Explorer® Set-Top
Models 4540HDC
™
4550HDC
with Multi-Stream
User’s Guide
™
and
CableCARD
CH+
VOL+VOL-
CH-
SELECT
™
Interface
SETTINGS
EXITINFOGUIDE
POWER
EXPLORER® 4550HDC
™
Notice to Installers
The servicing instructions in this notice are for use by qualifi 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 qualifi 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 is provided to call the system installer's attention to
Article 820-93 and Article 820-100 of the NEC (or Canadian
Electrical Code Part 1), which provides guidelines for proper
grounding of the coaxial cable shield.
This symbol is intended to alert you that uninsulated voltage
within this product may have sufficient magnitude to cause
electric shock.Therefore, it is dangerous to make any kind of
contact with any inside part of this product.
Ce symbole a pour but d’alerter toute personne qu’un contact
avec une pièce interne de ce produit, sous tension et non isolée,
pourrait être suffisant pour provoquer un choc électrique. Il est
donc dangereux d’être en contact avec toute pièce interne de
ce produit.
CAUTION: To reduce the risk of electric shock, do not
remove cover (or back). No user-serviceable parts
inside. Refer servicing to qualified service personnel.
WARNING
TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS UNIT TO RAIN OR MOISTURE.
This symbol is intended to alert you of the presence
of important operating and maintenance (servicing)
instructions in the literature accompanying this product.
Ce symbole a pour but de vous avertir qu’une
documentation importante sur le fonctionnement et
l’entretien accompagne ce produit.
20070131 SysInstaller 820 US/Canada/Intl
U.S. Patents
A patent notice is affi xed to this product. In addition, the product may also be covered by one or
more of the following patents:
4,498,169, 4,692,919, 4,748,667; 4,829,569; 4,866,770; 4,885,775; 4,888,799; 4,890,319; 4,922,456; 4,922,532; 4,924,498; 4,965,534; 4,991,011;
5,003,384; 5,012,510; 5,029,207; 5,045,816; 5,053,883; 5,054,071; 5,058,160; 5,142,575; 5,142,690; 5,146,526; 5,155,590; 5,214,390; 5,225,902;
5,225,925; 5,235,619; 5,237,610; 5,239,540; 5,241,610; 5,247,364; 5,255,086; 5,257,403; 5,267,071; 5,270,809; 5,271,041; 5,272,752; 5,282,028;
5,285,497; 5,287,351; 5,301,028; 5,309,514; 5,317,391; 5,319,709; 5,341,425; 5,347,388; 5,347,389; 5,357,276; 5,359,601; 5,361,156; 5,367,571;
5,379,141; 5,379,145; 5,381,481; 5,390,337; 5,400,401; 5,406,558; 5,418,782; 5,420,866; 5,420,923; 5,425,101; 5,428,404; 5,430,568; 5,434,610;
5,436,749; 5,438,370; 5,440,632; 5,442,472; 5,455,570; 5,457,701; 5,471,492; 5,477,199; 5,477,262; 5,477,282 5,477,370; 5,481,389; 5,481,542;
5,485,221; 5,493,339; 5,497,187; 5,500,758; 5,502,499; 5,506,904; 5,519,780; 5,539,822; 5,550,825; 5,579,055; 5,579,057; 5,583,562; 5,592,551;
5,596,606; 5,600,378; 5,602,933; 5,640,388; 5,657,414; 5,675,575; 5,684,876; 5,715,515; 5,724,525; 5,734,822; 5,740,300; 5,742,677; 5,754,940;
5,757,416; 5,771,064; 5,774,859; 5,825,829; 5,826,167; 5,850,305; 5,854,703; 5,870,474; 5,892,607; 5,920,626; 5,923,755; 5,930,024; 5,930,515;
5,937,067; 5,963,352; 5,966,163; 5,982,424; 5,991,139; 5,999,207; 6,005,631; 6,005,938; 6,016,163; 6,028,941; 6,029,046; 6,052,384; 6,055,244;
6,072,532; 6,105,134; 6,148,039; 6,157,719; 6,188,729; 6,195,389; 6,212,278; 6,215,530; 6,219,358; 6,240,103; 6,243,145; 6,246,767; 6,252,964;
6,272,226; 6,292,081; 6,292,568; 6,320,131; 6,374,275; 6,405,239; 6,411,602; 6,417,949; 6,424,714; 6,424,717; 6,433,906; 6,438,139; 6,463,586;
6,467,091; 6,476,878; 6,493,876; 6,510,519; 6,516,002; 6,516,412; 6,526,508; 6,538,595; 6,546,013; 6,560,340; 6,567,118; 6,570,888; 6,622,308;
6,629,227; 6,664,984; 6,667,994; 6,671,879; 6,674,967; 6,678,891; 6,714,598; 6,721,352; 6,721,956; 6,725,459; 6,738,982; 6,744,892; 6,744,967;
6,751,271; 6,760,918; 6,795,972; 6,802,077; 6,804,708; 6,811,447; 6,817,028; 6,822,972; 6,823,385; 6,832,386; 6,845,106; 6,868,473; 6,874,075;
6,889,191; 6,909,471; 6,917,622; 6,917,628; 6,922,412; 6,927,806; 6,928,656; 6,931,058; 6,937,729; 6,969,279; 6,971,008; 6,971,121; 6,978,310;
6,986,156; 6,988,900; 6,996,838; 7,010,801; 7,053,960; 7,065,213; 7,069,578; 7,069572; D348065; D354959; D359737; D363932; D390217; D434753;
D507240; D507535; D513407; D516518; RE36368; RE36988
20070417 Patents
ii
Contents
Important Safety Instructions ................................................................................iv
Welcome ............................................................................................................... 1
Safety First ...........................................................................................................1
Identify Your Set-Top ............................................................................................1
What’s in the Carton? ........................................................................................... 2
Additional Equipment You Might Need ................................................................. 2
What’s on the Front Panel? .................................................................................. 3
What’s on the Back Panel? ..................................................................................4
Connecting the Set-top ......................................................................................... 5
Connections for an HDTV and VCR ..................................................................... 6
Connections for a Standard-Defi nition TV and VCR ............................................ 7
View Television Programming ..............................................................................8
Troubleshooting ....................................................................................................9
Frequently Asked Questions............................................................................... 10
Picture Formats ...................................................................................................11
Connecting to an HDTV with an HDMI Connector ............................................. 12
Connecting to an HDTV with a DVI Connector................................................... 13
Connecting to an HDTV with Component Input (PrPbY) .................................... 14
Connecting to a Home Theater System with Component Input (PrPbY) ............ 15
Connecting to a Stereo VCR and HDTV (optional) ............................................ 16
Connecting to an HDTV with a 1394 Connector................................................. 17
Connecting the Set-top in HD Mode to an SDTV with
Component Input (PrPbY) ..................................................................................17
Index ................................................................................................................... 18
Compliance Information...................................................................................... 21
iii
IMPORTANT SAFETY INSTRUCTIONS
Read These Instructions
Keep These Instructions
Heed All Warnings
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 frequency indicated on the product
label. If you are uncertain of the type of power
supply to your home or business, consult your
service provider or your local power company.
Ground the Product
WARNING:
Avoid electric shock and fi re hazard!
Do not defeat the safety purpose of
the polarized or grounding-type plug.
A polarized plug has two blades with
one wider than the other. A groundingtype plug has two blades and a third
grounding prong. The wide blade or the
third prong is provided for your safety.
If the provided plug does not fi t into
your outlet, consult an electrician for
replacement of the obsolete outlet.
If this product connects to coaxial cable wiring,
be sure the cable system is grounded (earthed).
Grounding provides some protection against
voltage surges and built-up static charges.
Outdoor Grounding System
If this product connects to an outdoor antenna
or cable system, be sure the antenna or cable
system is grounded (earthed). This provides
some protection against voltage surges and
built-up static charges.
Article 810 of the National Electric Code (NEC)
ANSI/NFP A No. 70-1990, provides the following
information:
• Grounding of the mast and supporting
structure
• Grounding the lead-in wire to an antenna
discharge unit
• Size of the grounding conductors
• 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 ANSI/NFPA 70)
WARNING:
Avoid electric shock and fi re hazard! Do
not locate an outside antenna system in
the vicinity of overhead power lines or
power circuits. Touching power lines or
circuits might be fatal.
Protect the Product from Lightning
For added protection, unplug this apparatus
during lightning storms or when unused for long
periods of time. In addition to disconnecting the
AC power from the wall outlet, disconnect the
signal inputs.
Verify the Power Source from the
On/Off Power Light
When the on/off power light is not illuminated,
the apparatus may still be connected to the
power source. The light goes out when the
apparatus is turned off, regardless of whether
it is still plugged into an AC power source.
Eliminate AC Mains Overloads
WARNING:
Avoid electric shock and fi re hazard!
Do not overload AC mains, outlets,
extension cords, or integral convenience
receptacles. For products that require
battery power or other power sources
to operate them, refer to the operating
instructions for those products.
iv
IMPORTANT SAFETY INSTRUCTIONS, continued
Prevent Power Cord Damage
Protect the power cord from being walked on
or pinched, particularly at plugs, convenience
receptacles, and the point where the cord exits
from the apparatus.
Provide Ventilation and Select a
Location
• Do not block any ventilation openings. Install
in accordance with the manufacturer’s
instructions.
• Do not place this apparatus on a bed, sofa,
rug, or similar surface.
• Do not place this apparatus on an unstable
surface.
• Do not install near any heat sources such
as radiators, heat registers, stoves, or other
apparatus (including amplifi ers) that produce
heat.
• Do not install this apparatus in an enclosure,
such as a bookcase or rack, unless the
installation provides proper ventilation.
• Do not place entertainment devices (such as
VCRs or DVDs), lamps, books, vases with
liquids, or other objects on top of this product.
Protect from Exposure to Moisture
and Foreign Objects
Do not use this apparatus near water.
WARNING:
Avoid electric shock and fi re hazard! Do
not expose this product to liquids, rain,
or moisture.
WARNING:
Avoid electric shock and fi re hazard!
Unplug this product before cleaning.
Clean only with a dry cloth. Do not use
a liquid cleaner or an aerosol cleaner.
Do not use a magnetic/static cleaning
device (dust remover) to clean this
product.
WARNING:
Avoid electric shock and fi re hazard!
Never push objects through the
openings in this product. Foreign
objects can cause electrical shorts that
can result in electric shock or fi re.
Accessories Warning
WARNING:
Avoid electric shock and fi re hazard!
Only use attachments/accessories
specifi ed by your service provider or
the manufacturer.
Service Warnings
WARNING:
Avoid electric shock! Do not open
the cover of this product. Opening or
removing the cover may expose you
to dangerous voltages. If you open the
cover, your warranty will be void. This
product contains no user-serviceable
parts. Refer all servicing to qualifi ed
service personnel.
Servicing is required when the apparatus has
been damaged in any way , such as a powersupply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus,
the apparatus has been exposed to rain or
moisture, does not operate normally , or has
been dropped.
Check Product Safety
Upon completion of any service or repairs to this
product, the service technician must perform
safety checks to determine that this product is in
proper operating condition.
Protect the Product when Moving It
Always disconnect the power source when
moving the apparatus or connecting or
disconnecting cables.
WARNING:
Avoid personal injury and
damage to this product! Use
only with the cart, stand, tripod,
bracket, or table specifi ed by the
manufacturer or sold with the apparatus.
When a cart is used, use caution when
moving the cart/ apparatus combination to
avoid injury from tip-over.
20070320 Set-Top Cable US & Canada
v
vi
Welcome
The Explorer® 4540HDC™ and 4550HDC™ Digital Interactive Set-Tops with a Multi-Stream
CableCARD
services.
Follow the instructions in this guide to install the 4540HDC or 4550HDC, to become familiar with
the buttons on the front panel, and to access your cable services. Then, enjoy the features of the
4540HDC or 4550HDC and change the way you watch TV!
Important: If the M-Card is removed, the set-top will not operate correctly.
The consumer support website provides news and information about this product. For more
information, please refer to www.scientifi catlanta.com/products/consumers/new_cableboxes.htm.
™
(M-Card™) provide high-defi nition (HD) capability and broadband digital video
Safety First
Before using the set-top, read the Important Safety Instructions section of this guide.
Identify Your Set-Top
To fi nd the serial number for your set-top, look on the bottom for a label that is similar to the
example shown here. The serial number begins with “SA“ and is located at the top of the bar code.
STB SN: SABNFSRVG
eCM MAC: 001868C16907
STB RF MAC: 001868C16906
Serial Number
If your set-top requires troubleshooting in the future, your cable service provider may ask for this
serial number.
Use the space provided here to record the serial number: _________________________________
T13039
1
What’s In The Carton?
The set-top carton contains the following items:
CH+
VOL- VOL+
SELECT
CH-
GUIDE
SETTINGSEXITINFO
• 4540HDC or 4550HDC Set-top
POWER
EXPLORER 4550HDC
• Connection Guide
• Power Cord
with M-Card
• Component Video Cables (PrPbY)
• Audio Left/Right Cable
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 in the Connection Diagrams section
for more information.
Check with your service provider for information about acquiring cables or adapters, or you can
purchase cables or adapters at your local electronics supplier.
S-Video
Cable
Composite
A/V Cables
HDMI
Adapter
HDMI-to-HDMI
Cable
HDMI-to-DVI
Cable
RF Coaxial
Cable
Coaxial Digital
Audio Cable
RGB Adapter
Cable
(RCA to RCA)
RGB Adapter
Cable
(RCA to BNC)
RGB Adapter
Cable
(RCA to VGA)
IR Extender
Cable
RGB
Adapter
Optical
Digital
Audio
Cable
IEEE
1394
6-Pin
to 4-Pin
Cable
2
What’s on the Front Panel?
™
T13022
CH+
VOL+VOL-
CH-
12
SELECT
3 115 6 7 8 1094
EXPLORER® 4550HDC
POWER
SETTINGS
EXITINFOGUIDE
1 VOL +, VOL - Increases and decreases the volume
2 CH+, CH - Scrolls up and down through the channels
3 Select Provides access to your on-screen selection
4 LED Display Displays the selected channel number and time of day. The LED also
displays the following:
• Message (
)
• HDTV
• Power (
)
• Output Resolution (1080i, 720p, 480p, or 480i)
• AUTO - Automatically outputs native scan rates that your TV can accept
5 Guide Accesses on-screen services, such as the on-screen guide, video-on-
demand, or pay-per-view
6 Info Displays a description of the selected program. This button is available
from the on-screen guide and while viewing a program
7 Exit Exits menus, the on-screen guide, and program information
8 Settings Accesses the Settings menu
9 IR Sensor Receives the infrared signal from the remote control
10 Power Turns the set-top on and off
11 USB Port Connects to external equipment, such as a keyboard or mouse
(reserved for future use)
Note: This illustration may vary from the actual product.
3
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