Samsung UN55FH6200FXZA - Manual (Page 572)

2. Open the
Tools menu using your
remote, and then select Selection
Play .
3. Select the track you want to add. A
c mark appears in the check box on
the left.
4. Repeat Step 3 to select additional
tracks.
N
To select all the files in the list,
select Select All . To cancel a
selection, select the file again.