HEIDENHAIN TNC 640 User Manual page 167

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Fundamentals, File Management | Creating and writing programs

Undoing changes

You can undo all changes made since the last time you saved the

program. Proceed as follows:

Select the soft-key row with the saving functions

Press the CANCEL CHANGE soft key

The control opens a window in which you can

confirm or cancel this action.

Confirm with the YES soft key or cancel with the

ENT key, or press the NO soft key to abort

Editing and inserting words

Select a word in a block and overwrite it with the new one. The

dialog is available while the word is highlighted

To accept the change, press the END key

If you want to insert a word, press the horizontal arrow key

repeatedly until the desired dialog appears. You can then enter the

desired value.

Looking for the same words in different blocks

Select a word in a block: Press the arrow key

repeatedly until the desired word is highlighted

Select a block with the arrow keys

Arrow down: search forwards

Arrow up: search backwards

The word that is highlighted in the new block is the same as the

one you selected previously.

If you start a search in a very long NC program, the

control shows a progress indicator. You can cancel the

search at any time, if necessary.

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