2IntroductionDigital Signal and SoundDigital signals can be compressed, enabling a much more robust signal with no variation inquality. Digital signals, in contrast to analog signals that are used with regular TVs, can bereproduced precisely. Another requirement of HDTV is the ability to reproduce 5.1 Dolby Digitalsound. Connect a home theatre system to your HDTV and you’ll never “go out” to a movie orsporting event again--watching at home will be as good as the real thing!Key Features OverviewYour RCA HDTV is equipped with many features that will enhance your viewing experience. The followingsection highlights some of your TV’s most unique features. For details about many of the TV’s features, go toChapter 3.Integrated HDTV Tuner with QAMRCA was the first to offer an integrated tuner with its HDTVs (no need for another box to receive digitalprogramming). Now, we’ve gone one better— your HDTV’s tuner is ready for digital cable (no need for a cablebox to view unscrambled digital cable programming). The tuner is able to decode all 16 formats of digitaltelevision broadcasts and it can interpret digital cable signals because it includes QAM (Quadrature AmplitudeModulation).Note: A cable box may be necessary to view scrambled channels. Contact your cable provider for moreinformation.TruScan Digital RealityPicture performance starts with signal processing. TruScan Digital Reality intelligent signal processingrecognizes incoming video signals and progressively converts them to achieve optimum digital pictureperformance. It also recognizes when original film sources have been modified and automatically converts theanalog frame rate back to its original format to bring out the detail--a process commonly referred to as reverse3:2 pulldown.User-friendly Features Help You Personalize Your TV• You can customize your TV to fit your viewing taste and match the lightingwhere you watch TV by using Personal Presets and or the automatic picturequality settings: Vibrant, Natural, Cinematic. You can adjust each Input Jackto a different setting and the TV will automatically adjust the pictureaccordingly.• Help Text: The elaborate, on-screen help text describes your TV’s featuresand explains how to use them.• GUIDE Plus+™ System: The on-screen programming guide helps younavigate through hundreds of channels so you can quickly see what’s onand tune directly to a specific show from the guide! You can use the sortfeature to search listings. You can even set up reminders to watch a certainshow via the GUIDE Plus+ system’s Watch menu.