25Connecting using an HDMI Cable• The following types of HDMI cables are recommended:– High Speed HDMI Cable– High Speed HDMI Cable with Ethernet– Premium High Speed HDMI Cable– Premium High Speed HDMI Cable with Ethernet– Ultra High Speed HDMI Cable• Use an HDMI cable that is less than 17 mm thick to ensure an optimal connection.• Use of an non-certified HDMI cable may result in a blank screen or a connection error.• Certain HDMI cables and external devices may not be compatible with the product's HDMIversion.• This product does not support Ethernet access over HDMI. Ethernet is a Local Area Network(LAN) model utilizing standard coaxial cables of the IEEE.• Use a cable that is less than 3 m in length to get the best UHD-viewing quality.• Depending on the type of the graphic card used, certain computers may not support HDMI.If connecting a computer that does not support HDMI, use an DVI to HDMI cable or HDMI toDisplayPort cable to connect the computer to the product.• Connecting the product to an external device (DVD/Blu-ray player, set-top box, etc.) via anHDMI cable automatically activates Power Synchronization Mode. Power SynchronizationMode continuously monitors external devices that are connected via an HDMI cable. Todisable this feature, disconnect the HDMI cable from the external device." Depending on the model, this feature may not be supported.