CS 104 ENG/EFP Audio Mixer Operator's Manual

Complete operator's manual for the Cooper Sound Systems Model CS 104 portable audio mixer, an essential reference for ENG/EFP field production work. Provides detailed descriptions of front, left, and right panel layouts with clear explanations of all control functions and their operational roles. Includes full technical specifications, connector pin-out diagrams for proper wiring and troubleshooting, precise trimmer and switch location diagrams for calibration and adjustment, comprehensive block diagram showing signal flow, and practical application notes for real-world use. The 4 input channels feature independent gain control, pan potentiometers, and high-pass filters with pre-fade listen monitoring for each channel. Master section covers oscillator functionality, battery test procedures, limiter controls with threshold adjustment, meter selection options, and headphone monitoring setup. Details all audio I/O connectors including balanced XLR audio inputs and outputs, dedicated 10-pin camera connector for sync and control signals, auxiliary tape output, and external power connector specifications. Essential for operators, technicians, and anyone maintaining or troubleshooting this portable mixer in the field.