HEIDENHAIN TNC 620 (340 56x-01) - Manual (Page 457)

HEIDENHAIN TNC 620 457
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Overview of display modes
The TNC displays the following soft keys in the program run and Test
Run modes of operation (with the Advanced graphic features software
option):
Limitations during program run
A graphical representation of a running program is not possible if the
microprocessor of the TNC is already occupied with complicated
machining tasks or if large areas are being machined. Example:
Multipass milling over the entire blank form with a large tool. The TNC
interrupts the graphics and displays the text ERROR in the graphics
window. The machining process is continued, however.
Plan view
This is the fastest of the three graphic display modes.
 Press the soft key for plan view.
 Regarding depth display, remember:
The deeper the surface, the darker the shade.
View Soft key
Plan view
Projection in three planes
3-D view