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1. OPERATION
10
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
S or T to choose Display and press the
ENTER key.
Display menu
3. Use S or T to choose A-Scope and press
the ENTER key.
A-Scope setting box
4. Use S or T 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.
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 level and the depth value. For details
about the Fish Symbols, see the information
which follows the procedures in this section.
Note: The fish level 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
S or T to choose Display and press the
ENTER key.
3. Use
S or T to choose Fish Symbols and
press the ENTER key.
Fish Symbols setting box
4. Use S or T to choose Solid or Striped and
press the ENTER key.
The level of fish symbol depends on the fish
size.
( ): Level range for meter unit
[ ]: Level range for feet unit
Display
S
/
T
/
W
/
X
: Select
[ENTER] : Enter
[MENU] : Back
A-Scope
: Off
Depth Size
: Small
Zoom Marker : Off
Temp Graph
: Off
Window Size
Battery : Off
Color Bar
: On
Palette
: White
Colors : 64
Header Info
: On
Nav Data1
:
Nav Data2
:
Fish Info
: Off
Fish Symbols : Off
Sounder
Display
Alarm
Data
System
Menu
T
Off
Normal
Peak
Symbol size, level Solid Striped
Large fish symbol
(more than 50),
[more than 20]
Small fish symbol
(10 to 49), [4 to 19]
1/1
50k
W
G:AF R:A
20
40
60
80
0
5
9.8
m
0.0
Single
frequency
display
A-Scope displa
y
Weak echo
(small fish
school or
noise)
School fish
Strong echo
(bottom)
Past amplitude
pictures are
displayed with
dots with Peak
mode.
Off
Solid
Striped