Demo all
Pressing "demo all" will play a demo song and automatically play the next song after.
Demo one
Pressing "demo one" will play a demo song indefinitely. Press again to play the next song.
Teaching function
Press the "teaching A" or "teaching B" to enter the teaching function then press the number keys or the
"+/-" button to select different teaching Songs. Repress to exit. The function of "teaching A": both learning to play
correct or not, can send out the right sound, and continue to play the song.
"Teaching B" : follow the display according to the correct notes, play to automatically enter the next note.
Automatic power off function
Within five minutes without any operation, the system will be shuts off. Press any keys to recovery.
Appendix I. The table of voice