... 2 Fully Configurable Inputs Seamless Switcher, audio visual solution product, LED display Video Processor(VSP 1121) 1 3 layers Processing2. 2 Fully ... Scaler that accepts a wide variety of video signals, including RGB computer-video, HDTV,which support 4 composite(CVBS),2 VGA ... another 2 DVI output for back end DVI system like LED display. VSP 1121 is available to be controled from the front ...