TT Language
Press ▼/▲ button to select TT Language, then press OK button to enter sub-menu.
Press ▼/▲/◄/► button to select TT language.
Audio Languages
Press ▼/▲ button to select Audio Languages, then press OK button to enter sub-menu.
Press ◄/► button to select the primary of Audio Languages. Press ▼/▲/◄/► button to
select the Audio Languages.
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