Furuno FSS-3BB, Operator'S Manual

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1. OPERATION
1-25
1
1.15 How to Use the A-scope Display
The A-scope display shows echoes at each transmission with amplitudes and tone
proportional to their intensities, on the right side of the screen. It is useful for estimating
the species of a school of fish or determining bottom composition.
To show or hide the A-Scope display, click the [A-Scope] icon ( ) from the [Display]
menu, on the InstantAccess bar™. The icon changes to green color when the A-scope
display is active.
1.16 How To Show/Hide The Depth Indication
The current depth indication appears at the bottom-left corner of the screen. You can
show or hide the depth indication to suit your preferences.
To show/hide the depth indication, click the [Depth] icon ( ) from the [Display] menu
on the InstantAccess bar™. The icon changes to green color when the depth is
shown.
1.17 How To Show/Hide The Depth Scale
The depth scale is displayed to the far right-hand side of the screen.
To show/hide the depth scale, click the [Depth Scale] icon ( ) from the [Display]
menu on the InstantAccess bar™. The icon changes to green color when the depth
scale is shown.
School of fish School of fish
A-scope display
Strong echo (seabed) Strong echo (seabed)
Weak echoes
(small school of
fish or noise) Weak echoes
(small school of
fish or noise)
School of fish School of fish