Kawai Novus NV10 Owner's Manual page 79

 Adjusting the volume of the song/audio file.
This setting allows the volume of the song/audio file to be adjusted.
1. Tap the [Menu] button to show USB Memory Player settings
menu.
2. Long press and drag the slider to adjust the playback volume
of the currently selected song/audio file.
 Transposing the song file
This setting allows the playback pitch of the song file to be changed.
1. Tap the [Menu] button to show USB Memory Player settings
menu.
2. Long press and drag the slider to adjust the playback pitch of
the currently selected song/audio file.
* This setting applies to KSO/SMF songs only.
Play Volume slider
Song Transpose slider
79