HEIDENHAIN TNC 620 (340 56x-03) - Manual (Page 232)

232 Programming: Q Parameters
8.1 Pr
inciple and Ov
erview
Calling Q-parameter functions
When you are writing a part program, press the "Q" key (in the numeric
keypad for numerical input and axis selection, below the +/– key). The
TNC then displays the following soft keys:
Function group Soft key Page
Basic arithmetic (assign, add,
subtract, multiply, divide, square
root) Page 234
Trigonometric functions Page 236
Function for calculating circles Page 238
If/then conditions, jumps Page 239
Other functions Page 242
Entering formulas directly Page 275
Function for machining complex
contours See User’s
Manual for
Cycles
The TNC shows the soft keys Q, QL and QR when you are
defining or assigning a Q parameter. First press one of
these soft keys to select the desired type of parameter,
and then enter the parameter number.
If you have a USB keyboard connected, you can press the
Q key to open the dialog for entering a formula.