Press the number 1. This is your "do" note, or the root of your scale.
Press the number 2. This is your "re" note, or the second notes of your scale.
Press the number 3. This is your "mi" note, or the third note of your scale.
Press 4,5,6, as well as 7,8, and 9. They all play a "do-re-mi" progression, and the notes are only semi-tones different from the original 1,2,3 combination.
Try simple songs such as Mary Had a Little Lamb:
3,2,1,2,3,3,3
2,2,2
3,3,3
3,2,1,2,3,3,3,3,
2,2,3,2,1
Press the "menu" button, followed by "settings."
Press the button for "keypad." Select the option for "xylophone."
Press the 1 button. This is the C note.
Press all of the numbers 1-9 in succession, plus the *, 0 and #. What you will hear is a progression up the C scale: C,D,E,F,G,A,B,C,D,E,F,G
Try some simple songs.
Ode to Joy:
7,7,8,9,9,8,7,6,5,5,6,7,7,6,6
7,7,8,9,9,8,7,6,5,5,6,7,6,5,5
Jingle Bells:
3,3,3, 3,3,3, 3,5,1,2,3
4,4,4,4,4,3,3,3,3,3,2,2,3,2,5
3,3,3 3,3,3 3,5,1,2,3
4,4,4,4,4,3,3,3,3,5,5,3,2,1