HEIDENHAIN TNC 426 B User Manual page 72

Editing program lines
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 (see table at right).
Looking for the same words in different blocks
Set the AUTO DRAW soft key to OFF .
To select a word in a block, press the arrow keys
repeatedly until the highlight is on the desired
word.
Select a block with the arrow keys.
The word that is highlighted in the new block is the same as the
one you selected previously.
Finding any text
To select the search function, press the FIND soft key.
The TNC displays the dialog prompt FIND TEXT:
Enter the text that you wish to find.
To find the text, press the EXECUTE soft key.
Inserting blocks at any desired location
Select the block after which you want to insert a new block and
initiate the dialog.
Editing and inserting words
Select a word in a block and overwrite it with the new one. The
plain-language dialog is available while the word is highlighted.
To conclude editing, 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.
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Selecting blocks or words
Go to the previous page
Go to the next page
Jump to beginning of program
Jump to beginning of program
Move from one block to the next
Select individual words in a
block
Erasing blocks and words
Set the selected word to zero
Erase an incorrect number
Clear a (non-blinking) error message
Delete the selected word
Delete the selected block
Erase cycles and program sections:
First select the last block of the cycle
or program section to be erased, then
erase with the DEL key.
4 Programming: Fundamentals of NC, File Management,
Programming Aids, Pallet Management
Soft keys/keys
Key