22 GPSMAP 400/500 Series Owner’s Manual
Using Charts
Using the Chart/Sonar Screen
NOTE: The Chart/Sonar screen, like the Sonar screen, is only
available when using a sonar capable unit with a transducer attached.
Use the Chart/Sonar screen to view the Navigation chart, Fishing
chart, Mariner’s Eye 3D, or Fish Eye 3D and sonar at the same time.
To view a split chart/sonar screen:
1. From the Home screen, select Chart/Sonar.
2. Select the type of chart on the split screen.
Navigation
chart screen
Sonar
screen
Navigation/Sonar Combination
To access additional settings or options for the chart/sonar
screen, press MENU.