Furuno FSV-75, Operator'S Manual

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4. FISH FINDER MODE
4-7
3. Select [0 Next], then left-click.
4. Select [1 TVG], then left-click.
5. Select [1 TVG Level], then left-click.
6. Select the desired setting, then left-click.
The higher the level the less the gain at near distance.
Note: When the FCV-1200/1500 is connected, TVG level must be
“0”.
7. Select [Quit], then left-click.
8. Select [2 TVG Distance], then left-click.
9. Left-click the
S
or
T
button to select the desired setting.
10. Select [Quit], then left-click.
11. Close the menu.
4.11 Smoothing
If echoes appear like “patchwork,” turn this feature on to smooth them. This feature is
effective to reduce screen flickers at night.
1. Open the menu.
2. Select [6 Fish Finder], then left-click.
3. Select [9 Smoothing], then left-click.
4. Select the desired setting, then left-click.
The more the setting value, the more this feature works.
5. Select [Quit], then left-click.
6. Close the menu.
4.12 How to Remove Unwanted Echoes near the Sur-
face
The STC feature can remove unwanted echoes near the surface. Use this function
when you want to see fish near the surface clearly.
1. Open the menu.
2. Select [6 Fish Finder], then left-click.
3. Select [0 Next], then left-click.