5 programming graphics, Generating a graphic for an existing program, 5 pr ogr amming gr aphics 4.5 programming graphics – HEIDENHAIN TNC 620 (340 56x-03) ISO programming User Manual
Page 117

HEIDENHAIN TNC 620
117
4.5 Pr
ogr
amming Gr
aphics
4.5 Programming Graphics
Generating / not generating graphics during 
programming
While you are writing the part program, you can have the TNC 
generate a 2-D pencil-trace graphic of the programmed contour.
U
To switch the screen layout to displaying program blocks to the left 
and graphics to the right, press the SPLIT SCREEN key and 
PROGRAM + GRAPHICS soft key
U
Set the AUTO DRAW soft key to ON. While you are
entering the program lines, the TNC generates each 
path contour you program in the graphics window in 
the right screen half
If you do not wish to have the TNC generate graphics during 
programming, set the AUTO DRAW soft key to OFF.
Even when AUTO DRAW ON is active, graphics are not generated for 
program section repeats.
Generating a graphic for an existing program
U
Use the arrow keys to select the block up to which you want the 
graphic to be generated, or press GOTO and enter the desired block 
number
U
To generate graphics, press the RESET + START soft
key
Additional functions:
Function
Soft key
Generate a complete graphic
Generate programming graphic blockwise
Generate a complete graphic or complete it after 
RESET + START
Stop the programming graphics. This soft key 
only appears while the TNC is generating the 
interactive graphics
