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The picture format for an HDTV is a combination of aspect ratio and screen resolution and is different for standard-screen and wide-screen HDTVs. What is Aspect Ratio? An aspect ratio is the ratio of the width to the height of the TV screen. The aspect ratios differ because the television industry manufactures both standard-screen and wide-screen HDTVs to appeal to consumer viewing preferences. What is the Screen Resolution and Scan Rate? The screen resolution indicates the amount of detail that the picture displays. Resolution is identified by the number of display lines on the screen. The techniques that an HDTV uses to “paint” the picture on the screen are referred to as progressive and interlaced. With the progressive method, the lines are drawn on the screen one at a time in sequential order. The interlaced method involves refreshing pixels in alternation — first the odd lines and then the even lines. For advance setup, select the scan modes that your TV can support. Refer to your set-top and HDTV user guides to choose the proper scan rates (480i, 480p, 720p, 1080i) for your setup. For example, a resolution of 1080i indicates that the screen shows 1080 lines in an interlaced display, and 480p indicates that the screens shows 480 lines in a progressive display. Notes: • The screen resolution (1080i, 480p, and so forth) is sometimes referred to as the scan rate. The terms are interchangeable. • You can stretch and zoom the displayed picture using the built-in capability of the set-top by pressing the # key on the remote control. A standard-screen HDTV has a 4x3 aspect ratio. The screen is 4 units wide for every 3 units tall. A screen resolution of 480p or 480i fills the screen. 4 3 A wide-screen HDTV is one-third wider than a standard-screen HDTV. The screen is 16 units wide for every 9 units tall. A screen resolution of 720p or 1080i fills the screen. 16 9 11 Connecting to an HDTV with an HDMI Connector Required cables: • 1 HDMI-to-HDMI cable Important Notes Regarding the HDMI Interface on the Set-Top The HDMI interface automatically confi gures the audio output for a format supported by the television. Because not all TVs support the Dolby® Digital input, the HDMI interface may automatically select a 2-channel stereo audio confi guration instead of Dolby Digital, which it carries over to the other digital audio outputs of the set-top. This prevents your home theater system or Dolby Digital decoder from providing the full Dolby Digital surround-sound effect. You can override this confi guration by completing the following steps. 1. Press SETTINGS twice on the remote control to open the General Settings menu. 2. Press MOVE UP or MOVE DOWN to select the option Audio: Digital Out. 3. Press MOVE RIGHT to select Dolby Digital. This setting will send Dolby Digital audio to the HDMI, DIGITAL AUDIO OUT, and OPTICAL AUDIO OUT connectors on the set-top. Notes: • If the TV is not Dolby Digital capable, it may not produce audio through its speakers when the Audio: Digital Out setting on the set-top is set to Dolby Digital. You can either switch the Audio: Digital Out setting back to HDMI when you are not using the home theater or Dolby Digital decoder, or you can connect the baseband audio outputs (OUT 1 Audio Left and Right) to the TV. • Digital content is encrypted with High-Bandwidth Content Protection (HDCP) on the DVI/HDMI port. This set-top is not compatible with devices that do not support HDCP. You must use either the YPbPr or 1394 connection to connect the set-top to these devices. CABLE OUT S-VIDEO OUT USB 2.0 120VAC 60Hz 80W 120 VAC 60Hz 4.2A 500W OPTICAL AUDIO OUT MULTI-STREAM CABLE CARD VIDEO L R VIDEO L R Pb L R IR eSATA 1394 1394 CABLE IN M-CARD SN: PKCPKPDBT THIS DEVICE IS INTENDED TO BE ATTACHED TO A RECEIVER THAT IS NOT USED TO RECEIVE OVER-THE-AIR BROADCAST SIGNALS. CONNECTION OF THIS DEVICE IN ANY OTHER FASHION MAY CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS AND IS IN VIOLATION OF THE FCC RULES, PART 15. AVIS: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN SCIENTIFIC-ATLANTA, INC. CATV CONVERTER MADE IN MEXICO LISTED 14H1 VIDEO PRODUCT eCM MAC: 001AC3F4F757 STB RF MAC: 001AC3F$F756 STB SN: SABPQBQGD ARCHIVE OUT 1 Y Pr DIGITAL AUDIO M-CARD MAC: 001AC326910A Back of HDTV HDMI AUDIO CENTER CHANNEL IN AUDIO IN DVI/HDCP ANT (75 ) OUT IN R L ANT-1 HD 2 Y OUT ANT-2 PB PR L R VIDEO L/ MONO R L/ MONO R AUDIO IN ON OFF IN HD 1 S-VIDEO VIDEO Y PB PR L R AUDIO AUDIO Explorer Set-top Cable Input T13666 WARNING: Electric shock hazard! Unplug all electronic devices before connecting or disconnecting any device cables to the set-top. 12 Connecting to an HDTV with a DVI Connector Required cables: • 1 HDMI-to-DVI or 1 HDMI-to-HDMI cable and 1 DVI adapter • 1 audio Left/Right cable Notes: • When you connect the HDMI connector to the DVI connector on your HDTV, you need an HDMI-to-DVI adaptor and a separate audio connection. • Digital content is encrypted with High-Bandwid...

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