Nixeus Technology, Inc.8Installation and ConnectionVideo & Audio The HDMI port is used for connecting your unit to your TV so you can view high-definitionvideo and audio. The Optical and Coaxial S/PDIF connections are for connecting your unit to an externaldecoder or amplifier for high definition audio.Press the hotkey button on the remote control and go to ‘System Setup’ → ‘AudioSetup’ to select Analog or Digital Audio Output. The A/V Phone jack is for connecting your unit to the CVBS/Analog audio RCA connectorson your TV. The adapter cable pictured below is included in the product package.