Humminbird 580 Fish Finder User Manual


 
75
Delete All Nav Data
(Advanced)
Delete All Nav Data allows you to delete all saved Tracks, Waypoints and
Routes. This menu choice should be used with caution. The Delete All Nav
Data menu choice is only available when User Mode is set to Advanced (see
Setup Menu Tab: User Mode).
T
o Delete All Navigation Data:
1. Make sure you are in Advanced User Mode, then highlight Delete All
Nav Data on the Navigation main menu.
2. Use the RIGHT 4-WAY Cursor Control key to delete all navigation data.