HEIDENHAIN TNC 620 (81760x-01) ISO programming - Manual (Page 466)

Test run and program run
16.1 Graphics (Advanced Graphic Features software option)
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TNC 620 | User's Manual for DIN/ISO Programming | 3/2014
Overview: Display modes
The TNC displays the following soft keys in the Program Run and
Test Run modes of operation:
View Soft key
Plan view
Projection in three planes
3-D view
The position of the soft keys depends on the
selected operating mode.
The Test Run operating mode additionally offers the following
views:
View Soft key
Volume view
Volume view and tool paths
Tool paths
Limitations during program run
The result of the simulation can be faulty if the TNC's
computer is overloaded with complicated processing
tasks.