4.10.2 Finding echo strength (A-scope display)

The A-scope display shows echoes at each transmission with amplitudes and tone proportional to their intensities on the right 1/4 of the screen. It is useful for estimating the kind of fish school and bottom composition.

1.Press the [MENU] key.

2.Press to select MENU.

3.Press or to select ES.

4.Press to select A-SCOPE.

5.Press or to open the dialog box.

A-SCOPE

OFF

ON

6.Press to select ON.

7.Press the [MENU] key to close the dialog box.

Echo sounder picture

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A-scope display

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Depth,WaterTemp.Display

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 4-8 A-scope display

4-9

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Image 77
Furuno CH-250 manual Finding echo strength A-scope display