Siemens SINUMERIK 808D ADVANCED Programming And Operating Manual page 250

Now you can see the programmed contour in the graphics window:
Example 2
Starting point: X=0 abs., Y=0 abs., machining plane G17
The contour is programmed in the clockwise direction with dialog selection.
Operating sequence:
1.
2.
250
Select the desired operating area.
Enter the desired program folder.
Programming and Operating Manual (Milling)
6FC5398-4DP10-0BA1, 01/2014