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 Scenium HDTV is equipped with many features that will enhance your viewingexperience. The following section highlights some of your TV’s most unique features. For detailsabout many of the TV’s features, go to Chapter 3.Integrated HDTV Tuner with QAMRCA was the first to offer an integrated tuner with its HDTVs (no need for another box to receivedigital programming). Now, we’ve gone one better— your HDTV’s tuner is ready for digital cable(no need for a cable box to view unscrambled digital cable programming). The tuner is able todecode all 16 formats of digital television broadcasts and it can interpret digital cable signalsbecause it includes QAM (Quadrature Amplitude Modulation).Note: A cable box may be necessary to view scrambled channels. Contact your cableprovider for more information.TruScan Digital RealityPicture performance starts with signal processing. TruScan Digital Reality intelligent signalprocessing recognizes incoming video signals and progressively converts them to achieve optimumdigital picture performance. It also recognizes when original film sources have been modified andautomatically converts the analog frame rate back to its original format to bring out the detail--aprocess commonly referred to as reverse 3:2 pulldown.AVR Picture Projection SystemThe Accurate Visual Reality high definition picture projection system offers a brighter picture thanconventional CRTs (cathode ray tubes). These tubes creates brilliant, lifelike fidelity. The AVR 4lens system is designed to complement the CRTs providing accurate colors and razor sharp focuseverywhere on the screen.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 Jack toa different setting and the TV will automatically adjust the picture accordingly.• Help Text: The elaborate, on-screen help text describes your TV’s features andexplains how to use them.• GUIDE Plus+™ System: The on-screen programming guide helps you navigatethrough hundreds of channels so you can quickly see what’s on and tunedirectly to a specific show from the guide! You can use the sort feature tosearch listings. You can even set up reminders to watch a certain show via theGUIDE Plus+ system’s Watch menu.