Sony Corporation of America. Sony Automatic Editing Control Unit, RM 440, Operating Instructions. Table of Contents holds Connections, Preparation for editing, Select the editing mode, Determine the beginning and end of the scene to be recorded, and to begine editing. Under Advanced Operation, one finds the following sections: To rehearse before editing, To check the recording, Quick editing, Fine adjustment of the editing points using the time counter, Continuous editing, Editing with a signal from a video camera, Manual editing, Useful operation, Location of parts and controls, Technical specifications, and Trouble checks. This comprehensive guide uses numerous photographs and diagrams in its instruction.