Operation and configuration   
9.2 Additional Drivers and Applications 
  SIMATIC Panel PC 877 
9-8  Operating instructions, Release 07/2006, A5E00877780-01 
9.2.3  Enable/disable touch functionality 
The procedure for deactivating and reactivating the touch functionality using the "UPDD" 
software is described in the table below. 
 
No.  Procedure 
1  Open the Control Panel menu in the Windows operating system 
2  Open the properties of the "Pointer Device" application in the Control Panel to access the "Pointer Device Properties" 
dialog. 
3  In the "Devices" tab in the "Pointer 
Device Properties" dialog, there is a 
list of devices (also known as DCUs). 
As shown in the figure, mark the 
device 02 or the active touch 
controller of the system and open the 
"Advanced" tab. 
 
 
 
4  In the "Advanced" tab, deactivate the 
"Enabled" option and load the settings 
by clicking the "Apply" button. The 
touch screen is now deactivated.