

Don't believe the nonsense of "just put it on and forget about it"! Ask these key points:

• ​​Response speed​ ​: Not every company has 24-hour technical support
• ​​Spare parts inventory​ ​: Is there any local warehouse? (It will take half a month to wait for the accessories. You can try it.)
• ​​Training services​ ​: Teach backend system operations or not?

Last year, the screen in a shopping mall went black, and the manufacturer's engineers arrived with spare parts in 2 hours. Their after-sales team is more comprehensive than an emergency center. This is really reliable!

5. Special needs must be mentioned in advance to save big trouble.

If you want to do these tricks, you must report in advance:

1. Curved installation/special-shaped splicing
2. Remote cluster control
3. Timer automatic switch on and off
4. Fire linkage function

The coolest case I've ever seen - the screen in a certain brand's flagship store can be linked to the air conditioner and automatically lower the brightness when there are more people. I can't believe this idea!

If you ask me, buying an LED screen is like looking for a partner. You can’t just look at looks, you have to find out the details. Three tips to remember:​ ​Factory inspection to see strength, testing to see results, contract details​ ​. Next time I go to the display screen market, I will tremble when I see you in Guarantee Sales - this person is so smart!

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