Transposing the Pitch Up or Down (Half-Steps):
1) Press the [UTILITY] button.
2) Use the and buttons in the 'DATA' section to select 'Kbd Trans' in the screen.
3) Press the [DEC/NO] and [INC/YES] buttons to transpose the keyboard pitch down or up in half-step increments.
4) To exit Utility mode, press the [EXIT] button.
Transposing the Octave:

1) Press the 'OCTAVE' [DOWN] and [UP] buttons located on the left side of the keyboard.
NOTE: The note range can be shifted up or down three octaves as desired.

Reference: Owner's Manual, p. 36, 56