LED display =mediumcame into being in the 1990s. Due to the appearance and development of high-brightness LED, it has been applied in the world. In just 20 years, LED display technology has developed rapidly, and has become a modern information and media release information products. So what is the function of LED display?=medium1. Video broadcast functions: =medium1. Brightness, contrast, saturation and chroma can be adjusted by software with a range of 256 levels. =medium2. Use line-double function to convert interlaced screen into non-interlaced screen for movement compensation. =medium3. Broadcast camera can display video images in a clear and flicker-free way to realize live broadcast of various programs. =medium4. Play video programs, such as VCD, DVD, LD, etc., to meet the basic needs of recreational activities. =medium5. One audio signal is provided for power amplifier, and at least two camera video input ports are left.=mediumIi. Information release function:=medium1. Display date, time or string, expression.=medium2. Declaration of national policies, regulations and service commitments.=medium3. Can display a variety of computer information, graphics, drawings and second, three-dimensional animation, etc., with rich playback mode, display rolling information, notices, slogans, etc., large storage capacity of data information.=medium4. There are many Chinese fonts and fonts to choose from, and you can also input English, French, German, Greek, Russian, Japanese and many other foreign languages.=medium5. The broadcasting system has multimedia software, which can input and broadcast various information flexibly; Can play text information, play form can roll point, roll line, introduce lead out mode, can move up, left move, message can loop broadcast. Font and font size can be arbitrarily selected and playback speed can be set. In addition, multiple messages can be broadcast simultaneously or simultaneously with animation and image.