How To Compare With The Circle Cursor - Furuno FSV-25 Operator's Manual

2.16.2

How to compare with the circle cursor

You can get an estimate of the volume of two schools of fish with the circle cursor as
follows:
1. Push the scrollwheel to show the circle cursor.
The cross cursor changes to the circle cursor (dotted line).
2. Place the circle cursor on a school of fish.
3. Rotate the scrollwheel to adjust the size of the circle cursor.
Set the school of fish in the circle cursor to estimate correctly. The diameter of the
circle cursor is displayed below the circle cursor.
Note: The last digit is rounded of when the diameter is greater than 100 m.
4. Place the circle cursor on another school of fish to estimate the volume.
You can compare the volume of two schools of fish with the diameter of the school
of fish.
5. Right click to quit the measurement.
The circle cursor is changed to the normal cursor.
Note: Set the diameter of the circle cursor at [Circle Cursor Diameter] in the [Display
Setting] menu (default: 200 m). See section 6.3.
83 m
Diameter of the circle cursor
2. HORIZONTAL MODE
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