Raymarine DS400X Specifikace stáhnout pdf (Strana 43)

Chapter 4: Main Menu 33

A-Scope

Use the A-Scope screen to show raw sonar data directly from the transducer

beam. This gives you a “real time” image of fish and bottom structure

directly below the transducer. This function is very useful in showing the

strength of the echo returned from a fish. The display is split vertically, with

the A-Scope image in the right hand window and the scrolling bottom image

in the left hand window.

Select one of the three modes for A-Scope, as demonstrated in Figure 4-1 :

• OFF, in which A-Scope does not appear.

• ON-1, in which the image takes up the entire A-Scope window.

• ON-2, in which only the left side of the image displayed in Mode ON-1

expands to the entire A-Scope window. This mode provides the greatest res-

olution.

• ON-3, in which the A-Scope image is angled outward as the signal width

(indicated with dotted lines) increases with depth.

The default setting is OFF.

Figure 4-1: The Three Modes of A-Scope

45.2

A-SCOPE Mode ON-1 Mode ON-2 Mode ON-3

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Raymarine DS400X Specifikace Strana 43