1 -  (Home)

To open or close the home menu.

2 - Arrow / navigation / OK keys
To navigate up, down, left or right. To confirm a selection or setting.

3 -  BACK

To switch back to the previous channel you selected.
To close a menu without changing a setting.
To go back to the previous Smart TV page.

4 - 
To open IVI menu.

5 - Volume
To adjust the volume level.

6 -  OPTIONS
To open or close the Options menu.

7 - SMART TV
To open the Smart TV start page.

8 -  (Mute)
To mute the sound or to restore it.

9 -  EXIT
To switch back to watching TV. To stop an interactive TV application.

10 - Channel
To switch to the next or previous channel in the channel list. 
To open the next or previous page in Text or start the next or previous chapter on a disk.