Editing a program, Opening programs and entering 3.2 – HEIDENHAIN TNC 640 (34059x-05) User Manual
Page 109

Opening programs and entering
3.2
3
TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 1/2015
109
Editing a program
You cannot edit a program while it is being run by the
TNC in a machine operating mode.
While you are creating or editing a part program, you can select any
desired line in the program or individual words in a block with the
arrow keys or the soft keys:
Soft key/
Keys
Function
Change the position of the current block on the
screen. Press this soft key to display additional
program blocks that are programmed before
the current block
Change the position of the current block on the
screen. Press this soft key to display additional
program blocks that are programmed after the
current block
Move from one block to the next
Select individual words in a block
To select a certain block, press the
GOTO key,
enter the desired block number, and confirm
with the
ENT key. Or: Press the GOTO key,
enter the block number step and jump up or
down the number of entered lines by pressing
the
N LINES soft key