HEIDENHAIN ND 1300 VED and Crosshair Systems - Manual (Page 100)

80 QC-300 Series User’s Guide
5 Touch the constructed point in the Features list and then select the DRO window.
6 Touch the Zero buttons of the X and Y axes
to define the point location as the zero datum. The
datum point will be shown in blue.
7 Select the View window to see the zero datum
at the intersection of the X and Y axes.