Beyonwiz DP-S1 - Manual (Page 67)

File Playback Function
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3) Play from play-list
You can play files in the play-list by pressing the OK or PLAY button. If
you change to the previous or next file in the play-list, press the PREV
or NEXT button.
4) Remove File from Play-list
You can remove a file from the play-list with the YELLOW button the
same way as adding a file to a play-list. Select the “PLAY-LIST” icon on
the left menu and choose a file which you want to remove from the
play-list. You can also use the BLUE button to remove more than one
file at once.
2-5. DVD Playback
If you select the “ODD” icon on the left menu while a DVD title is loaded
on the tray, the DP-S1 will display a confirmation pop-up to play the
title. Please press the OK button to play the DVD title.