Oh, how upsetting you said this is! The LED large screen that Lao Wang had just installed yesterday. When debugging on site today, the entire screen seemed to be in a state of malaria. He was so anxious that he grabbed the control box and sweated: "Where should I adjust the brightness of this full screen? "I believe that many friends who are new to LED screens have encountered similar crazy moments. Don’t panic, today we will break and talk about the brightness adjustment path.

​​First understand the three key parts​ ​. Just like cooking, you have to know where the stove switch is, and adjusting the brightness, you have to find the control center: 1. The physical knob on the control card (some old devices are still retained) ； 2. The brightness slider in the control software ； 3. The position of the ambient light sensing probe. Last week, a customer installed the induction probe directly under the spotlight, and the screen performed "Sichuan Opera Face Change" all day long. How can there be no problem?

​​Five steps to adjust brightness​ ​It looks simple, but you need to be careful when doing it. First, touch the screen border and find the adjustment area with gear markings - now many smart screens have been changed to touch panels. Operation in sequence: ① Press and hold the power button for 3 seconds to activate the menu ② Select "Brightness Adaptive" mode ③ Manually fine-tune the reference value (800-1200 indoors, starting from 4000 outdoors) ④ Save the current configuration ⑤ Restart verification effect. Notice! Don't skip the third step and save it directly. Last time a guy was lazy, but the screen was so bright that it could blind people.

Speaking of this, someone must ask: "Why do the gray screen always have color blocks after I adjust the brightness? "In fact, to put it bluntly, grayscale didn't keep up. It’s like you only adjust the wattage of the lamp bulb, but not the light transmittance of the lampshade. At this time, you need to enter advanced settings to pull the refresh rate to above 1920Hz, and at the same time check "Dynamic Grayscale Compensation". Just like the floor screen plan our company made for concerts, no matter how happy the actors jump, the picture is still as stable as an old dog.

When encountering a situation where life and death are not correct, it is probably these three pitfalls that are making trouble: 1. The power load is unbalanced (check whether the voltage difference of each module is < 0.5V) 2. The signal wire is connected in the reverse (don't laugh, someone really plugs the IN and OUT invert) 3. The control software version is too old. Last year, a shopping mall had a large screen that was haunted and automatically darkened in the middle of the night. Later, it was discovered that the software did not update the daylight saving time settings. So, regular upgrades and maintenance are very important, just like our technical team is on standby 24 hours a day, and can provide remote diagnosis at any time.

Finally, let me tell you a cold knowledge: the higher the brightness, the better! The screens used in hospitals are deliberately controlled below 800cd/m². Why? Too bright and hurt your eyes! Think more about the usage scenarios when adjusting the screen next time - is it a shopping mall eye-catching? Or should the conference room be comfortable? Finding the right balance is the king. By the way, if you really can't handle it, remember to find a manufacturer to debug the manual. Now regular products come with full life cycle technical guides, which is much more reliable than those wild tutorials on the Internet.

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