Samsung UN55ES8000G E-Manual page 170

and devices using
N
A keyboard appears on the screen.
Key in a name for your TV using
your remote control. When finished,
select Done.
N
To enter letters, highlight and select
each letter. To enter numbers,
highlight and select each number or
press the number buttons on your
remote.
N
To shift to capital letters (or from
AllShare Play.