- 89 -VIERA Link ™ “HDAVI Control ™”Basic featureSimultaneously control all Panasonic “HDAVI Control” equipped componentsusing one button on the TV remote. Enjoy additional HDMI Inter-Operabilitywith compatible Panasonic products. This TV supports “HDAVI Control 5”function. Connections to equipment (Blu-ray Disc player, DVD recorder, HDCamcorder, Home Theater System, Amplifier, etc.) with HDMI cables enablesVIERA Link controls.■ Available HDAVI Control functionsVersion OperationsHDAVI Control orlater● Automatic Input Switching● Power on link● Power off link● Speaker controlHDAVI Control 2 orlater● VIERA Link control only with the TV’s remotecontrol● Unselected device auto off (for available equipmentonly)HDAVI Control 3 orlater● Automatic lip-sync functionHDAVI Control 4 orlater● Energy saving mode (with Quick Start mode)HDAVI Control 5 ● Audio Return ChannelAudio Return Channel (ARC) is a function thatenables digital sound signals to be sent via anHDMI cable back from the TV to a connected audiodevice.