hi does anybody know which parameter changes chuck from fully open and close to stepping open and close on QT15 CAM T2 CONTROL TYPE i have a QT20 HP T PLUS CONTROL TYPE and i can change this in machine parameter R49 but i cant seem to find out on the T2 it dosnt seem to be in any of the manuals i have with the machine and nobody seems to know, it would be great if someone could tell me!!!