A-Scope Display - Furuno FCV-30 Operator's Manual

1.17

A-scope Display

The A-scope display shows echoes at least at each transmission with amplitudes and tone
proportional to their intensities. It is useful for estimating fish specifies and bottom
composition.
1. Click Disp.
2. Click Mode.
3. Use the trackball to choose the desired A-scope display and then push the left button.
Small: A-scope display shown on right 1/10 of the screen.
Standard: A-scope display shown on right 1/8 of the screen.
Large: A-scope display shown on right 1/6 of the screen.
4. Click the OK button.
TS
A-scope display
To turn off the A-scope display, choose OFF at step 3 in the above procedure.
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34 42.616' N
135 19.740' E
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1. OPERATIONAL OVERVIEW
A-scope display
Weak reflection
(small fish or noise)
Strong reflection
(fish school)
Strong reflection
(bottom)
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