42 Daily Usage
addition, you could enjoy audio tracks in four sound modes: Stereo, Mono, Left or Right. However, if a multifeed program is provided at the moment, video tracks will be displayed. In this case, you have to press the 
button once more to select an audio track.
5.2.4 Selecting subtitle tracks
Some programs are provided with subtitle tracks in one or more languages. If the current program provides subtitle tracks, the subtitle symbol (
) will be marked on the information box. Pressing the 
button displays available subtitle tracks. Once you select a subtitle track, it will be displayed.
5.2.5 Viewing teletext
On some programs, such information as weather reports, news or stock quotations is provided by means of teletext service. If the current program provides teletext service, the teletext symbol (
) will be marked on the information box. Press the 
button to view teletext pages. Select a desired page to view by entering the page number with the numeric buttons. You
can zoom in a teletext page with the 
button, and adjust its transparency with the 
button. To clear the teletext screen, press the EXIT button.
5.3Viewing electronic program guide
The Electronic Program Guide shows the current and sched- uled programs that are or will be available on each service with a short summary for each program.