Dual Frequency Display; Zoom Displays - Furuno FCV-288 Operator's Manual

Display
mode
Range
AUTO_R
*
11.1
kt SOG
Zero line
8.2 °C
Data box
Fish
Color
echo
bar
Bottom
Depth 36.8
ft
*Minute marker ( two different color bars in 1 min.)
1.4.2

Dual frequency display

The 50 kHz picture appears on the left; the
200 kHz picture on the right. This display is
useful for comparing the same picture with
two different frequencies.
AUTO_R L:AF LF/HF
50 kHz
picture
20
40
36.8
ft
60
Freq.
Beamwidth Resolution
(kHz)
50 Wide Low
High
200 Narrow
1.4.3

Zoom displays

Zoom mode expands chosen area of the sin-
gle frequency picture. Three modes are avail-
able: bottom lock, bottom zoom and marker
zoom. The default zoom mode is bottom lock.
Bottom lock display
The bottom lock display provides a normal
picture on the right half of the screen and a
16-600 feet (default: 30 feet) wide layer in
contact with the bottom is expanded onto the
Picture advance
Gain
speed
Alarm
icon
x1
LF L:AF
0
0.0
20
Depth scale
40
60
x1
H:AF
0.0
200 kHz
picture
20
40
60
Detection
Bottom
range
tail
Deep Long
Shallow Short
left half of the screen. This mode is useful for
detecting bottom fish.
Bottom lock display
AUTO_R
Zoomed
fish
21.7 21.7
m m
* This section zoomed on the left half.
Bottom displayed flat
Note 1: To adjust the range of the zoom dis-
play, go to the [Range] menu
(see section 2.2).
Note 2: To show or hide the zoom marker, go
to the [Display] menu.
Bottom zoom display
The bottom zoom mode expands bottom and
bottom fish on the left-half window. This mode
is useful for tracking bottom contour. When
the bottom depth increases (or decreases),
the display automatically shifts to keep the
bottom echo at the lower part of the screen.
Bottom zoom display
AUTO_R
Bottom
45.2
ft
Zoom marker automatically follows change
in depth.
3
1. OPERATION
Single freq. display
BL-LF L:AF x1
0.0
0
Zoom Marker
40
20
Fish
50
40
60
60
Single freq. display
x1
BZ-LF L:AF
0.0
0
40
20
Zoom marker
50
40
60
60
*