Operator's Manual

7. FISH FINDER

7-6

7.2.4 A-scope Display (display only)

The A-scope display appears at the right 1/16 of the screen and is available in any fish

finder mode. This display shows the echoes at each transmission with the amplitudes

and tone in balance with their intensities. This display helps you identify possible fish

species and bottom structure.

How to show or hide the A-scope display

Use the RotoKey to select [A-scope] then push the key to show or hide the A-scope

display.

A-scope peak hold

You can show the "normal" A-scope display plus the peak-hold amplitude picture for

the last five seconds in dots. To show the peak hold display, open the [Fish Finder-

General] menu. Use the RotoKey to select [A-Scope Peak Hold] then push the key to

activate or deactivate peak hold.

A-scope

display

Fish echo

Weak reflection

(small fish or noise)

Single frequency display

"Peak" shows past amplitude with dots.

Strong reflection

(bottom)

46.1