Furuno FCV-1900 User Manual

1. OPERATION
1-24
2. Select [Sounder], then push the ENTER knob.
3. Select [Color Erase], then push the ENTER knob.
4. Select the color to erase, then push the ENTER knob.
The larger the setting value, the greater the number of colors the are
erased.
5. Press the MENU/ESC key several times to close the menu.
1.19 Rejecting Low Level Noise
Low intensity “speckles” may appear over most of screen. This is mainly due to sedi-
ment in the water or noise. These unwanted echoes can be rejected.
1. Press the MENU/ESC key, then open the [Setting], [External fish finder] or [Tele-
sounder] tab.
2. Select [Sounder], then push the ENTER knob.
3. Select [Clutter], then push the ENTER knob.
For [Setting] and [Telesounder] tab, go to next step. For [External fish finder] tab,
go to step 7.
4. Select [HF Clutter Curve] or [LF Clutter Curve] as applicable, then push the EN-
TER knob.
5. Select [Std] or [Linear], then push the ENTER knob.
• [Std]: Strong color echoes are displayed as is and weak color echoes are shown
smaller, when the clutter level setting is raised.
Color Erase
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
Clutter
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Clutter
HF Clutter
HF Clutter Curve
LF Clutter
LF Clutter Curve
40%
Std
40%
Std
For [Setting] and [Telesounder] tab For [External fish finder] tab

Furuno FCV-1900 Specifications

General

Brand	Furuno
Model	FCV-1900
Category	Fish Finder
Language	English