Commissioning the device 
  4.3 Parameter assignment for Comfort Panel 
Comfort Panels 
Operating Instructions, 07/2017, A5E36770603-AB 
89 
4.  Touch the center of the calibration cross until it is shown at the next position. The 
calibration cross appears at four other positions. 
Once you have touched the calibration cross at all positions, the following dialog appears: 
 
5.  Touch the touch screen within the indicated time. 
The calibration will be saved. The "Touch" tab is displayed once again in the "OP 
Properties" dialog. If you do not touch the touch screen within the time shown, your 
original setting will be retained. 
6.  Close the "OP Properties" dialog with "OK". 
The touch screen of the HMI device is calibrated. 
 
Restarting the HMI device 
You need to perform a restart in the following situations: 
●  You have enabled or disabled the PROFINET IO direct keys, see section  
"Enabling NTP (Page 117)". 
●  You have changed the time zone setting or activated daylight saving time; see section 
"Setting the date and time (Page 91)". 
●  You have changed the settings for the screensaver, see section  
"Setting the screen saver (Page 94)". 
 
 
All volatile data is lost with a restart.  
Make sure that no project is running on the HMI device and no data is being written to 
the flash memory.