Lexicon Universal Disc Player RT-20 - Manual (Page 113)

RT-20 Universal Disc Player Playback Modes
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SUBTITLE
Displays the subtitle languages available on the disc. You can
choose the desired subtitle language, or set to Off. A DVD-V can
store up to 32 different subtitle languages.
TRACKTIME (VCD OR SACD)
Displays the elapsed time of the currently playing track.