You plug in your sustain pedal only to find that it is working the worng way round.

Hit the edit button, having pressed the pedal, then press the octave button up a few time so the screen displays low value and high value. Reverse these values and the sustain pedal will now work the right way round.

Then hit "write" to save this change.

Note this saves this for the template that you are currently using, you will need to repeat this for each template you use.