Samsung PL90 Quick Start Manual page 69

Playing back
Viewing files as thumbnails
Scan thumbnails of files.
In Playback mode, rotate [Zoom] left to display 9 or
20 thumbnails. Rotate [Zoom] right to return to the
previous mode.
Filter
To Do this
Scroll through files
Press [
Delete files Press [
], [ ], [ ] or [ ].
], and then select Yes.
Playback/Editing
Protecting files
Protect your files from accidental deletion.
1
In Playback mode, press [
2
Select File Options
To protect all files, select All
3
To protect a single file, select the file you want to protect,
and then press [ ].
Press [ ] again to cancel your selection.
Select Set
4
Repeat Step 4 to protect additional files individually.
5
Press [ ].
56
].
Protect Select.
Lock.