HEIDENHAIN ITNC 530 - CONVERSATIONAL PROGRAMMING - Changing the Spindle Speed and Feed Rate

HEIDENHAIN iTNC 530 539
14.3 Spindle Speed S, Feed Rate F and Miscellaneous Functions M
Changing the spindle speed and feed rate
With the override knobs you can vary the spindle speed S and feed
rate F from 0% to 150% of the set value.
The override knob for spindle speed is only functional on
machines with infinitely variable spindle drive.