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IR
VIDEO
OUT
L
R
CABLE
OUT
CABLE
IN
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
120 VAC
60HZ 5A
120 VAC
60HZ 80W
AUDIO
OUT
DIGITAL
AUDIO
OUT
S-VIDEO
OUT
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
YPr
Pb
HDTV
T9875
4 5 987263 11101
BYPASS
IR
VIDEO
OUT
L
R
CABLE
OUT
CABLE
IN
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
120 VAC
60HZ 5A
120 VAC
60HZ 80W
AUDIO
OUT
DIGITAL
AUDIO
OUT
S-VIDEO
OUT
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
YPr
Pb
HDTV
BYPASS
T9876
Cable Input
Back of Typical HDTV
EXPLORER
¤
3100
HD Digital Home Communications Terminal
T9874
987 1210 11 131 32 64 5
1 Message Indicator Indicates a message from your cable service provider is
waiting when blinking or illuminated. To access the message,
press the Info key.
2 LED Display Displays the selected channel number and time of day
3 Bypass Indicator Indicates the optional bypass feature is on when illuminated*
4 VOL+ and VOL- Increases and decreases volume
5 Select Accesses your on-screen selection
6 CH+ and CH- Scrolls up and down through the channels
7 USB Port Connects to external equipment, such as a keyboard, external
(Universal Serial Bus) modem, or similar equipment*
8 Guide Accesses on-screen services, such as the on-screen guide,
video-on-demand, or pay-per-view
9 Info Displays a description of the selected program; available from
the on-screen guide and while viewing a program
10 Exit Exits menus, on-screen guide, and program information
11 Settings Accesses the Settings menu
12 Smart Card Slot Allows smart card access*
13 Power Provides power to the DHCT. The light to the left of the Power
key illuminates when the power is on. To receive nightly
programming updates, keep the power on.
*
Contact your cable service provider for more information
Explorer 3100HD Back Panel
1 HDTV Output Connect to HDTV input of TV (high definition). The component
video cables must be connected here to provide HD signals to
your HDTV
2 Serial Number Located under the second bar code. Your cable service provider
may ask for this number
if your system requires troubleshooting in the
future. You
must know the serial number to join the Explorer Club.
3 IR Port Connect to optional VCR Commander service
4 S-Video Out Connect to S-Video input
of TV or VCR (standard definition)
5 Video Out Connect to video input
of TV or VCR (standard definition)
6 Audio Out Connect to left/right (L/R) audio inputs of a stereo
receiver or a TV with stereo sound
7 Cable Out Connect to cable input of TV or VCR (standard definition)
8 Cable In Connect to cable signal from cable service provider
9 Bypass Connect an optional RF Bypass module
10 AC Switched Connect the AC power cord from another device, such as a TV
Outlet
11 AC Power Connect the DHCT to an AC electrical outlet
Input
Installing the Explorer 3100HD DHCT
Welcome!
Congratulations on adding the Explorer
®
3100HD
Digital Home Communications Terminal (DHCT)
to your high definition television (HDTV)
viewing experience!
The Explorer 3100HD DHCT combines high-
definition video capability with both traditional
and interactive broadband communications
technologies for your enhanced viewing pleasure.
The Explorer 3100HD DHCT is capable of
accessing interactive services, such as video-on-
demand, pay-per-view, Internet browsing, and
email. Contact your cable service provider for
information and the availability of these services.
Use the instructions in this guide to install the
DHCT, to become familiar with the keys on the
front panel of the DHCT, and to access your
cable services. Then, begin enjoying the features
of the Explorer 3100HD DHCT.
Explorer Club
To obtain additional information about the
Explorer 3100HD DHCT, Scientific-Atlanta
invites you to join the Explorer Club. This online
club provides news and “what’s up” information
about the DHCT and offers you a chance to win
prizes and other premium items.
To join the Explorer Club, you must know the
serial number of your DHCT. The number is
located on a bar code label on the back panel of
your DHCT, and looks similar to this example:
Explorer 3100HD Front Panel
1. Unplug all electronic devices before connect-
ing the DHCT.
2. Connect the DHCT to your HDTV as shown
in the diagram.
3. Connect the DHCT to the coaxial cable
coming from the wall.
4. Plug the DHCT and the TV into an AC power
source.
Important: Do not press the Power key on
the DHCT yet.
5. Turn on the power to your TV, and set the
input channel assigned by your cable service
provider (channel 3 or 4).
6. Wait for the time to display on the LED
display.
Important: It takes 2 to 3 minutes for the
DHCT to be updated with the latest program-
ming and service information. When the front
panel displays the time, the update is
complete.
7. Press the Power key on the DHCT.
Access Cable Services and Programs
You can access your cable services using the
remote control or the keys on the front panel of
the DHCT. (Refer to your remote control user’s
guide for programming instructions.)
• Press the Guide key to access 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.
• Use the arrow keys to highlight a program in
the schedule.
• Press the Info key for a description of a
specific program (either from the on-screen
guide or while viewing a program).
• Press the Select key to view a specific
program in the guide.
For more information, read the user’s guides
that your cable service provider included with
the DHCT installation package. These guides
provide operating instructions for the on-screen
guide, your remote control, and the VCR
Commander™ service (if available).
Check and Correct
If your DHCT does not perform as expected,
check the following conditions:
• Verify that the power to your TV is turned
on.
• If plugged into a wall switch, verify the
switch is in the ON position.
• Verify that all cables are properly connected.
• Verify that your TV is tuned to the proper
output channel (3 or 4).
If your DHCT does not perform as expected
after checking the power, the cables, and the
output channel, check the following conditions:
No picture
• If your system includes a VCR and/or stereo,
verify that you have properly connected
them to the DHCT.
• Verify that the DHCT power light is on and
the Bypass light is off.
No color
• Verify that the current TV program is
broadcast in color.
• Adjust the TV color controls.
No sound
• If your setup includes a VCR and/or stereo,
verify that you have properly connected
them to the DHCT.
• Verify that the volume is turned up.
• Verify that the Bypass feature is disabled.
The LED on the front panel displays
question marks instead of the channel
number.
Press the INFO key on the remote control or
the front panel of the DHCT. You may have
pressed the Power key before all of the latest
programming updates were received by the
DHCT.
The TV screen displays a message indicat-
ing that the DHCT is automatically updat-
ing its software.
Wait for the time to display on the LED before
continuing with your installation process. When
the front panel displays the time, the update is
complete.
Note: If you need further assistance, contact
your cable service provider.
Accessing Programs
The serial number is beneath the second bar code.
Write the serial number here: _______________ .
To access the Explorer Club Web site type:
www.scientificatlanta.com/explorerclub
Connect the DHCT to Your HDTV
Use the connection diagram and follow these
steps to connect the Explorer 3100HD DHCT to
your HDTV.
Input Labels
If the HDTV inputs on your HDTV are labeled
R, G, and B, you may need a connection
converter. Contact your cable service provider.
Audio Output
Audio output from the CABLE OUT is
monaural (non-stereo).
Audio output from the AUDIO OUT LEFT and
RIGHT is stereo.
If you connect to S-VIDEO OUT, you must
connect the LEFT and RIGHT AUDIO OUT on
the DHCT to the LEFT and RIGHT AUDIO IN
connectors on your TV, VCR, or stereo.
Additional Connections
If you are connecting additional devices to the
Explorer 3100HD and your HDTV, access our
Web site for connection information:
www.scientificatlanta.com
Required Cables
1
1
Set of Component
Video Cables
Stereo/Audio Cable
Electric shock hazard! Unplug all
electronic devices before connecting
or disconnecting any device cables.
WARNING:
Before Installing the DHCT
Before you begin to install the DHCT:
• Read the IMPORTANT RULES FOR SAFE
OPERATION section of this guide.
• Locate the DHCT serial number, which is on a
bar code on the back panel of the DHCT. You
will need this serial number to join the
Explorer Club. Also, if your system requires
troubleshooting in the future, your cable
service provider may ask for the serial number.
• If the HDTV inputs on your HDTV are
labeled R, G, and B, you may need a connec-
tion converter. Contact your cable service
provider.
• If you plug the DHCT into an outlet that is
controlled by a wall switch, keep the switch in
the ON position. The on-screen guide is
updated nightly. If the wall switch is in the
OFF position, your DHCT will not receive the
latest programming updates.
• Keep the top of the DHCT free of all objects
and electronic devices, including your TV.
• It is recommended that you use a surge
protector with your cable equipment and
electronic devices.