7. FISH FINDER (SOUNDER)
7-5
7.3.4 A-scope display (display only)
The A-scope display appears at the right of the screen and is available in any fish find-
er 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 spe-
cies and bottom structure.
How to show or hide the A-scope display
Tap the screen to show the pop-up menu, then turn [A-Scope] on or off.
A-scope peak hold
You can show the peak-hold amplitude image on the A-scope display. With [A-Scope
Peak Hold] turned on, the image is slowly erased to help discern amplitude condition
more easily.
1. Open the home screen, then tap [Settings] - [Sounder].
2. Turn on [A-Scope Peak Hold].
3. Tap the close button to finish.
A-scope display
Single frequency display
Strong
reflection
(bottom)
Fish
echo
Fish
echo
m
HF
40.4
(
S
)
Weak reflection
(small fish or noise)
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