Furuno FCV-30 - Manual (Page 76)

3. CHANGING SETTINGS
3-8
3.6 Color Dialog Box
The Color dialog box lets you set the colors to use.
1. Click System.
2. Click Color.
Color dialog box
Day/Night
Chooses window background color. Daytime color provides a white background; Nighttime
color a black background.
Hue
You may adjust colors to meet various operating environments. User1 and User2 let you
custom-adjust colors to suit your needs.
1. Choose User1 or User2 as appropriate.
2. Click the Change button corresponding to the color you want to adjust.