HEIDENHAIN ITNC 530 - PILOT SMART NC Manual page 130

Measuring function group
The following units for automatic workpiece measurement are available
in the Measuring function group:
Unit
Unit 420 Measure Angle
Unit 421 Measure Hole
Unit 422 Measure Cylindrical Stud
Unit 423 Measure Rectangle Inside
Unit 424 Measure Rectangle Outside
Unit 425 Measure Width Inside
Unit 426 Measure Width Outside
Unit 427 Measure Coordinate
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Soft key