48Extra features
If you are recording two programmes, the choice of channels available for the Picture in Picture may be limited, just as you can only view certain channels when recording two channels at the same time.
4.1.4 Digital teletext
Digital teletext provides a more colourful, simpler to use ser- vice than traditional teletext. Instead of having to select pages by typing in their numbers, you can choose items from on- screen lists, and pages can contain photographs or even tele- vision pictures.
Many channels call their digital teletext services ‘interactive,’ since they can provide much more than just pages to read. They can tell your PVR to tune to a different channel, for ex- ample, where you may find coverage of a different sports match, or the latest news headlines.
On services like the BBC News interactive pages, you can even choose for which of two video clips you would like to hear the soundtrack.
Most channels will display a message on screen if there are interactive services available, often in the form of a small re- minder to ‘Press Red.’ When you see a message like this, you can press the red button on your remote control.
Usually, you can return to watching TV by pressing the TEXT button, and on most channels the TEXT button will also start digital teletext too, if it’s available.
While you’re using digital teletext, the number keys on your remote control, the arrow keys, coloured keys and the OK but- ton are used to select items on screen or move to different parts of the teletext service.
Since each service, such as BBCi or Teletext uses its own de- sign, we can’t give a detailed guide here; just look for on-
