HEIDENHAIN TNC 320 (340 551-02) - Manual (Page 80)

80 4 Programming: Fundamentals of NC, File Management, Programming Aids
4.4 Cr
eating and W
riting Pr
ogr
a
ms
Editing a program
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:
You cannot edit a program while it is being run by the TNC
in a machine operating mode. The TNC allows you to place
the cursor in the block, but it does not save the changes
and responds instead with an error message.
Function Soft key/key
Go to previous page
Go to next page
Go to beginning of program
Go to end of program
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.