SOYO SY-KT400 Dragon Ultra User Manual page 168

Button Function
Playlist: allows you to insert, remove, and record the MIDI files into
and from the playlist. You can save the playlist into a file as well.
Previous song: Loads the previous MIDI file of playlist. If current
file is the first MIDI file, the last one will become the current
selection.
Next song: Loads the next MIDI file of playlist. If current file is the
last one, the first file will become the current selection.
Playback: Starts to playback the current MIDI file.
Pause/Restart: Pauses or restarts the current playback action.
Stop: Stops playback.
Playback Backward for 10 seconds: Playback the current to 10
seconds before.
Playback Forward 10 seconds: Playback the current to 10
seconds after.
Loop: Playbacks the MIDI files of the playlist over and over again.
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