Koden ESR-S1BB, Operation Manual

Page: 41 / 73

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.

Each press of [ ← ] or [ → ] key changes the setting, "OFF, +10dB, +20dB, +30dB,
+40dB."

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

When the menu gain adjust setting is changed from “OFF” to “+10dB,” the gain dial
volume increases 3 points on the scale.

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

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