Samsung UN55FH6200FXZA - Manual (Page 232)

Opacity settings to their defaults.
N
Digital Caption Options are available
only when you can select Service1 –
Service6 in Caption Mode .
N
The availability of captions depends
on the program being broadcast.
N
The Default setting follows the
standards set by the broadcaster.
N
You cannot set both the Font Color
and the Background Color to the
same color.