A:Answer Yes, you can. The following is an excerpt from the user manual:
[My CopyPaste wasn't perfect but, you get the idea.]
"Controlling the TV with a Keyboard or Mouse
Connecting a keyboard or mouse to make it easier to control the TV. Settings General External Device Manager Input Device Manager Try Now
You can connect a keyboard or mouse to make it easier to control the TV.
Connecting a USB keyboard or mouse
Plug the keyboard or mouse cable into the USB port.
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If you connect a mouse, it is available only in the Internet app.
Connecting a Bluetooth keyboard or mouse Settings General External Device Manager Input Device Manager Bluetooth Device List
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This function may not be supported depending on the model or geographical area.
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If your device was not detected, position the keyboard close to the TV, and then select Refresh. The TV scans for available devices again.
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If you connect a mouse, it is available only in the Internet app."