Samsung PN51E550 E-Manual page 19

i_oi_de _ window closes and the new
or revised name appears below the
folder.
The function lets you lock some
a p p i i c ati o n s i n ++_:+ so t hey
cannot be opened without entering your
security PIN.
Depending
funct+on _ay
app++cat+on, th+s
supported°
use the
function, fo++ow