HEIDENHAIN TNC 128 (77184x-02) User Manual
Page 292

Manual operation and setup
11.4
Datum setting without a 3-D touch probe
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TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
Activating a datum from the preset table in the Manual
Operation mode
When activating a datum from the preset table, the
TNC resets the active datum shift, mirroring and
scaling factor.
Select the
Manual Operation mode
Display the preset table
Select the datum number you want to activate, or
With the GOTO key, select the datum number that
you want to activate. Confirm with the ENT key
Activate the datum
Confirm activation of the datum. The TNC sets the
display and—if defined—the basic rotation
Exit the preset table
Activating a datum from the preset table in an NC program
To activate datums from the preset table during program run, use
Cycle 247. In Cycle 247 you only define the number of the datum
that you want to activate.