HEIDENHAIN TNC 620 Programming Station

Fundamentals | Creating and entering NC programs
Editing an NC program
You cannot edit the active NC program while it is being
run.
While you are creating or editing a NCprogram, you can select any
desired line in the NCprogram or individual words in an NCblock
with the arrow keys or the soft keys:
Soft key / key Function
Go to previous page
Go to next page
Go to beginning of program
Go to end of program
Change the position of the current NCblock on
the screen. Press this soft key to display addition-
al NCblocks that are programmed before the
current NCblock
No function if the NC program is fully visible on
the screen
Change the position of the current NCblock on
the screen. Press this soft key to display addition-
al NCblocks that are programmed after the
current NCblock
No function if the NC program is fully visible on
the screen
Move from one NCblock to the next NCblock
Select individual words in an NCblock
Select a specific NCblock
Further information: "Using the GOTO key",
Page 192
3
HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 01/2022
99