Well I bought a Digitech Bass Multi Chorus used, and having never seen one before it confused me a fair bit. First of all I had to figure out how to undo the battery pin things, which were jammed, so I hammered them down with a screwdriver and cleaned and oiled them so they work smoothly now... And I put a battery in... However, I can't seem to get the effect working. Everytime I plug a lead in, the LED flashes 3 times then turns off, and the pedal remains bypassed no matter what I do. Is there something I'm forgetting to do here?? Thanks in advance, Tech.