Forward Detection History Mode - Furuno FSV-75 Operator's Manual

5. 3D MODE
5.4.1

Forward detection history mode

The forward detection history mode scans the forward area of own ship, and shows
the sonar echoes in 3D format. This mode is useful for estimating the profile of the sea-
bed.
Note: The AUTO SWEEP and AUTO TILT keys are not used in the forward detection
history mode.
Scan image
Start tilt angle for the forward detection history mode
You can change the starting tilt angle as follows.
1. Open the menu.
2. Select [7 3D Functions], then left-click.
3. Select [2 Display Mode], then left-click.
4. Select [3 FWD Detection HIST], then left-click.
5-8
100%
R 200m
T 90°
R0 0°
3D G 5.0
P 1