HEIDENHAIN TNC 320 (340 55x-05) ISO programming - Manual (Page 204)

204 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 206
Trigonometric functions Page 208
If/then conditions, jumps Page 210
Other functions Page 212
Entering formulas directly Page 241
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.