Instruction/ maintenance manual of the product 4240HDC Scientific Atlanta
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SETTINGS EXIT GUIDE INFO CH - CH + VOL - VOL + SELECT EXPLORER 4250HD C POWER SETTINGS Explorer ® Digital Set-T op User ’ s Guide Models 4240HDC TM and 4250HDC TM with Multi-Stream CableCARD TM Int.
Notice to Installers The servicing instructions in this notice are for use by quali Þ ed service personnel only . T o reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions, unless you are quali Þ ed to do so.
Contents Important Safety Instructions ................................................................................ iv Welcome ............................................................................................................... 1 Safety First .
iv • Location of the antenna-discharge unit • Connection to grounding electrodes • Requirements for the grounding electrodes (see the following antenna grounding diagram as recommended by NEC AN.
v Accessories W arning W ARNING: A void electric shock and Þ re hazard! Only use attachments/accessories speci Þ ed by your service provider or the manufacturer . Service W arnings W ARNING: A void electric shock! Do not open the cover of this product.
W elcome The Explorer ® 4240HDC TM and 4250HDC TM Digital Interactive Set-T ops with a Multi-Stream CableCARD TM (M-Card TM ) provide high-de Þ nition (HD) capability and broadband digital video services.
2 What’ s In The Carton? The set-top carton contains the following items: Additional Equipment Y ou Might Need Y ou 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 information.
SETTINGS EXIT GUIDE INFO CH - CH + VOL - VOL + SELECT EXPLORER 4250HD C POWER SETTINGS T12966 1 4 12 11 7 8 9 10 56 23 What’ s on the Front Panel? 3 1 Power T urns the set-top on and off 2 VOL +, VO.
IR THIS DEVICE IS INTENDED TO BE ATT ACHED TO A RECEIVER THAT IS NOT USED TO RECEIVE OVER-THE-AIR BROADCAST SIGNALS. CONNECTION OF THIS DEVICE IN ANY OTHER F ASHION MAY CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS AND IS IN VIOLATION OF THE FCC RULES, PAR T 15 .
Connecting the Set-top T o connect your set-top to your entertainment devices, complete these steps. Identify the additional devices you will connect to the set-top and TV . See pages 12 through 17 and the related user guides for your devices for more information.
6 Connections for an HDTV and VCR T o 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.
7 For VCRs with Video and Left and Right Audio connectors, you can use the Out 2 connectors (Video, Left, and Right) on the set-top. Set-top Connections VCR Connections When using the set-top with an SDTV , you must make one of the following connections to view content.
8 V iew T elevision Programming Access Services and Programs Access cable services and programs by pressing the following keys on the remote control: • Guide –Access the on-screen guide.
9 Performance T ips 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 • V erify that the power to your TV is turned on. • V erify that your HDTV is in HD mode.
10 Frequently Asked Questions What is Digital T elevision? 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.
11 Picture Formats A standard-screen HDTV has a 4x3 aspect ratio. The screen is 4 units wide for every 3 units tall. A wide-screen HDTV is one-third wider than a standard-screen HDTV .
12 Connecting to an HDTV with an HDMI Connector Important Notes Regarding the HDMI Interface on the Set-T op The HDMI interface automatically con Þ gures the audio output for a format supported by the television.
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 DV I connector on your HDTV , you need an HDMI- to-DVI adaptor and a separate audio connection.
Connecting to an HDTV with Component Input (PrPbY) Required cables: • 1 set component video cables (PrPbY) • 1 audio Left/Right cable 14 W ARNING: Electric shock hazard! Unplug all electronic devices before connecting or disconnecting any device cables to the set-top.
15 Note : This connection assumes that audio is provided by the home theater speakers. W ARNING: Electric shock hazard! Unplug all electronic devices before connecting or disconnecting any device cables to the set-top.
T12972 Explorer Set-top IR THIS DEVICE IS INTENDED TO BE ATT ACHED TO A RECEIVER THAT IS NOT USED TO RECEIVE OVER-THE-AIR BROADCAST SIGNALS. CONNECTION OF THIS DEVICE IN ANY OTHER F ASHION MAY CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS AND IS IN VIOLATION OF THE FCC RULES, PART 15.
Connecting the Set-top in HD Mode to an SDTV with Component Input (PrPbY) Connecting to an HDTV with a 1394 Connector 17 Required cables: • 1 6-pin to 4-pin 1394 cable (Consult your TV user ’s gui.
18 Index 1394 4, 6, 17 A AC Outlet iv , 4 Power input 4 Aspect ratio 1 1 B Back panel 4 Burn-in of screen 8 C CableCard 2, 4, 10 Cables 2 Cable Out, connector 4 Compliance, FCC and Canadian EMI Back Cover Component video connection.
Index, continued 19 Standard-de Þ nition, What is it 10 Standard screen TV 1 1 Stretching and zooming picture 8, 1 1 Support, consumer 1 T T ime display 5 T roubleshooting 9 TV digital, what is it 10.
Scienti Þ c Atlanta, A Cisco Company 770.236.5000 5030 Sugarloaf Parkway www.scienti Þ catlanta.com Box 465447 Lawrenceville, GA 30042 This document includes various trademarks of Scienti Þ c-Atlanta, Inc. Please see the Trademarks section of this document for a list of the Scienti Þ c-Atlanta, Inc.
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