Samsung UN55FH6200FXZA - Manual (Page 237)

If the screen displays a still image for
a certain period of time you define, the
TV activates the screen saver to prevent
the formation of burnt in ghost images
on the screen.
●
ℓ
Scrolling
This function removes after-images on
the screen by illuminating all the pixels
on the screen according to a pattern.
Use this function when there are after
images or symbols on the screen,