Furuno 3D Sonar Visualizer F3D-S, Руководство оператора

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2. UPPER USER MENU
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How to change the horizontal position for trawl mark
To change the horizontal position for trawl mark, do one of the following:
• When is selected, put the cursor on a trawl door mark and drag the trawl door mark to the
desired position.
• When is not selected, right-click a trawl door mark then click [Move]. The icon changes
to the selected status. Drag the trawl door mark to the desired position.
How to delete the trawl mark
To delete the trawl mark, do one of the following:
• When is selected, click .
• When is not selected, right-click a trawl door mark then click [Delete].
Trawl filter
The trawl filter function detects the trawl doors. The echoes from trawl doors are emphasized and
the echoes from fish school and seabed are suppressed.
Note: The trawl filter can selectively detect the trawl doors in the specified direction. However, in
some cases, where the trawl doors are at the edge of the detection area, the trawl doors may not
appear on-screen. If this happens, disable the trawl filter.
To activate the trawl filter, do the following.
1. Click to show the upper user menu.
2. Click .
3. Click to activate the trawl filter function. The icon is highlighted.
To deactivate the trawl filter, click again.
Trawl filter: OFF
Trawl mark: ON
Trawl filter: ON
Trawl mark: ON
Central orientation of trawl filter
(The orientation from own ship to the midpoint of the line
connecting one trawl door mark to the other trawl door mark)
Trawl filter: ON
Trawl mark: OFF
: Central orientation
of trawl filter
(Requires Top
View or 3D View)
Click any location
on the screen.
The moves to
the same distance
from the own ship
mark along the
track line.