Furuno FCV-30 - Manual (Page 63)

2. WINDOW DISPLAYS
2-9
Fish size dialog box, Display tab
Note 1: If the Measurement or Unit dialog box appears, click the Display tab to open the
Display dialog box.
Note 2: “Radius scale” sets the width of the area in degrees (2-5) to display below the
transducer (beam center). The larger the figure, the greater the area in which a single fish
can be tracked.