HEIDENHAIN TNC 640 (34059x-02) - Manual (Page 560)

Test run and program run
17.1 Graphics
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TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013
Magnifying details
You can magnify details in all display modes in the Test Run mode
and a Program Run mode.
The graphic simulation or the program run, respectively, must first
have been stopped. A detail magnification is always effective in all
display modes.
Changing the detail magnification
The soft keys are listed in the table
Interrupt the graphic simulation, if necessary
Shift the soft-key row in the Test Run mode, or in a Program Run
mode, respectively, until the soft key for detail magnification
appears
Shift the soft-key row until the soft-key for the
detail magnification functions appears
Select the functions for detail magnification
Press the corresponding soft key to select the
workpiece surface (see table below)
To reduce or magnify the blank form, press and
hold the MINUS or PLUS soft key, respectively
Restart the test run or program run by pressing
the START soft key (RESET + START returns the
workpiece to its original state)
Function Soft keys
Select the left/right workpiece surface
Select the front/back workpiece surface
Select the top/bottom workpiece surface
Shift the cutting surface for reducing or
magnifying the blank form
Select the isolated detail