Furuno MFD8 Guía Del Usuario
7. Fish Finder
7-13
7.8
How to Erase Weak Echoes
Sediment in the water and reflections from plankton appear on the display in
low-intensity colors. You can erase these weak echoes with [Color Erase] from the
[Fish Finder] menu.
low-intensity colors. You can erase these weak echoes with [Color Erase] from the
[Fish Finder] menu.
1.
Press the MENU key to open the menu.
2.
Open the [Fish Finder-DFF/FCV] (or [ETR]) menu.
3.
Use the RotoKey to select [Color Erase].
4.
Rotate the RotoKey to select the percentage of colors to erase then push the Ro-
toKey to validate your setting. Select a low percentage to erase weak echoes. In-
crease the percentage to erase strong echoes.
toKey to validate your setting. Select a low percentage to erase weak echoes. In-
crease the percentage to erase strong echoes.
5.
Press the MENU key to close the menu.
Weak
echoes
echoes