9. MULTI BEAM SONAR FURUNO DFF-3D
9.5.8
How to use terrain shading
The thickness of the shading for the seabed terrain can be adjusted.
1. Select [Settings] on the home screen.
2. Select [Multibeam Sonar] - [3D Sounder History].
3. Select [Terrain Shading]. Drag the slider bar to adjust.
The default setting is 50. See the figure below for setting and resulting terrain
shading
Setting: 0
4. Select [Close] to close the menu.
9.5.9
Depth/Color Shading display
The seabed echo and schools of fish can be shown in shades of colors according to
depth, to help you see the differences in depths more easily.
Color shading display
Color shading can be applied to the seabed echo or schools of fish. For the seabed
display, the seabed color can be multi tone or single tone, and schools of fish can be
shown in single tone or single color. For the schools of fish display, schools can be
shown in multi tone or single tone and the bottom color is in a single tone.
[Color Mode] selected to [Seabed]
Depth/Color
Shading display
Color Scale
1. Tap the 3D sounder history display to show the pop-up menu.
2. Select [Color Mode].
3. Select [Seabed] or [Fish] as required.
9-12
Depth/Color Shading
Depth/Color Shading
display
display
Setting: 50
[Color Mode] selected to [Fish]
Depth/Color
Shading display
Color Scale
Setting: 100
Depth/Color Shading
Depth/Color Shading
display
display