You can choose a language of subtitle using button
on the RCU.
If a broadcaster provides subtitles, you can see
symbol in the Information Box.
Subtitle
You can choose a language of soundtrack using
key on the RCU when a broadcaster supports
various of language soundtracks.
Also, it is possible to choose a mode among Stereo,
Mono, Left and Right using the V+/V- buttons on the
RCU.
Soundtrack
Teletext
You can see the teletext with your TV using RCU of your TV.
If a broadcaster supports teletext, you can see symbol in the Information Box.