HEIDENHAIN TNC 640 (34059x-02) ISO programming - Manual (Page 531)

Optional block skip 17.7
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TNC 640 | User's Manual for DIN/ISO Programming | 5/2013
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17.7 Optional block skip
Application
In a test run or program run, the control can skip over blocks that
begin with a slash "/":
To run or test the program without the blocks
preceded by a slash, set the soft key to ON
To run or test the program with the blocks
preceded by a slash, set the soft key to OFF
This function does not work for TOOL DEF blocks.
After a power interruption the TNC returns to the
most recently selected setting.
Inserting the "/" character
In the Programming mode you select the block in which the
character is to be inserted
Select the INSERT soft key
Erasing the "/" character
In the Programming mode you select the block in which the
character is to be deleted
Select the REMOVE soft key