Samsung UE50ES6300U E-Manual page 778

blank where the cursor is located on
the text input screen, the corresponding
lettering, numbers or special characters
will be displayed. e.g., if you press the
number 3 key in rapid succession, then
the assigned letters (D, E, and F) and
the number 3 will alternately appear in
order of input.
TEXT
●
Switches to teletext mode or Returns to
the previous screen.