Furuno FCV-1200LM - Manual (Page 38)

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DEPTH INFO
Changes the size and position of the depth indication.
BOTTOM SEARCH
On the dual frequency display, select transducer which is to measure depth. AUTO, automatic;
LOW, low frequency, HIGH, high frequency.
MARKER SELECT
Selects the marker function, VRM or WHITE MARKER.
VRM: Measures depth to an echo.
WHITE MARKER: The echo from a fish school or the bottom can be displayed in white.
(White marker operation)
1. After the selecting EXIT with the [FUNCTION] switch to close the menu, press the [!] or ["]
key to show the white marker setting window.
/ : Select color
to enhance.
OFF
WHITE MARKER
The color selected
by this red arrow
changes to white.
Color bar
White marker setting window
2. Press the [!] or ["] key to select the echo color which you want to emphasize.
The setting window disappears if there is no key operation within five seconds.
The color bar selected to display in white is displayed in white on the color bar.
Note: Before changing from WHITE MARKER to VRM, you must select OFF in the white marker
setting window.