HEIDENHAIN IK 5394-3D - Manual (Page 420)

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Chapter 5 Tolerancing & Templates
Display partview/image features in a template by checking the expand images
box.
Check the snap to grid box to activate the alignment grid in the template. When
snap to grid is checked fields in the template are automatically aligned to the
nearest grid intersection.
Set the size of the grid squares using the grid size text box.