Samsung UN75ES9000F E-Manual page 678

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If you control an external device by
using the Smart Touch Control, the
IR Blaster sends an IR signal into a
corresponding external device.
Setting up Universal Remote Control
Lets you control a Set-Top Box (STB)
or a BD player or both connected to the
TV using your Smart Touch Control.
After you connect the device to the TV,
the Smart Touch Control can control
the navigation, number, and other keys