HEIDENHAIN TNC 128 (77184x-02) - Manual (Page 326)

Test run and program run
13.1 Graphics
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TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
After a new workpiece detail magnification is
selected, the control "forgets" previously simulated
machining operations. The TNC then displays
machined areas as unmachined areas.
If the workpiece blank cannot be further enlarged or
reduced, the TNC displays an error message in the
graphics window. To clear the error message, reduce
or enlarge the workpiece blank.
Repeating graphic simulation
A part program can be graphically simulated as often as desired. To
do so you can reset the graphic to the workpiece blank.
Function Soft key
Show the unmachined workpiece blank
Tool display
You can show the tools during the simulation.
Function Soft key
Program Run, Full Sequence / Program Run,
Single Block
Test Run