A-Scope Display; Fish Information - Furuno Color LCD Sounder FCV-620/585 Operator's Manual

1. OPERATION

1.14 A-Scope Display

This display shows echoes at each transmission
with amplitudes and tone proportional to their
intensities, on the right of the screen. It is useful
for estimating the kind of fish school and bottom
composition.
Note: In the dual frequency display, the A-
Scope display is only available with the high fre-
quency display.
1. Press the MENU/ESC key to open the menu.
2. Use or to choose Display and press the
ENTER key.
Menu Display
Sounder A-Scope
Display Depth Size
Alarm
Zoom Marker : Off
Data
Temp Graph
System
Window Size
Battery
Color Bar
Palette
Colors
Header Info
Nav Data1
Nav Data2
Fish Info
Fish Symbols : Off
/
[ENTER]
[MENU]
Display menu
3. Use or to choose A-Scope and press
the ENTER key.
Off
Normal
Peak
A-Scope setting box
4. Use or to choose the A-Scope presen-
tation type desired and press the ENTER
key.
Normal: Display shows echoes at each
transmission with amplitudes and tone pro-
portional to their intensities.
Peak: "Normal" A-Scope display plus peak-
hold amplitude picture for last five seconds in
dots.
5. Press the MENU/ESC key twice to close the
window.
: Off
: Small
: Off
: Off
: On
: White
: 64
: On
:
:
: Off
/ / : Select
: Enter
: Back
G:AF R:A
50k
0
0.0
Single
frequency
20
display
40
Strong echo
(bottom)
60
59.8
m
80
A-Scope display
Note: To turn off the A-Scope display, choose
Off at step 4 and then press the ENTER key.

1.15 Fish Information

You can turn the fish symbol indication (Solid or
Striped) on or off. Also, you can show or hide
the fish size and the depth value. For details
about the Fish Symbols, see the information
which follows the procedures in this section.
Note: The fish size found by this sounder is
intended for reference purposes; it is not an
accurate measurement of fish length.
Fish Symbols
1. Press the MENU/ESC key to open the menu.
2. Use or to choose Display and press the
ENTER key.
3. Use or to choose Fish Symbols and
press the ENTER key.
Fish Symbols setting box
4. Use or to choose Off, Solid or Striped
as appropriate and press the ENTER key.
The symbol size depends on the fish size.
Fish size
Large fish symbol
(more than 50 cm, or
more than 20 inches)
Small fish symbol
(10 to 49 cm, or
4 to 19 inches)
10
1/1
A-Scope display
Weak echo
(small fish
school or
noise)
School fish
Past amplitude
pictures are
displayed with
dots with Peak
mode.
Off
Solid
Striped
Solid Striped