Display closed captions in videos
You can turn on closed captioning so that text displays on the screen when you play video files that support closed captioning.
On the Home screen, click the Media icon.
2. Press the Menu key.
3. Click Options.
4. Change the Display Closed Captions field to Yes.
5. If necessary, change the Appearance, Position and Font Scale fields.
6. Press the Menu key.
7. Click Save.