Furuno FCV-38 Manual page 106

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4. ADVANCED SETTINGS
Menu item
[White Marker]
[Pic. Advance]
[Smoothing]
[Clutter]
HF and LF menus
Menu item
[Gain]
[TVG Level]
[STC]
4-24
Description
Emphasizes schools of fish or seabed in white color.
1) Click the (
) button to show
the [White Marker] setting
window.
2) Click the applicable "color"
button to select the color to
show in white.
3) Click the [OK] button to finish,
or the [Cancel] button to es-
cape.
Selects the speed at which to advance the echo sounder
picture. See section 1.6.
Smooths the video display. See section 1.11.
Removes "speckles" from the screen emphasize schools
of fish. See section 1.12.
Description
Adjusts the gain. See section 1.7.
Sets the long distance gain. See section 1.27.
Removes noise (bubbles, plankton, etc.) near the surface.
"0" turns off the STC function, and "10" removes noise up
to 5 m from the transducer surface. Be careful not to set
the level excessively high, to prevent erasure of schools
of fish.

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