About Enhanced Channel mode◦ .flv (Flash Video)◦ .mp4 (MPEG-4)◦ .png (Portable Network Graphic)◦ .jpg (Joint Photographic Experts Group)◦ .tga (Targa Graphic)◦ .gif (Graphical Interchange Format)◦ .bmp (Bitmap Image)◦ .tif (Tagged Image File)• Automation support includes all Oxtel protocol automation systems, with clip playback control viaSpectrum API or VDCP/BVW (RS-422).• Master Control Switching supports switching between live inputs and prerecorded clips.• Support for Emergency Alert System (EAS) is available as a license option for use only in the UnitedStates. EAS data and audio is provided by customer’s EAS equipment.• Support for audio profiles containing down-mix and voice-over parameters, which can be mapped toChannelPort channel sources.About Enhanced Channel modeEnhanced Channel is a licensed option that combines resources from both channels into a single channelwith additional capabilities.Enhanced Channel features include:• External key/fill support (available when inputs are not in use for blending live video). The SDI inputformat must match the video format of the primary output and must be referenced aligned.• Two live inputs (available when inputs are not being used for external key/fill). Each live SDI input mustmatch the video format of the Primary SDI output and must be reference-aligned.• Two DVE engines on a single channel.• Two clip players for a single channel.• Four or eight graphics layers, as licensed.• Optional Independent Branding mode (see “Enabling and configuring independent branding” in theHarmonic SystemManager User Guide).With these additional features you can:• Brand the Secondary output with graphics different than those used for the Primary output.• Mix video from any combination of two clip players or two live input sources.• Use two DVE engines on a single channel, allowing squeeze-backs between player/ inputcombinations.• Use an external device to generate key or fill graphics, and overlay the graphics onto the SpectrumX or the ChannelPort output video, along with graphics generated by the Spectrum X or theChannelPort.Note that when the Spectrum X or the ChannelPort module is in Enhanced Channel mode, thefunctionality of some I/O connectors will change based on your I/O Configuration selection in theSystemManager or Spectrum Management. For instructions on enabling Enhanced Channel mode andchanging connector configurations, see the Harmonic SystemManager User Guide or the SpectrumManagement Help system.169 Spectrum System 8.4 Installation Guide
