Samsung UN75ES9000F E-Manual page 226

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