Samsung UN55FH6200FXZA - Manual (Page 228)

only) The digital caption function
works with digital channels.
N Service1 – Service6 may not be
available in digital caption mode
depending on the broadcast.
●
ℓ ∫
Digital Caption Options
(Digital channels only)
Lets you adjust each option.
Size : Options include Default , Small ,
Standard , and Large . The default is
Standard .