HEIDENHAIN ND 1300 OED and Crosshair Systems - Manual (Page 101)

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6
Measuring
Lines constructed from a point and an arc
Up to three line constructions can be made from a point and an arc:
• Two point line:
The line from the point to the center of the arc
• Tangent line 1:
The line from the point to the first tangent of the arc
• Tangent line 2:
The line from the point to the second tangent of the arc
To construct a line from a point and an arc:
1 Touch the Measure line icon
2 Touch the point feature
3 Press the Enter key
4 Touch the arc feature
5 Press the Enter key
6 Press the Finish key
The two point line will be constructed. Alternative line constructions can be selected from the drop-down
menu in the DRO window.
Two point line Tangent line 1 Tangent line 2
Constructing Features