Siemens SIMATIC PANEL PC 877 - Manual (Page 74)

Operation and configuration
9.2 Additional Drivers and Applications
SIMATIC Panel PC 877
9-6
Operating instructions, Release 07/2006, A5E00877780-01
9.2.2 Calibrating the touch screen, UPDD
Call
• Start menu "Start", command "Programs > UPDD > Settings"
Function
Recalibrates the touch screen.
If the touch screen does not react as expected when touched, repeat the calibration. To do
this, first activate the 25 point calibration and then calibrate the touch screen.
Figure 9-1 25-point calibration
Note
For further information press the "Help" button.