Municipal engineering LED display solution 1. Features and advantages of the program 1. Automatic brightness adjustment: With a photosensitive control system, the brightness of the display can be automatically adjusted according to the changes of indoor and outdoor light, which is energy-saving and environmentally friendly. 2. Dual-wire hot backup: With dual network cable hot backup function, two computers control one LED display screen at the same time. When one computer has a problem, the other computer will automatically take over to ensure the normal operation of the display screen. 3. Optical transmission: The high-speed optical fiber transmission system effectively reduces the signal delay caused by long transmission distances and ensures the consistency of the screen playback. 4. Timing switch: Timing switch large screen, to achieve unattended. 5. Remote monitoring: Remotely monitor the operation of the large screen. 6. Centralized remote control: Remotely control the large screen, support network control function, compatible with wireless, broadband, 3G network, so that you can control the display screens of several cities in one place, and change the content you want to play at any time. 7. Environmental monitoring system: Equipped with an environmental monitoring system, the large screen is equipped with smoke and temperature infrared probes, and the safe operation of the large screen can be monitored at any time. 8. There is a built-in lightning protection device to prevent the display screen from being burned due to being struck by lightning. 9. The design of the screen body fully considers the characteristics of outdoor use, adopts the protection standard above IP65, and can operate normally in low temperature, strong wind, hail and other bad weather, and can work normally at minus 35°. 2. The equipment and principle of the scheme .