yes you can...
1) hit the SETUP key
2) hit the EDIT key
3) there will be a soft button to the right labeled "More"
4) hit that until you see the soft button labeled " Cpedal"
5) hit the CPEDAL soft button
6) once you are on this page, you will see a parameter that says SCALE
7) by adjusting the % you can adjust how much of the parameter is used or adjusted...

Special NOTE: some programs are setup to only bend up or down only an octave and a half becuase of the sample structure of the program ot patch... (ie. a PIano sample) No matter how many octaves you set on a piano patch, it will only adjust the up and down - octave 1/2