... memory function, can support RGB,DVI, HDTV, S-VIDEO, NTSC/PAL format signal input resolution, from 640x480 to ... customers to configure the display unit.4.RGB and video windows can be any roaming, overlay, scaling.In ... the splicing screen, all the RGB and Video windows can be any roaming, overlay, zoom (no ... 40-screen, the device from input to output cards card, can be easy to replace from the ...