Furuno FSV25S, Operator'S Manual

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2. HORIZONTAL MODE
2-28
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 [Select Mark] window.
2. Click the circle cursor.
The [Select Mark] window disappears, then the cursor is changed to the circle cur-
sor.
3. Place the circle cursor on a school of fish.
4. 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.
5. 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.
6. Right click to quit the measurement.
The circle cursor is changed to the normal cursor.
Note 1: The event mark 1, event mark 2, fish mark, target lock mark, estimate mark
1, and estimate mark 2 can be entered from the [Select Mark] window. Push the left
button to enter the mark selected on [Select Mark] window.
Note 2: The diameter of the circle can be adjusted with the scrollwheel. See your deal-
er for details.
Selected mark name
Scan mode in which mark can be entered
Circle cursor
83 m
Diameter of the circle cursor