User manual SEFELEC 5x Series  48   v1.06 
 
Updating the main firmware of the HMI (Human Machine Interface): 
The update of the main firmware of the HMI can be done from the update file (contact our ser-
vice department to obtain the latest version available) and which will be saved on a USB key.  
Then on the following screen: 
 
Press the field showing the version number of the main firmware (e.g.: V0.9.0) to obtain the fol-
lowing screen: 
 
Press the "Cancel" key if you do not want to do the update.