2. SLANT MODE
2-41
2.24.2
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 fish 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
Tilt: 40 degrees
Bottom
Bottom
Sea surface
reflections
School
of fish
Summary of Contents for FSV-75
Page 1: ...OPERATOR S MANUAL www furuno com HALF CIRCLE COLOR SCANNING SONAR Model FSV 75 FSV 75 3D ...
Page 78: ...2 SLANT MODE 2 44 This page is intentionally left blank ...
Page 110: ...4 FISH FINDER MODE 4 12 This page is intentionally left blank ...
Page 144: ...5 3D MODE 5 34 This page is intentionally left blank ...
Page 148: ...6 NUMERIC GRAPHIC DATA DISPLAY 6 4 This page is intentionally left blank ...
Page 158: ...7 HOW TO CUSTOMIZE THE SONAR 7 10 This page is intentionally left blank ...
Page 216: ...10 MAINTENANCE 10 28 This page is intentionally left blank ...
Page 234: ...INDEX IN 3 W Warning messages 10 5 X XSECT ON OFF button 5 6 Z Zoom in out 5 4 ...
Page 235: ......