Samsung PN43D430A3DXZA - Manual (Page 115)

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English
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■ Caption
(On-Screen Text Messages)
● Caption ( Off / On ): You can switch the caption function on or off. If captions
are not available, they will not be displayed on the screen.
N
The Caption feature does not work with devices connected to the TV
through the Component, HDMI or PC input jacks.
● Caption Mode : You can select the desired caption mode.
N
The availability of captions depends on the program being broadcast.
Default / CC1~CC4 / Text1~Text4 : (analog channels only) The Analog Caption
function operates in either analog TV channel mode or when a signal is supplied
from an external device to the TV. (Depending on the broadcasting signal, the
Analog Caption function may or may not work with digital channels.)