Furuno SFD-1010 Operator's Manual page 142

4. MULTI BEAM SONAR DFF-3D
Cross section display
The cross section display shows
bottom and underwater conditions.
This multi beam fish finder uses a
120° beam (downward to port 60°;
downward to starboard 60°),
providing highly accurate
underwater images.
3D history display
The 3D history provides a 3D graphic of the past bottom and underwater echoes
detected by your vessel. The display can be used to detect school of fish.
4-8
Port Own Ship STBD
School
of fish
bottom