Editing An Nc Program - HEIDENHAIN TNC 640 User Manual

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Fundamentals, File Management | Creating and writing programs

Editing an NC program

The active NC program cannot be edited while it is

While you are creating or editing an NC program, you can select

any desired line in the NC program or individual words in a block

with the arrow keys or the soft keys:

Soft key/key

Change the position of the current block on the

screen. Press this soft key to display addition-

al NC blocks that are programmed before the

current block

No function if the NC program is fully visible on

Change the position of the current block on the

screen. Press this soft key to display addition-

al NC blocks that are programmed after the

current block

No function if the NC program is fully visible on

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

HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017