Kawai ES8 Owner's Manual page 31

Using the Song Transpose function it is also possible to transpose recorder songs stored in internal memory, and
SMF song files stored on a USB memory device. This allows the pitch of the song to be adjusted without affecting
the pitch of the keyboard.
 S electing the Song Transpose/Key Transpose settings
Press and hold the TRANSPOSE button, then press the  or 
MENU buttons to alternate between the key transpose and song
transpose settings.
 A djusting the Song Transpose value
While the Song Transpose screen is shown in the LCD display:
Press the  or  VALUE buttons to adjust the song transpose
value.
Song Transpose
= 0 (C)
Song Transpose
= +2 (D)
* The song pitch can be raised or lowered by up to 12 semi-tones.
* To reset the song transpose value to 0, press the  and  VALUE
buttons simultaneously.
* The song transpose value will automatically reset to 0 when a
different song is selected.
Example: To increase the song transpose value from
0 (off) to +2 (i.e. raise the song pitch by 2 semi-tones),
press and hold the TRANSPOSE button, then press the
VALUE  button twice.
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