Raymarine C Series Reference Manual page 113

Chapter 5: Using the Fishfinder
There are three A-Scope modes which are selected for individual fishfinder windows:
I
To display the A-Scope image:
1. Select the A-Scope option:
A-SCOPE...
2. Select the required A-Scope mode:
A-SCOPE MODE
1
Toggle to required
mode
Selecting A-Scope automatically switches OFF Bottom Lock and Zoom.
Note:
MODE 1
The A-scope
image is centred
in the window.
A-SCOPE
ON
Toggle to ON
OK
MODE 2
The left-hand side
of the Mode 1
image is expanded
to give a more
detailed view.
Standard fishfinder image
99
MODE 3
The A-scope
image angles
outward as
signal width
increases with
depth.
D6674-3
A-scope
image
0
20
30
40
50