HEIDENHAIN TNC 320 (34055x-06) ISO programming - Manual (Page 212)

Programming: Q Parameters
8.1 Principle and overview of functions
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TNC 320 | User's Manual for DIN/ISO Programming | 5/2013
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) 214
Trigonometric functions 216
If/then conditions, jumps 217
Other functions 220
Entering formulas in the part
program 247
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.