Samick DCP-8 Manual page 12

If you allow playback to continue past the end of Demo Song 1,Demo Song 2
(Bright Piano) will begin to play, and after that, each of the remaining demos will
continue to play in sequence until you press the Song button. If the Song button is
not pressed to stop demo playback, after the end of the eighth demo, demo playback
will continue from the beginning of Demo Song 1 until the Song button is pressed.
Stop Playing
Press [Song] button again to stop playing.
Select the Demo Song
Turn the [Data Control] knob to the right until you see the desired Demo Song
number appear in the LED display.
Press the [Song] button to begin playback of the selected Demo song.
The following table shows the Demo Song numbers along with which voice is
used for each Demo Song:
Demo Song Number
Song
Data Control
[Assignable]
Grand Piano
1
Bright Piano
2
Vintage Electric Piano
3
FM Electric Piano 2
4
5 Church Organ
Harpsichord
6
Strings
7
Upright Bass
8
8
Voice Used