There are two menus for the captions.
Caption Settings for Accessibility:
1. On the TV remote, please press the Home button.
2. Select the SettingsàDevice PreferencesàAccessibilityàCaption. On this menu, you could configure the settings of the caption based on your requirements. If you have any other concerns, please feel free to call the TCL hotline for further help.
Captions for Channels:
1. On the TV remote, press the settings button to enter the TV settings menu.
2. Select ChannelsàSubtitle. On the Subtitle menu, you could turn on/off the captions for the videos, and so on.