Connecting the Explorer 1840
Digital Interactive Set-Top
User Guide
1
Notice for CATV Installers
CATV Installers Notice
If you are a CATV installer, read the information in the box below.
Note to CATV System Installer
(USA/Canada Only)
This reminder is provided to call the CATV
system installer's attention to Article 820-40
of the NEC (Section 54, Part I of the Canadian
Electrical Code), that provides guidelines for
proper grounding and, in particular,
specifies that the CATV cable ground shall
be connected to the grounding system of
the building, as close to the point of cable
entry as practical.
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.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS
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.
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.
WARNING
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Contents
Important Safety Instructions ........................................................... 4
Welcome .......................................................................................... 6
Safety First ................................................................................. 6
Identify Your Set-Top ....................................................................... 6
What’s On the Front Panel? ....................................................... 7
What’s On the Back Panel? ........................................................ 8
Step-By-Step Connection Instructions .......................................... 9
Cabling Combinations for an SDTV and VCR ................................ 10
Watch TV ......................................................................................... 11
Performance Tips ............................................................................ 11
Frequently Asked Questions............................................................ 11
Connecting the 1840 to an SDTV and Standard VCR ................... 12
Connecting the 1840 to a Stereo TV and Stereo VCR .................... 13
Compliance Information .................................................................. 14
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IMPORTANT SAFETY INSTRUCTIONS
Heed Warnings
Adhere to all warnings on the product and in the operating
instructions.
Read, Retain, and Follow
These Instructions
Read all of the instructions before you operate this product.
Follow all operating instructions that accompany this product.
Retain the instructions for future use. Give particular attention to
all safety precautions.
Comply With Warnings
Avoid electric shock. Comply with all warnings and cautions in
the operating instructions, as well as those that are affi xed to
this product.
Power Warnings
Providing a Power Source
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 cable service provider or your local
power company.
Grounding This Product (U.S.A. and Canada Only)
WARNING: To avoid electric shock and fi re hazard,
match the plug and outlet connections carefully, then
fully insert. If the plug and outlet do not match, or you
cannot fully insert the plug, contact an electrician to
update your power outlets.
If this product is equipped with either a three-prong (grounding
pin) safety plug or a two-prong (polarized) safety plug, follow
these safety guidelines to properly ground this product.
• For a 3-prong plug (one prong on this plug is a protective
grounding pin), insert the plug into a grounded mains,
3-prong outlet.
Note: This plug fi ts only one way. If you are unable to insert
this plug fully into the outlet, contact your electrician to
replace your obsolete outlet.
• For a 2-prong plug (a polarized plug with one wide blade and
one narrow blade), insert the plug into a polarized mains,
2-prong outlet in which one socket is wider than the other.
Note: If you are unable to insert this plug fully into the outlet,
try reversing the plug. If the plug still fails to fi t, contact an
electrician to replace your obsolete outlet.
Overloading
Do not overload electrical outlets, extension cords, or integral
convenience receptacles as this can result in a risk of fi re
or electric shock. For products that require battery power or
other sources to operate, refer to the operating instructions for
that product.
Preventing Power Cord Damage
Arrange all power cords so that people or pets cannot walk
on the cords. Do not place objects on the cords. Do not lean
objects against the cords. Placing objects on or leaning
objects against cords can damage the cords. Give particular
attention to cords at the point at which the cord connects to
plugs, at the electrical outlets, and where the cords exit the
product.
Usage Warnings
Providing Ventilation
This product has openings for ventilation that protect it from
overheating. To ensure the reliability of this product, do the
following:
• Do not block or cover these openings.
• Do not place entertainment devices (such as VCRs or
DVDs), lamps, books, vases with liquids, or other objects on
top of this product.
• Do not place this product in any of the following locations:
- On a bed, sofa, rug, or similar surface
- Near heat sources such as radiators, heat registers,
stoves, or other products (including amplifi ers) that
produce heat
- In an enclosure, such as a bookcase or rack, unless the
installation provides proper ventilation
Selecting a Proper Location
WARNING: Avoid personal injury and damage
to this product! An unstable surface may cause this
product to fall.
Place this product in a location that is close enough to an
electrical outlet and where the power cord is easily accessible
to be disconnected from the wall outlet or from the rear panel
of the product.
Important: The power cord is the mains power supply
disconnect device.
Place this product on a stable surface. The surface must
support the size and weight of this product.
Cleaning This Product
WARNING: Avoid electric shock! Unplug this
product before cleaning.
WARNING: Avoid electric shock and fi re hazard!
Do not overload mains AC outlets and extension
cords. For products that require battery power or other
power sources to operate them, refer to the operating
instructions for those products.
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Before cleaning this product, unplug it from the electrical
outlet. Use a damp cloth to clean this product. Do not use a
liquid cleaner or an aerosol cleaner. Do not use a magnetic/
static cleaning device (dust remover) to clean this product.
IMPORTANT SAFETY INSTRUCTIONS, continued
Protecting This Product From Foreign Objects and
Water or Moisture Damage
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. Do
not expose this product to rain or moisture. Do not
place objects fi lled with liquid, such as vases, on this
product.
Never push objects of any kind into this product through
openings as they may touch dangerous voltage points or short
out parts that could result in a fi re or electric shock.
Do not expose this product to liquids or moisture. Do not place
this product on a wet surface. Do not spill liquids on or near
this product.
Do not use this product near water (such as a bath tub, wash
bowl, sink, or laundry tub), in a wet basement, or near a
swimming pool.
Accessories Warnings
WARNING: Avoid any potential for electric shock
or fi re. Do not use accessories with this product unless
recommended by your cable service provider.
Checking 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.
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 builtup static charges.
Article 810 of the National Electric Code (NEC) ANSI/NFPA
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)
Avoid any potential for electric shock or fi re.
Do not use accessories with this product unless recommended
by your cable service provider.
Service Warnings
Servicing This Product
WARNING: Avoide electric shock! Opening or
removing the cover may expose you to dangerous
voltages. This product contains no user-serviceable
parts. Refer all servicing to qualifi ed service personnel.
Do not open the cover of this product. If you open the cover,
your warranty will be void. Refer all servicing to qualifi ed
personnel only. Contact your cable service provider for
instructions.
Obtaining Service for Product Damage
For damage that requires service, unplug this product from
the AC outlet. Then, contact your cable service provider or
qualifi ed service personnel to obtain service for the following
conditions:
• If there is damage to the power-supply cord or plug
• If liquid enters this product
• If you expose this product to rain or water
• If you drop this product, a heavy object falls on this product,
or damage occurs to the cover of this product
• If this product does not operate normally by following the
operating instructions
• If this product exhibits a distinct change in performance
Lightning
For added protection for this product during a lightning storm,
or when it is left unattended and unused for long periods of
time, unplug it from the wall outlet and disconnect the antenna
or cable system. This will prevent damage to the product due
to lightning and power-line surges. Plugging this product into a
surge protector in order to reduce the risk of damage.
Note: Unplugging this product for an extended period of time
can result in loss of authorization. For reauthorization, contact
your cable service provider.
Power Lines
WARNING: To avoid electric shock, do not locate an
outside antenna system in the vicinity of overhead power
lines or power circuits.
Do not locate an outside antenna system in the vicinity of
overhead power lines or power circuits. When installing an
outside antenna system, take extreme care to keep from
touching power lines or circuits, as contact might be fatal.
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