Samsung UN46ES7500FXZA E-Manual page 202

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Switch Input
sequence to change switching input
language.
●
Mouse Settings
Lets you use a USB or Bluetooth mouse
with your TV. If you want to use a USB
mouse, connect it on the USB port. If
you want to use a Bluetooth mouse,
connect it using the Bluetooth function.
Using your TV to use a mouse, you can
use the TV's menu in the same way as
Language: Select a key