Configure firmware   
2.3 "Main" tab 
  Firmware/BIOS description SIMATIC IPC BX-39A, IPC PX-39A, IPC PX-39A PRO 
12  Operating Instructions, 01/2023, A5E51110693-AA 
Calling "System Time" and "System Date" 
Date and time settings. 
Select: "Setup Utility (Page 10)" > "Main". 
 
Set current device time in the format [Hour:Minute:Second]. 
Set current device date in the format [Month/Day/Year]. 
Key functions for setting the numeric time and date values 
 
Switch between the setting options within a firmware setting, e.g. from 
hour to minute. 
Increase or decrease desired value.