10
1.12 A-scope Display
This display shows echoes at each transmis-
sion with amplitudes and tone proportional to
their intensities, on the right 1/3 of the screen.
It is useful for estimating the kind of fish
school and bottom composition.
32.3
10
20
30
40
A-scope
display
Normal
display
200k0.0
0
Figure 1-25 A-scope display
1. Press the A-SCOPE key. The A-SCOPE
selection display appears.
A-SCOPE
OFF
ON
▲
▼
Figure 1-26 A-scope selection display
2. Press ▲ or ▼ to select OFF or ON.
3. Press the MENU ESC key.
1.13 User Menu
The User menu has several functions which
require adjustment according to operating
conditions.
1. Press the MENU ESC key to display the
User menu.
0 -20 +20
1 1 9
OFF NL1 NL2 NL3
NOISE LIMITER
CLUTTER
AUTO 0 16
VRM WHITE MARKER
MARKER
HUE
GAIN ADJ 200kHz
0 -20 +20
GAIN ADJ 50kHz
▲▼ : To select item
ts: To set condition
Figure 1-27 User menu
2. Press ▲ or ▼ to select menu item. As you
operate ▲ or ▼, the selected item and its
current setting are displayed in yellow.
3. Press t or s to set condition.
4. Press the MENU ESC key to close the
menu.