An operator's manual for the hydroacoustic data collection system

A description of the parts of the various pieces of equipment in the system is included along with photographs indicating the locations of connectors and controls. The interconnections of the various system components are outlined. System setup, calibration, and operation during a hydroacoustic survey are described. The major components of the hydroacoustic data collection system include a Ross model 200 A echo-sounder chart recorder, an interface amplifier, a Sony model 560D magnetic tape recorder, a Teredo ac to dc power inverter, a variac (variable transformer) and an oscilloscope.