Commissioning the device 
  4.1 Overview 
Comfort Panels 
Operating Instructions, 07/2017, A5E36770603-AB 
67 
 
Front operator controls 
Touch HMI device  
You can operate the Touch HMI devices with the touch screen. All operating elements 
required for operation are displayed on the touch screen once the HMI device has been 
started. 
 
Damage to the touch screen 
Pointed or sharp objects, abrupt contact, and continuous gesture operation can significantly 
reduce the life of the touch screen and possibly lead to total failure of the touch screen. 
•  Do not touch the touch screen with pointed or sharp objects. 
•  Avoid contacting the touch screen abruptly with hard objects. 
•  Avoid continuous operation of the touch screen with gestures. 
Triggering unintended actions 
Touching several operating elements at the same time can trigger unintended actions. 
Touch only one operating element on the screen at a time. 
You operate the key HMI devices using the system keys and the function keys. The 
functions of the function keys are defined during configuration. The function keys have no 
function before the project is opened in the HMI device.