Furuno FCV-1100L - Manual (Page 48)

2. MENU OPERATION
2-18
3. Press the [-] or [+] key to set the level (1-14).
If… Then...
you want to emphasize
COLOR-7 (reddish-brown, red) COLOR-7, COLOR-6: set large value.
COLOR-5 to COLOR-1: Set small value.
you want to emphasize middle
color (yellow, green) COLOR-7 to COLOR-5: Set small value.
COLOR-4 and COLOR-3: Set large value.
COLOR-2 and COLOR-1: Set small value.
you want to remove the
weakest color COLOR-1: Set small value.
4. Press the [▲] or [▼] key to close the setting window.
5. Repeat steps 1 through 4 to set another color.
6. To use custom clutter settings, set the [FUNCTION] switch in the CLUTTER
position, then select CUSTOM from HF CURVE (LF CURVE).
To return to default settings, select YES at DEFAULT.