In this screen you can adjust the time to UTC time. It is very important to use UTC time because the password for entering service mode without the blue key is generated with this time setting (see : entering service mode). You can get UTC time with this link

By pressing the settings button you will go to the following screen :

You will see that time stops running. Set the correct UTC time and date with the + and - buttons. Set the time a bit in advance of the real UTC time. When UTC time and the displayed time match press the settings button again. UTC time is now saved and the clock will start running.