1 -  Standby / On
To switch the TV On or back to Standby.

2 - TV GUIDE
To open or close the TV guide.

3 - Number keys
To select a TV channel directly.

4 - SUBTITLE
To switch subtitles on, off or to show automatically.

5 -  LIST
To open or close the channel list.

6 -  INFO
To open or close programme info.

7 -  SOURCES
To open or close the Sources menu - the list of connected devices.

8 - TEXT
To open or close Text/Teletext.