Furuno 1823C manual White Marker, White marker window

4. VIDEO SOUNDER OPERATION

4.9White Marker

The white marker functions to display a particular echo color in white. For example, you may want to display the bottom echo in white to discriminate fish echoes near the bottom.

1.Press the [MENU] key.

2.Press the SOUNDER MENU soft key.

3.Select WHITE MARKER, then press the EDIT soft key to open the white marker window.

WHITE MARKER

▲

OFF

▼

White marker window

4.Use the trackball to select the color to display in white. As you use the trackball, the number in the white marker window changes, the white marker on the echo strength bar shifts and the selected echo color is displayed in white.

White marker shows

← color currently displayed in white.

Color bar (16 color) when white marker function is active

5.Press the RETURN soft key followed by the [MENU] key to close the menu. To turn the white marker function off, display “OFF” in the white marker window.

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