Owner's Manual
Page 51
From the Home screen, select Sonar > Full Screen. Using Sonar When connected to a transducer, the following chartplotters can be used as fishfinders: GPSMAP 420s GPSMAP 421s GPSMAP 520s GPSMAP 521s GPSMAP 550s GPSMAP 551s GPSMAP 450s GPSMAP 451s GPSMAP 525s GPSMAP 526s GPSMAP 555s GPSMAP 556s Understanding the Full Screen Select the Full Screen option to view a full-screen graph of the transducer's sonar readings. Depth Temperature Speed Suspended targets Transducer frequency Full Screen Using Sonar Range GPSMAP 400/500 Series Owner's Manual 45
From the Home screen, select Sonar > Full Screen. Using Sonar When connected to a transducer, the following chartplotters can be used as fishfinders: GPSMAP 420s GPSMAP 421s GPSMAP 520s GPSMAP 521s GPSMAP 550s GPSMAP 551s GPSMAP 450s GPSMAP 451s GPSMAP 525s GPSMAP 526s GPSMAP 555s GPSMAP 556s Understanding the Full Screen Select the Full Screen option to view a full-screen graph of the transducer's sonar readings. Depth Temperature Speed Suspended targets Transducer frequency Full Screen Using Sonar Range GPSMAP 400/500 Series Owner's Manual 45