Hi, let me explain:
If I map a pedal to control a parameter in Reason3, the result is
- pedal up -> value 0
- pedal down -> value 127

Do you have any trick to limit the value (or for to change the ratio) in order to obtain this kind of control (for example)
- pedal up -> value 0
- pedal down -> value 64

Ah, I was going to make a tutorial myself until I saw this, let me know if it helps or not.

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thanks a lot.. it seems the solution