What HDMI cable version should I use to connect devices to my TV?
You should use HDMI cable version 1.3 or higher. If HDMI cables don't support version 1.3, flickering or no screen display can result. It is recommended to use cables less than 10m in length, and for longer distances, use an amplifier or repeater. Check that your HDMI cable meets these specifications before connecting.
From the official LG AW-47LG30M 47-Inch LED TV manual, page 31
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