help needed on 4th axis on cincinnati milacron arrow 750. when searching the axis set up i noticed that A axis is inverted, how do i activate it ? previously the machine used the 4th axis , but was dissabled, how do i get the 4th axis to work again? what codes are needed in MDI to check if the axis rotates? never used 4th axis before so im in the dark. new job requires the need of a 4th axis. Any help would be much appreciated.