HP V506AU - Manual (Page 68)

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4. Press the 4-Way Direction Button or touch the screen to
select “O” YES or “X” No and press the button to
delete file(s).
Note:
The files cannot be recovered once deleted. Therefore, please make
sure you have a backup
the file before deleting. Protected files will not be
able to be deleted. Before deleting a protected file, you must unlock the
file.