Samsung UN60ES7500FXZA - Manual (Page 295)

with the QWERTY Keypad
● a Delete All
Delete all inputted character.
● b Numeric / QWERTY
Toggles the keypad mode between
Numeric mode and QWERTY mode.
N When the keypad is set to
QWERTY mode, you can input
a character using a USB or
Bluetooth keyboard connected on
the TV.