Welcome!
Congratulations on adding the Explorer® 1850 Digital Home Communications Terminal (DHCT) to your television viewing experience!
The Explorer 1850 DHCT can receive and display analog and digital signals, as well as provide exceptional picture quality.
Through the Explorer 1850 DHCT, you can access interactive services, such as
Use the instructions in this guide to install the Explorer 1850 DHCT, to become familiar with the keys on the front panel, and to access your cable services. Then, begin enjoying the Explorer 1850 DHCT.
Explorer eClub
To obtain additional information about the Explorer 1850 DHCT,
To join the Explorer eClub, you must know the serial number of your Explorer 1850 DHCT. The number is located on the back panel of your Explorer 1850 DHCT and looks similar to this example:
0003B4287797
SABDQXTL N0006246618
The serial number is located in the lower left corner of the bar code. Write the serial number here: _______________ .
Explorer 1850 DHCT Front Panel
GUIDE | CH+ |
INFO |
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EXIT VOLÐ | VOL+ |
SETTINGS 
CHÐ POWER
BYPASS
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1 | Message Indicator | Indicates a message from your cable service provider is waiting when | ||||||
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2 | LED Display | Displays the selected channel number and time of day | ||||||
3 | Guide | Accesses | ||||||
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4 | Info | Displays a description of the selected | ||||||
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5 | Bypass Indicator | Indicates the optional bypass feature is on when illuminated* | ||||||
6 | Exit | Exits menus, | ||||||
7 | Settings | Accesses the Settings menu |
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8 | Smart card slot | Allows smart card access*. If you remove the smart card from this slot, | ||||||
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9 | (Select) | Accesses your |
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10 | CH+ and CH- | Scrolls up and down through the channels |
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11VOL+ and VOL- Increases and decreases volume
12 Power | Provides power to the DHCT. The light above 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.
Installing the Explorer 1850 DHCT
Explorer 1850 DHCT Back Panel
0003B4287797
SABDQXTL N0006246618
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1 | Serial Number | Located in the lower left corner of the bar code. Your cable service | ||||||||
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| provider may ask for this number if your system requires troubleshooting | ||||||||
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| in the future. You must know the serial number to join the Explorer eClub | ||||||||
2 | IR | Connect to optional VCR CommanderTM service |
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3 | Video Out | Connect to video input of TV or VCR (standard definition) | ||||||||
4 | Audio Out | Connect to left/right (L/R) audio inputs of a stereo receiver or a TV with | ||||||||
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5 | Cable Out | Connect to cable input of TV or VCR (standard definition) | ||||||||
6 | Cable In | Connect to coaxial cable coming from the wall |
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7 | Bypass | Connect the optional RF Bypass module* |
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8 | AC Switched | Connect the AC power cord from another device, such as a TV | ||||||||
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9 | AC Power Input | Connect the DHCT to an AC electrical outlet using the cord provided | ||||||||
Accessing Programs
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
•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
•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
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.
•Verify that the SmartCard is inserted in the front slot of the DHCT (if required by your cable service provider.
•If plugged into a wall switch, verify the switch is in the ON position.
•Verify that all cables are properly connected.
•Verify that the 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
To access the Explorer eClub Web site type: www.scientificatlanta.com/explorerclub
Connect the Explorer 1850 DHCT to a Stereo TV and Non-Stereo VCR
• If your system includes a VCR and/or stereo, |
verify that you have properly connected them |
to the DHCT. |
Before Installing the Explorer 1850 DHCT
Before you begin to install the Explorer 1850 DHCT:
•Read the IMPORTANT RULES FOR SAFE OPERATION section of this guide.
•Locate the Explorer 1850 DHCT serial number, which is on a bar code on the back panel of the Explorer 1850 DHCT. You will need this serial number to join the Explorer Club. Also, if your system requires trouble- shooting in the future, your cable service provider may ask for the serial number.
•If you plug the Explorer 1850 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 Explorer 1850 DHCT will not receive the latest programming updates.
•Keep the top of the Explorer 1850 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.
Use the connection diagram and follow these steps to connect the Explorer 1850 DHCT to a stereo TV and a
WARNING:
Electric shock hazard! Unplug all electronic devices before connecting or disconnecting any device cables.
1.Unplug all electronic devices before connecting the DHCT.
2.Connect the DHCT to the TV and VCR as shown in the diagram.
3.Connect the DHCT to the coaxial cable coming from the wall.
4.Insert the smart card into the slot provided on the front panel of the DHCT.
5.Plug the DHCT and the TV into an AC power source.
Important: Do not press the Power key on the DHCT yet.
6.Turn on the power to your TV, and set the input channel assigned by your cable service provider (channel 3 or 4).
7.Wait for the time to appear on the LED display of the DHCT.
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.
8.Press the Power key on the DHCT.
Audio Output
Audio output from the CABLE OUT is monaural
Audio output from the AUDIO OUT LEFT and RIGHT is stereo.
Other Types of Connections
If you are connecting the DHCT to a different type of TV or VCR, or to additional devices, contact your cable system operator, or access the Explorer eClub Web site: www.scientificatlanta.com/explorerclub
Back | Back | Cable Input |
of TV | of VCR |
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LEFT |
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OUT IN |
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| ANTENNA IN FROM ANT. | OUT TO TV |
AUDIO | VIDEO |
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OUT IN | OUT IN |
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RIGHT |
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Required Cables
1 Set of Video/Audio Cables
2 (75 ohm) Coaxial Cables
• 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.
You may have pressed the Power key before all of the latest programming updates were received by
the DHCT. Press the INFO key on the remote control or the front panel of the DHCT to correct this situation.
The TV screen displays a message indicating that the DHCT is automatically updating its software.
Wait for the time to display on the LED before continuing with the installation process. When the front panel displays the time, the update is complete.
Note: If you need further assistance, contact your cable service provider.