HEIDENHAIN ND 780 Handbuch Seite 201

Touch the workpiece at point 1.
DATUM SETTING X
Enter the diameter of the workpiece at that point.
Remember to ensure the ND 780 is in diameter
display mode (Ø) if you input a diameter value.
Press the DOWN ARROW key to advance to the Z-
axis.
Touch the workpiece surface at point 2.
DATUM SETTING Z
Enter the position of the tool tip (Z = 0 mm) for the Z-
coordinate of the datum.
Press ENTER.
ND 780
77