3-6
FUNCTION SETTINGS
1. GAIN UP
This function makes it possible to display a clearer picture of the full range and control
the sensitivity at various depths.
z
Each press of [
←
] or [
→
] key changes the setting, "OFF, +10dB, +20dB, +30dB,
+40dB."
z
Select the desired value, and then press the Enter key.
GAIN DIAL VOLUME RANGE
WEAK GAIN STRONG
MIN GAIN TOTAL GAIN VOLUME RANGE MAX GAIN
z
When the menu gain adjust setting is changed from “OFF” to “+10dB,” the gain dial
volume increases 3 points on the scale.
z
When the menu gain adjust setting is “OFF” and the front panel dial is on “3,” it has
the same result as when the menu gain adjust setting is on “+10dB” and the gain dial
is on “0.”
0, 10, 20, 30. or 40
z
Selected GAIN UP, Gain
Characteristics Diagram
shifted accordingly shows left
under the following conditions.
Gain dial : 0
Far Gain dial
: 0
TVG Curve : 30LOG
0
10
100
1000m
OFF
+20dB
+40dB
+10dB
+30dB
0
3
6
10
0
3
6
10
0
3
6
10
0
3
6
10
0
3
6
10
Volume increases
3 points on the scale.
GAIN
H
L
MENU SETTING: OFF
MENU SETTING: +10dB
MENU SETTING: +20dB
MENU SETTING: +30dB
MENU SETTING: +40dB
GAIN00 FAR GAIN00