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®
Explorer Digital Set-Top
Users Guide
TM TM
Models 4240HDC and 4250HDC
TM
with Multi-Stream CableCARD Interface
EXPLORER 4250HDC
CH+
SELECT
VOL- VOL+ GUIDE
INFO
EXIT
POWER
SETTINGS SETTINGS
CH-
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Notice to Installers The servicing instructions in this notice are for use by qualiÞ ed service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions, unless you are qualiÞ ed to do so. Note to System Installer For this apparatus, the coaxial cable shield/screen shall be grounded as close as practical to the point of entry of the cable into the building.For products sold in the US and Canada, this reminder i
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Contents Important Safety Instructions ................................................................................iv Welcome ............................................................................................................... 1 Safety First ........................................................................................................... 1 For More Information ............................................................................................ 1 Identify Your 424
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IMPORTANT SAFETY INSTRUCTIONS Location of the antenna-discharge unit Read These Instructions Connection to grounding electrodes Keep These Instructions Requirements for the grounding electrodes (see the following antenna grounding diagram Heed All Warnings as recommended by NEC ANSI/NFPA 70) Follow All Instructions Power Source Warning A label on this product indicates the correct power source for this product. Operate this product only from an electrical outlet with the voltage and f
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IMPORTANT SAFETY INSTRUCTIONS, continued Prevent Power Cord Damage Accessories Warning Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where the cord exits WARNING: from the apparatus. Avoid electric shock and Þ re hazard! Only use attachments/accessories speciÞ ed by your service provider or Provide Ventilation and Select a the manufacturer. Location Do not block any ventilation openings. Install Service Warnings
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Welcome TM TM ® The Explorer 4240HDC and 4250HDC Digital Interactive Set-Tops with a Multi-Stream TM TM CableCARD (M-Card ) provide high-deÞ nition (HD) capability and broadband digital video services. Follow the instructions in this guide to install the 4240HDC or 4250HDC, to become familiar with the buttons on the front panel, and to access your cable services. Then, enjoy the features of the 4240HDC or 4250HDC and change the way you watch TV! Safety First Before using the set-top, read t
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Whats In The Carton? The set-top carton contains the following items: EXPLORER 4250HDC CH+ SELECT VOL- VOL+ GUIDE INFO EXIT POWER SETTINGS SETTINGS CH- 4240HDC or 4250HDC Set-top Connection Guide Power Cord Audio Left/Right Cable Component Video Cables (PrPbY) Additional Equipment You Might Need You might need some of the cables and adapters shown below for connecting the set-top to your home entertainment devices. See the connection information beginning on page 12 for more inform
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Whats on the Front Panel? EXPLORER 4250HDC CH+ SELECT - + GUIDE VOL VOL INFO EXIT POWER SETTINGS SETTINGS - CH 1 23 456 7 8 9 10 11 12 T12966 1 Power Turns the set-top on and off 2 VOL +, VOL - Increases and decreases the volume 3 CH+, CH - Scrolls up and down through the channels 4 Select Provides access to your on-screen selection 5 IR Sensor Receives the infrared signal from the remote control 6 LED Display Displays the selected channel number and time of day. The LED also
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Whats on the Back Panel? MULTI-STREAM CABLE CARD AUDIO OUT STB SN: SABNFSRVG Pr L CAUTION eCM MAC: 001868C16907 RISK OF ELECTRIC SHOCK Pb DO NOT OPEN IR AVIS: RISQUE DE CHOC STB RF MAC: 001868C16906 ELECTRIQUE NE PAS OUVRIR R THIS DEVICE IS INTENDED TO Y BE ATTACHED TO A RECEIVER THAT IS NOT USED TO RECEIVE OVER-THE-AIR BROADCAST SIGNALS. CONNECTION OF THIS 120 VAC 120 VAC DEVICE IN ANY OTHER FASHION MAY CAUSE HARMFUL 60HZ 400W 60HZ 40W INTERFERENCE TO RADIO HDTV DIGITAL VIDEO CABLE
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Connecting the Set-top To connect your set-top to your entertainment devices, complete these steps. Determine if your TV is HD or SD and 16 4 whether it is wide or 9 3 screen (16:9) or standard screen (4:3). See page 11 1 for more information. Make the connections for your TV and/or VCR as follows: If you are using an HDTV, see page 6 and the connection diagrams at the end of this guide. If you are using an SDTV, see page 7 and the connection diagrams at the end of this guide.
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Connections for an HDTV and VCR To use the set-top with an HDTV, you must make one of the following connections to view the HD content. In addition, you can make connections to a digital or analog VCR to record to a VCR tape. Refer to your TV and VCR users guides and the cabling diagrams in this guide for more detailed connection information. Note: The labeling on your set-top may vary slightly. Set-top HDTV Required Connections to an HDTV (use one) Connections Connections Some HDTVs have a
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Connections for a Standard-DeÞ nition TV and VCR When using the set-top with an SDTV, you must make one of the following connections to view content. Some SDTVs may not have all these connections. In addition, you can make connections to a VCR to record to a VCR tape. Refer to your TV and VCR users guides and the cabling diagrams in this guide for more detailed information. Note: The labeling on your set-top may vary slightly. Set-top SDTV Required Connections to an SDTV (use one) Connection
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View Television Programming Access Services and Programs Access cable services and programs by pressing the following keys on the remote control: GuideAccess the on-screen guide. The on-screen guide displays schedules of TV programs and other services available from your cable service provider, such as video-on-demand and pay-per-view programs. ArrowsSelect a program in the schedule. InfoDisplay a speciÞ c program description (either from the on-screen guide or while viewing a prog
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Performance Tips If the set-top does not perform as expected, the following tips may help. If you need further assistance, contact your service provider. No Picture Verify that the power to your TV is turned on. Verify that your HDTV is in HD mode. If necessary, run the HD Setup Wizard to select HD mode. If the set-top is plugged into a wall switch, verify that the switch is in the ON position. Verify that all cables are properly connected. Verify that the M-Card module is installed.
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Frequently Asked Questions What is Digital Television? Digital television (DTV) is a huge leap forward in television technology compared to analog television that has been widely available since the 1940s. DTV is delivered and displayed using digital encoding, similar to the way a PC operates. By using digital technology, there is no variation in picture and sound quality from the origination point until it is displayed on your television. You always receive a high-quality picture without th
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Picture Formats What is the Difference Between a Standard-Screen and a Wide-Screen HDTV The type of screen your HDTV has (wide screen or standard screen) determines how the set-top displays programs on the screen. 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 tel
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Connecting to an HDTV with an HDMI Connector WARNING: Electric shock hazard! Unplug all electronic devices before connecting or disconnecting any device cables to the set-top. Required cables: 1 HDMI-to-HDMI cable Explorer Set-top MULTI-STREAM CABLE CARD AUDIO OUT STB SN: SABNFSRVG Pr L CAUTION eCM MAC: 001868C16907 RISK OF ELECTRIC SHOCK Pb DO NOT OPEN IR AVIS: RISQUE DE CHOC STB RF MAC: 001868C16906 ELECTRIQUE NE PAS OUVRIR R THIS DEVICE IS INTENDED TO BE ATTACHED TO A RECEIVER Y TH
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Connecting to an HDTV with a DVI Connector WARNING: Electric shock hazard! Unplug all electronic devices before connecting or disconnecting any device cables to the set-top. Required cables: 1 HDMI-to-DVI or 1 HDMI-to-HDMI cable and 1 DVI adapter 1 audio Left/Right cable Explorer Set-top MULTI-STREAM CABLE CARD AUDIO OUT STB SN: SABNFSRVG Pr L CAUTION eCM MAC: 001868C16907 RISK OF ELECTRIC SHOCK Pb IR DO NOT OPEN AVIS: RISQUE DE CHOC STB RF MAC: 001868C16906 ELECTRIQUE NE PAS O
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Connecting to an HDTV with Component Input (PrPbY) WARNING: Electric shock hazard! Unplug all electronic devices before connecting or disconnecting any device cables to the set-top. Required cables: 1 set component video cables (PrPbY) 1 audio Left/Right cable Explorer Set-top MULTI-STREAM CABLE CARD AUDIO OUT STB SN: SABNFSRVG L Pr CAUTION eCM MAC: 001868C16907 RISK OF ELECTRIC SHOCK Pb DO NOT OPEN IR AVIS: RISQUE DE CHOC STB RF MAC: 001868C16906 ELECTRIQUE NE PAS OUVRIR R TH
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Connecting to a Home Theater System with Component Input (PrPbY) Required cables: 3 sets component video cables (PrPbY) 1 audio Left/Right cable 2 coaxial digital audio cables 1 video cable Explorer Set-top MULTI-STREAM CABLE CARD AUDIO OUT STB SN: SABNFSRVG Pr L CAUTION eCM MAC: 001868C16907 RISK OF ELECTRIC SHOCK Pb DO NOT OPEN IR AVIS: RISQUE DE CHOC STB RF MAC: 001868C16906 ELECTRIQUE NE PAS OUVRIR R THIS DEVICE IS INTENDED TO BE ATTACHED TO A RECEIVER Y THAT IS NOT USED TO RE
