HEIDENHAIN TNC 320 User Manual page 321

FIRST VALUE / PARAMETER?
Enter Q5 as the first value and confirm with the
ENT key.
SECOND VALUE / PARAMETER?
Enter 7 as the second value and confirm with the
ENT key.
Example 3 – Reset Q parameters
Select the Q parameter function: Press the Q key
To select the mathematical functions, press the
BASIC ARITHM. soft key.
To select the ASSIGN Q parameter function, press
the FN0 X = Y soft key
PARAMETER NUMBER FOR RESULT?
Enter 12 (the number of the Q parameter) and
confirm with the ENT key
1. VALUE OR PARAMETER?
Press SET UNDEFINED
The FN 0 function also supports transfer of the value
Undefined. If you wish to transfer the undefined Q
parameter without FN 0, the control shows the error
message Invalid value.
HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016
Describing contours with mathematical functions
NC sets in the TNC
16 FN 0: Q5 SET UNDEFINED
16 FN 0: Q1 = Q5
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