HEIDENHAIN TNC 640 (34059x-01) ISO programming - Manual (Page 434)

434 Test Run and Program Run
15.7 Optional bloc
k skip
15.7 Optional block skip
Application
In a test run or program run, the control can skip over blocks that begin
with a slash "/":
U To run or test the program without the blocks
preceded by a slash, set the soft key to ON
U To run or test the program with the blocks preceded
by a slash, set the soft key to OFF
Inserting the "/" character
U In the Programming mode you select the block in which the character
is to be inserted
U Select the INSERT soft key
Erasing the "/" character
U In the Programming mode you select the block in which the character
is to be deleted
U Select the REMOVE soft key
This function does not work for TOOL DEF blocks.
After a power interruption the TNC returns to the most
recently selected setting.