Sony Corporation of America. New Product Information. Professional Teleproduction Quality, VO-2850 U-Matic Color Videocassette Recorder/ Player with Electronic Editing, RM-400 Automatic Editing Control Unit, RM-410 Remote Control Unit. This yellow leaflet includes an Introduction, a section on Features, and a section with illustration on Using the RM 400. The back cover holds VO-2850 Specifications.