Samyung NAVIS800FS Instruction Manual page 47

1.4.5 Waypoint Erase
'1.4.3 Deleted a coastal line file from a storage tool.
Must be careful to command this erase due to no-recover the file.
 Insert the device that has files to be erased. (☞ Possible to omit when using Internal ROM)
 Press
(
 Select a storage tool having a file to be deleted from [Storage Select].
 After select a file name and then press
and select『[YES] / [NO].
If select [Internal ROM], following two menus are displayed.
 Memory Clear
 File Name
) button and move [1.DATA]  [4.WAYPOINT DATA]  [5.ERASE].
: Erase waypoint edited in a plotter screen.
: Erase waypoint saved internal ROM as a file.
(☞ The file name is marked in saving a file only)
( ) button in order to show [Do you want to erase ?]
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