Furuno MFD8 User Handbook Manual page 8

Hiding/Showing cartographic features, text information
MENU
Select
Chart menu.
Custom
Select
Custom
Config.
Restoring default cartographic features
MENU
MENU
Select
Chart menu.
Select
Vector
Select Custom
from pull-down
menu.
Area of Shallow Depth
Select General,
Vector or Custom
Config.
8
Push
twice.
CANCEL
Rotate RotoKey to
select; push to hide
or show object.
Select this button with
RotoKey and push RotoKey.