HEIDENHAIN iTNC 530 (606 42x-01) ISO programming - Manual (Page 255)

HEIDENHAIN iTNC 530 255
9.1 Pr
inciple and Ov
erview
QS parameters (the S stands for string) are also available on the TNC
and enable you to process texts. In principle, the same ranges are
available for QS parameters as for Q parameters (see table above).
Note that for the QS parameters the QS100 to QS199 range
is reserved for internal texts.