AmpliTube3 Wah Control Pedal

hi Scab, I have a roland EV-5 expression pedal pluged into an Edirol PCR-M80 controller. I can’t figgure out how to get it to work as a wa-wa pedal in C6.5 on a audio channel, I have no trouble doing it using a VST-I. Can you Help?
thanks Ross :question: