HEIDENHAIN TNC 640 (34059x-05) ISO programming - Manual (Page 152)

Programming: Programming aids
4.6 Programming graphics
4
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TNC 640 | User's ManualDIN/ISO Programming | 1/2015
Block number display ON/OFF
Shift the soft-key row
To show block numbers: Set the SHOW OMIT
BLOCK NO. soft key to SHOW
Hide block numbers: Set the
SHOW OMIT BLOCK
NO. soft key to OMIT
Erasing the graphic
Shift the soft-key row
Erase graphic: Press CLEAR GRAPHICS soft key
Showing grid lines
Shift the soft-key row
Show grid lines: Press the SHOW GRID LINES soft
key