Noise Limiter - Furuno FSV-25 Operator's Manual

2. Click [TX/RX Setting].
3. Press the H/V/S key to select the [V] tab, then click [Freq Shift].
4. Click
5. Click [Quit] on the setting box to close the box.
6. Long-push the MENU/ESC key to close all menus.
3.9.4

Noise limiter

Weak, unwanted reflections, colored light-blue or green, appear when the water is
dirty, plankton layers exists, or due to ship's noise. The noise limiter can reduce the
effects of these unwanted reflections. Raising the setting causes unwanted reflections
to be displayed in colors of blue to background color.
1. Press the MENU/ESC key to show the main menu.
2. Click [Display Setting].
3. Press the H/V/S key to select the [V] tab.
H
Noise Limiter
Signal Level
V-Scan Color1 Setting
Default
or to change the setting. The setting range is -20 to 20.
Display Setting
1 P1
: 0
: 4
Cancel Apply
H 2 P1
Color
Color Response
V-Scan Color Curve1 Setting
Undo Redo
Default V1copy Cancel
3. VERTICAL MODE
Quit
V P1
: Color1
: Color Curve1
Switch
Apply
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