Source:Colorado Video Incorporated, Boulder, CO (1969)
Colorado Video Incorporated Instruction Manual For Model 201-B Video Converter. Description, Operating Instructions, Maintenance, Table of Control Functions, Schematics. "The model 201-B Video Converter is an instrument designed to convert conventional "real-time" television signals to much lower bandwidths through the use of electronic sampling techniques..." Meant to transmit video data in the audio frequency range through a communications link. Slow-Scan.