Furuno RP-25 - Manual (Page 37)

2. VIDEO PLOTTER
2-23
2.8.3 Deleting navigation lines
Deleting individual navigation lines
1. Press the [NAV MENU], [4], [6], [9] key in that order to select ERASE NAV
LINE (item 9) on NAV LINE LIST menu.
2. Press the numeric key to enter the number (in two digits) for the navigation
line which you want to delete.
Note: The navigation line in use cannot be deleted.
3. Press the [ENTER] key.
4. Press the [NAV MENU] key to close the menu.
Deleting all navigation lines
1. Press the [NAV MENU], [9] key in order to select ERASE NAV LINE (item 9)
on ERASE menu.
2. Press the [6] key twice to select ALL at NAV LINE (item 6) field.
3. Press the [ENTER] key.
4. Press the [NAV MENU] key to close the menu.