... 2 Fully Configurable Inputs Seamless Switcher, with Preview monitor, USB input, LED display Video Processor(VSP 1121) 1 3 ... enable for the program output. Numerous seamless transition effects, triple windows operation, variety user configuration, pixel-to-pixel, ... using the RGBlink software. Seamless Switcher, with Preview monitor, USB input, LED display Video Processor(VSP 1121)Demo diagram Seamless ...