Samsung UN55FH6200FXZA - Manual (Page 226)

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 or HDMI
jacks.
●
ℓ ∫
Caption Mode
You can select the desired caption
mode.
N
The availability of captions depends
on the program being broadcast.