Furuno GP-39 - How to Erase All Tracks

2. PLOTTER DISPLAY OVERVIEW
2-5
2.7.2 How to erase all tracks
1. Press the MENU key twice to show the main menu.
2. Select [Tracks], and press the ENT/CNTR key.
3. Select [Delete], and press the ENT/CNTR key.
4. Select [All], and press the ENT/CNTR key.
5. Press  to select [Yes], and press the ENT/CNTR key to erase all tracks.
[Track Memory Used] on the Tracks menu shows “0%”.
6. Press the MENU key twice to close the menu.