Playback/Editing 69Playing backProtecting filesProtect your files from accidental deletion.To select and protect files,In Playback mode, select1 M.Select2 Protect Select.Select files you want to protect.3 Selectt to select all files.Selectt to cancel your selection.Select4 .Viewing files as thumbnailsScan thumbnails of files.In Playback mode, push [Zoom] left to display 9 or 16thumbnails (push [Zoom] right to return to the previousmode).To Do thisScroll through files Select < or >.View a file Select a thumbnail.Delete files Select or drag a file to . (p. 70)Select a category Select .