Outdoor display system function overview
As a kind of emerging display media, LED display has been rapidly developed with the rapid development of large-scale integrated circuits and computer technology. It is a traditional display media - colorful neon lights, pixel tube TV wall, four-color magnetic flip board. In comparison, as a new generation of display media, it has been widely used for its advantages such as high brightness, good dynamic image display, low failure, low energy consumption, long service life, various display contents, rich display modes, and high performance-cost ratio. All walks of life. In particular, the grayscale display screen has been used as an irreplaceable display medium for its image and propaganda in public institutions and public places. 
1. Screen body
The control line of the display screen receives signals from the computer and drives the LED dot face to emit light. The display screen is composed of LED light emitting devices and control circuits. The entire display screen is composed of unit boards with the same structure, and the unit boards can be interchanged, which will make the installation and maintenance of the screen body more concise and convenient. The area of ​​the display can be made up of an integral number of cell boards according to the customer's requirements.
2. Computer and its external equipment
In the system, the content played by the screen body is a control system that is produced and processed by a computer and then transmitted to the display screen body via a line. Computer external devices, such as scanners, can input various pictures to the computer.
3. Video peripherals
The video information can be displayed on the display. Video information is input through video peripherals such as televisions, VCD players, video recorders, and video cameras.
4. Audio equipment
After the display is connected to amplifiers and speakers, it can play music, and can also broadcast news, advertisements, and other information synchronously with the screen to achieve synchronized audio and video, making the display of the screen more infectious and sensational.
5. Communication system
The information displayed by the system is transmitted to the control circuit on the screen body through the transmission line after being processed by the computer, and then displayed on the screen body. Other computer peripherals, video peripherals, audio equipment, etc. are connected to the computer's input, so that the line connection is very clear, easy to install, use, and maintain.
6. Computer Network
The system can be remotely controlled via a computer.
1. Can display the national standard two-level Chinese character fonts (Chinese and English, etc.), fonts can have a variety of choices (Song, imitation Song, Shu Shu, Lishu, Weibei, Yao body and traditional) font size can be large or small (Chinese characters from 16 to 72 points array Infinitely variable
2. External scanner, scan input various pictures, patterns (including handwritten fonts)
3. Input video signal (television, video, laser disc), real-time display dynamic TV screen, can display other charts, animation at the same time
4. Computer signals can be input to display the content of the computer monitor in real time, such as various forms, curves, and pictures processed by the computer (stock quotes, stock analysis, deposit interest rates, foreign exchange quotes). At the same time, Beijing time, weather forecast, and various types can be displayed. News, current events, display methods, and residence time can all be controlled
5. Animation display modes are various, such as top down, left and right, middle expansion, moving shutters, marquee effect, etc.
6. The display time of each picture can be controlled and can be automatically switched
7. You can open the window display, which corresponds to the part of the display computer monitor pattern
8. The pixel of the information screen corresponds to the computer monitor point by point and is mapped. Easy to adjust the mapping position
9. Programs can be replaced at any time, including the content of the program, the order of playback, the length of time played, etc. The changed program can be displayed in time.
10. Control computer can be used as a workstation on the network to read real-time data from a specified server and display it on the display
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