1.3 What is common interface? 5
11 M1 button is not used in this model.
12 These buttons have different functions per menu. They will be guided by
13 UHF button displays the RF setting menu. See § 3.2.6 for more description.
14 
mutes the sound. Press again to switch it back on.
15 
button pauses live television.
16 
button switches between television services and ra- dio services.
17 FAV button displays the favorite list.
18 GUIDE button displays the electronic program guide. (EPG)
19 
button displays more information about the current program or a program highlighted in the electronic pro- gram guide.
20 
button is used to select a subtitle track.
21 
button displays teletext.
22 SAT button displays the satellite list with their service list.
23 N/P button switches television standard between PAL and NTSC. However, this button may be not used in some models. See § 3.2.1 for more description.
24 
button sets a sleep timer.
1.3What is common interface?
Some broadcasts are scrambled so that only paid subscribers can enjoy them. Scrambled services can only be viewed with a Conditional Access Module (CAM) and a subscription card belonging with the scrambling system.