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Compositions of LED display system has 3 parts: signal source, the control system and display screen
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Signal source: All signals receivable
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Character generator: display rolling characters
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Recorder: Play video tape signal
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TV: receiving local broadcast signals
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Video camera: Receiving video camera signal, live broadcasting.
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Disc player：Play DVD，VCD.
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PC：real-time display the contents from PC
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LED Control system
Signal access, transformation, processing, transmission, and image control.
Through various cards (such as video capture card or multimedia cards), converting analog signals to digital signals. Transform and process the signals according to LED display’s characteristics, reduce the image through scanning circuits.
Screen displays
Display the contents of signal source.
Display text, graphics and photographs or image video information. It can live broadcast radio, television and satellite television; Plays contents from VCR, DVD and other video programming; a variety of graphics, design, animation, text can be displayed. Text can be endlessly zoomed or queried.
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