Operation 
5.11 Service menu  
The system incorporates a Service menu in which the following settings can be carried out: 
  Zero point calibration of sensors 
 
NOTE 
 
Safety-relevant settings can only be carried out by authorised personnel after inputting a 
password (Service Code).  
This prevents inadvertent changes being made to the settings. 
 
Calling up the Service menu from the SLI main menu:  
 
> Password entry 
 
Chapter 4.3 of this manual describes the process for zero-point calibration of the sensors. 
 
 
 
Press the “HOME” function key to call up the SLI main menu: 
 
 
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