Siemens SINUMERIK 840D sl Universal Operating Manual page 400

Handheld terminal for multi-touch-operation
15.3 Calibrating the touch panel
400
The calibration process has terminated.
4. Touch the horizontal softkey "1" or the key with the number "1" to close
the TCU service screen.
Operating Manual, 07/2021, 6FC5398-6AP40-6BA4
Universal