Samsung PN51D490A1DXZA E-Manual page 139

NOTE
N
●
Digital Caption Options
and
● The availability of captions depends on the program being broadcast.
●
The
● You cannot set the Foreground and Background to the same color.
● You cannot set both the
◀
Opacity
Service1 ~ Service6
Default setting follows the standards set by the broadcaster.
to Transparent.
are available only when you can select
in Caption Mode.
Foreground Opacity
English
Default
and the Background
▶