Humminbird 398ci SI Combo Operation Manual page 166

Scroll: Press the UP or DOWN Cursor keys to scroll through the list. As
each lake is highlighted, you can view information about the lake in the
white box displayed on the screen.
Cursor To: Highlight a lake on the list and press the RIGHT Cursor key
to move the active cursor to the location you've chosen. You can then
mark waypoints, or press the GO TO key to start navigation toward a
waypoint, or press the CHECK/INFO key for more information.
Depth
Highlight
Water Level
Offset
Contour Lines
Chart Menu Tab
Chart View with LakeMaster®
154
Shallow Water
Highlight