ARCSLP/ON,z Input Cmd z-value Desc -- As a default, the z-value in the ARCSLP/ON,z designates the true lead (z-change per 360 deg motion) for helical motion and the GPost will calculate actual z-move based on arc length. Also, this can be given as the acutal z-change by CAM systems like Mastercam. (Intcom 4668)