The 75-inch advertising machine feels dull.

Why does the 75-inch advertising machine feel dull? The reasons why the 75-inch advertising machine feels boring are as follows:

1. display settings: check the display settings of the advertising machine to ensure that the parameters such as brightness, contrast and color saturation are set correctly. Adjusting these parameters can improve the brightness and vividness of the image.

2. Ambient lighting: When evaluating the color performance of the advertising machine, the influence of ambient lighting on the display effect should be considered. Too strong or too weak ambient light will make the color look darker.

3. Backlight system failure: Backlight system is the key part of advertising machine to produce brightness and contrast. The backlight system is out of order, which will make the display dim. Check the backlight failure of advertising machine and contact after-sales service or maintenance personnel.

4. Video source quality: The image displayed by the advertising machine comes from a low-quality video source, so the image will appear dim. Try to use a high-quality video source or adjust the output settings of the video source. Advertising display is an electronic display device specially used to display advertising content. LCD screen, LED screen or other display technologies can be used to display various forms of advertisements and promotional contents in public places such as shopping malls, stations, airports, hotel lobbies and outdoor billboards.