... modes: Composite, S-Video, Y/Pb/Pr, and Y/Cb/Cr. And the inpu USB Video Grabber1.Capture analog video to digital. 2 ... /Pr, and Y/Cb/Cr. And the inpu You should watch and capture the analog video signal onto you computer, and edit them, and convert them ... to keep. it can capture analog video file directly by USB interface, it has four input modes: Composite, S-Video, Y ...