Korg C-520 User Manual page 16

Before you begin > Listening to the Demo
3.
After the end of the selected song, all the songs will be
played back in cycle.
4.
If you want to select a different song, press one of the
sound selection buttons.
5.
To pause the current song, press the PLAY/PAUSE button.
Press it again to restart playback from the same position.
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6.
To stop the current song without exiting from the Demo
mode, press STOP. Choose a different song and wait for it
to start playing back.
7.
To stop the playback and exit the demo mode, press the
DEMO or EXIT button.