Furuno FSV-85 User Manual

4. SLANT MODE
4-34
4.22.2 School of fish
A school of fish appears as a mass of echoes on the screen. The color of the mass
shows the density of the fishes and the size of the mass how they are distributed. In
the following figures, the same school of fish is observed with two different tilt angles.
From the left figure, the operator can know the horizontal distribution of the school of
fish and from the right figure the vertical distribution.
School of fish on surface
School of fish on bottom
Width (Horizontal distribution Thickness (vertical distrtribution)
Depth
Distance
Tilt: 20 degrees
Sector Center : 0 degrees
Range: 400 m
Tilt: 90 degrees
Sector Center : 300 degrees
Range: 400 m
Bottom
Sea surface
reflections
Tilt: 5 degrees
Bottom
Bottom
Sea surface
reflections
T
ilt: 40 degrees
School
of fish

Furuno FSV-85 Specifications

General

Brand	Furuno
Model	FSV-85
Category	Sonar
Language	English