Display function:
1. Auto massage process display.
2. Massage style and strength display.
3. Massage chair backrest, footrest ajustment display.
4. zero gravity position ajustment display.
5. remain time display.
6. pause status display.
7. massage roller width display.
8. spot/ area massage display.
9. massage roller position display.
10.upward/ downward display.
11. air massage position and strength display.
P.14