Installation and Operation Manual 655-7 Sonar TransducersThe transducer is a sensor that transmits andreceives sound waves into the water.• Fit the sonar transducer supplied, followingthe instructions in the TransducerInstallation Manual supplied with the chartplotter.• In case of installation of 50/200KHtransducer, water speed sensor and watertemperature sensor, an optional throughhull dual frequency sonar transducer andthrough hull speed/temperature transducerprovide more enhanced performance.Contact Samyung ENC for moreinformation.• Connect the transducer to the chart plotter.• At the system configuration window, setSonar to and set up the sonar optionsIf you use Y-Cable, the chart plotter candisplay water temperature and water speedfrom the compatible devices and receive anddisplay the depth from transducer.To connect these instruments, please connectthe cable to the unit as the below picture.Sonar cableTemp./SpeedTransducerPin No. Detail1 TD 12 Shield345 TD 26 ShieldPin No. Detail1 Shield2 Speed supply3 GND (Shield)4 TEMP.56 Speed78Sonar Cable