Connecting to an AV DeviceUsing an HDMI or an HDMI to DVI Cable: HD connection (up to 1080p)We recommend using the HDMI connection for the best quality HD picture.Available devices: DVD player,, Blu-ray player, HD cable box, HD STB (Set-Top-Box) satellite receiver✎ HDMI IN 1 (DVI), 2 (ARC), 3, 4 / PC/DVI AUDIO IN For better picture and audio quality, connect to a digital device using an HDMI cable. An HDMI cable supports digital video and audio signals, and does not require an audio cable.– To connect the TV to a digital device that does not support HDMI output, use an HDMI/DVI and audio cables. The picture may not display normally (if at all) or the audio may not work if you connect an external device thatuses an older version of HDMI mode is connected to the TV. If such a problem occurs, ask the manufacturerof the external device about the HDMI version and, if out of date, request an upgrade. Be sure to use an HDMI cable with a thickness of 14 mm or less. Be sure to purchase a certified HDMI cable. Otherwise, the picture may not display or a connection error mayoccur. We recommend using a basic high-speed HDMI cable or and HDMI cable that is Ethernet is compatible. Notethat this product does not support the Ethernet function via HDMI. This product supports the 3D and ARC (Audio Return Channel) functions via an HDMI cable. Note that theARC function is supported by the HDMI IN 2 (ARC) port only. The ARC function allows digital audio to output via the HDMI IN 2 (ARC) port. It can be enabled only when theTV is connected to an audio receiver that supports the ARC function.HDMI OUTDVI OUTR-AUDIO-LAUDIO OUT WRDeviceDevice !