Furuno FCV-1150 Operator's Manual page 12

1. OPERATION
Bottom zoom display
This mode expands bottom and bottom fish
on the left-half window, and is useful for deter-
mining bottom contour. When the bottom
depth increases, the display automatically
shifts to keep the bottom echo at the lower
part of the screen.
Bottom zoom display
MANUAL L:2.0/H:2.0 BZ-LF
Bottom
40
50
45.2
ft
60
Zoom marker automatically follows
change in depth.
Marker zoom display
This mode expands chosen area of the nor-
mal picture to full vertical size of the screen on
the left-half window. You may specify the por-
tion to expand by operating the VRM (Vari-
able Range Marker), which you can shift with
or . The area between the VRM and
zoom marker is expanded. This mode is use-
ful for determining the size of fish in the middle
water.
Marker zoom display
MANUAL L:2.0/H:2.0 MZ-LF
30
Zoomed fish
echo
35
40
47.2
ft
* This area zoomed on left half of screen.
Single freq. display
1/2
0.0
0
20
Zoom marker
40
60
Single freq. display
1/2
0
VRM
20
32.3
Fish
*
school
40
Zoom marker
60
Bottom discrimination 1/2 display
The bottom discrimination 1/2 screen shows
the single picture on the right half of the
screen and the bottom discrimination display
occupies the left half of the screen. The bot-
tom discrimination display shows the bottom
as a straight line, which is useful for determin-
ing bottom hardness.
Bottom
discrimination 1/2
display
MANUAL L:2.0/H:2.0 BD-LF
*
47.2
ft
* Bottom tail
Long tail = Hard bottom
Short tail = Soft bottom
Bottom discrimination 1/3 display
This display is similar to the bottom discrimi-
nation 1/2 display except the bottom discrimi-
nator display occupies the bottom one-third of
the left half of the screen as below.
Bottom
discrimination 1/3
display
MANUAL L:2.0/H:2.0 BD-LF
*
45.4
ft
* Bottom tail
Long tail = Hard bottom
Short tail = Soft bottom
4
Single freq. display
1/2
0
0.0
10
20
5
0
40
20
60
Single freq. display
1/2
0
0.0
10
20
5
40
0
60
20