Epson Multimedia Storage Viewer P-4000 - Manual (Page 38)

Managing Files 38
The confirmation screen appears:
5 Select Yes and press the OK button.
Protecting Files
You can lock selected files or folders to protect them from
being deleted. When an item is locked, the
icon is
displayed. Locked image files cannot be rotated.
1 Select the file or folder that you want to lock.
2 Press the Menu button to display the pop-up menu,
and select Lock using the 4-way ring. Then press the OK
button.
Files remain locked until you unlock them, even when you
turn off the P-4000.