Samsung UN55FH6200FXZA - Manual (Page 407)

screen and keyboard appear.
5. Use your remote to highlight and
select letters. If you have a USB
or Bluetooth keyboard attached to
the TV, use the keyboard to type in
letters.
6. When done, select
OK on the on-
screen keyboard or press E on the
remote. If you are using a physical
keyboard, press Enter on the
keyboard.