Clarion VS735 User Manual page 31

Changing the "Angle Mark"
To enable or disable the "angle mark," which appears during
scenes that support the multiple-viewing-angle feature, select
GENERAL and ANGLE MARK.
Activating Captions and Subtitles
To enable or disable captions or subtitles, select GENERAL
and CAPTIONS.
Note:
If CAPTIONS is set to OFF, the [SUBTITLE] button will be defeated
from working. If SUBTITLE OFF is selected under Preferences –
Audio, then the [SUBTITLE] button can still enable subtitles during
playback, as long as CAPTIONS is set to ON.
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VS735