Furuno FCV-1200L Operator's Manual page 17

BOTTOM ZOOM
The bottom zoom display shows the zoomed bottom (automatically tracked) on the left 1/2 of
the screen. When the bottom depth increases, the display shifts to keep the bottom echo at the
lower part of the screen.
Bottom zoom
display
Bottom
MARKER ZOOM
The marker zoom display expands the area selected with the VRM on the normal picture to full
vertical size of the screen on the left-half window. This mode is useful for observing specific fish
school.
Marker zoom
Zoomed fish school
1/1
24
26
28
30
32
29.8
ft
34
Bottom zoom display
12
display
14
16
18
20
25.0
ft
Marker zoom display
LF
0
0 0
10
Single frequency display
20 Zoom marker (current)
30
Zoom marker (past)
40
1/1
LF
0
0
0
10
11.5
Fish school
20
30
40
Zoom marker
VRM (Green)
This area is zoomed.
Single frequency display
1-7