• UD100 is designed for 4k projector warp, stacking and curved screen edge blending with the flexibility to provide multiple processing modules to control from 1 to 4 projectors. UD101 is integrated with one processing module to control one projector, UD102 for 2 projectors, UD103 for 3 projectors and UD104 for 4 projectors. One UD104 can execute 4 UHD projector edge blending with projectors, HDMI cables and signal source without any additional equipment or splitter. Multiple UD100 can be cascaded for large scale display.