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SOLVING PROBLEMS

If the installed system does not seem to be working properly, 

first make sure that all the cables are securely connected

, then carry out the following checks, in the order shown.

Check

Suggested solution

Further checks, if there is still a problem

Is anything lighted on 
your set-top’s front 
panel?
 

YES

 

D

NO

R

Power may not be reaching your set-top. Make 
sure that the power cord is properly plugged in.

power cord is properly plugged in.

 is properly plugged in. 

If there is a switch by the wall AC power outlet, 
switch it to ON.
Make sure your set-top is fully on by pressing 
the 

power

 button on your remote control.

Check that the wall AC power outlet is working (for example by plugging in a lamp).

Does the remote control 
operate your set-top?

 
YES

 

D

NO

R

Check that nothing is blocking the path from 
your remote control to the front panel.

Check that your remote control is currently set to operate your set-top (consult the 
instructions supplied with your remote control).
If your remote control will still not operate your set-top, replace the batteries in your 
remote control.

Can you see a picture on 
your TV screen?

 

 
 

YES

 

D

NO

R

Your TV and other equipment may not be turned 
on. Check that they are plugged into AC power 
outlets and turned on.

If your stereo TV is connected by baseband AV cables, check that you have selected the 
appropriate baseband input on your TV.
If your TV and VCR are connected by RF coaxial cables, they must be tuned to your set-
top’s output channel. This is channel 3 or channel 4 (contact your cable operator to find 
out which it is). Tune your TV and VCR to this channel.
If the video path between your set-top and your TV loops through other equipment (such 
as a VCR) you may need to turn off this equipment for the loopthrough to work.

Is the picture distorted 
or too small?

NO

 

D

YES

R

Your TV and/or VCR may not be tuned to your 
set-top’s output channel.

Make sure that the TV/VCR switch on your VCR is switched to “TV”.

Is there any sound?

NO

R

Check that the audio cables are securely and 
correctly connected.

Check that you have not muted the sound on your set-top, TV and/or any attached audio 
equipment.  Adjust the volume control on your set-top and/or TV. 
If you can hear only mono sound, first check that the program is likely to have stereo 
sound (an old movie, for example, may not be in stereo).
If the TV is mono, you will only hear stereo sound if you have a stereo audio amplifier and 
speakers or home theater connected to the stereo VCR or set-top. This is also the case if 
the stereo TV has only an RF input.

4. CONNECTING TO THE AC POWER  

SUPPLY

Connecting the power cord to your set-top

Before you connect your set-top to a wall outlet, connect the polarized 
plug on the power cord into the socket labeled “POWER INPUT” on 
your set-top’s rear panel.

Connecting equipment to the wall AC outlets

Connect the polarized plugs on the power cords from your set-top, 
VCR and any other equipment into wall AC outlets. If these outlets have 
switches, switch them to ON.

Disconnecting

Disconnect your set-top from the power supply before you disconnect 
any other equipment from its rear panel.

The only way to disconnect your set-top from the power supply is to 
remove the power cord from the wall socket-outlet. Your set-top must 
therefore be installed near to the wall socket-outlet, which should be 
easily accessible.

5. TURNING YOUR SET-TOP ON AND OFF

After you have connected your set-top to the wall AC outlet (and 
switched this outlet ON, if it has a switch), wait for a few seconds until 
the POWER light illuminates.

If it does not, press the 

power 

button on your remote control. The 

POWER light is illuminated green to show that your set-top is fully on.

If the POWER

 

light will not illuminate, there is a problem (see Solving 

Problems, below).

ANTENNA IN

TV / RF 

OUT

ANTENNA/

RF IN

VCR

TV

R

AUDIO IN

VIDEO IN

L

CABLE 
INPUT

DC100X
SET-TOP

WALL AC OUTLET

INFRA-RED 

REMOTE “EYE”

2. CONNECTING TO A TV AND OPTIONAL VCR

Before starting, choose a suitable position for your set-top, observing the ventilation requirements set out in the safety information on the other side of this sheet. 
Refer to the rear-panel connection diagram below, which shows a typical connection set-up for a TV and VCR.
1.  Connect the cable service to the connector marked 

CABLE IN

 on your set-top.

2.  Connect your set-top to your TV via a video baseband cable, as shown.
3.  Connect audio baseband cables to your TV, as shown. 
4.  Connect RF cables to your set-top, VCR and TV as shown. These connections are optional.
  A further optional connection to an infra-red remote “eye” is shown with a dashed line.
5.  After you have made the connections between your set-top and your TV and VCR, connect all the equipment to the AC power supply following the instructions 

on this page.

POWER 
INPUT
Make this 
connection 
last of all

VIDEO OUT
Video baseband out

AUDIO OUT
Audio baseband 
outputs
(stereo, L and R)

TO TV
RF output

CABLE IN
From cable 
service provider

IR IN
Infra-red input from a remote “eye”

1. YOUR SET-TOP’S FRONT PANEL

 ACTIVE 
Flashes green when your set-top receives an 
infra-red signal from the remote control

POWER 
Lights green only 
when your set-top 
is fully on (i.e. not 
in standby)

WARNINGS

Do not connect your set-top (or 
any other equipment such as a TV 
or VCR) to the AC power supply 
until you have properly connected 
all the other cables.

Disconnect your set-top from 
the AC power supply before you 
disconnect any other equipment 
from its rear panel.

Do not defeat the safety purpose 
of the polarized plugs on power 
cords.  A polarized plug has two 
blades with one wider than the 
other.  This plug fits into the 
outlet in only one way; match 
the wide blade of the plug to the 
wide slot of the outlet.

The cable input is designed for 
connection to a cable network 
only. You must not connect any 
other equipment, such as a VCR, 
to this input.

3. REAR-PANEL CONNECTIONS

NOTE

It is important that, unless there is a lightning storm or you will be away 
from your home for a long time, you do not unplug your set-top at the 
wall AC outlet (or do not switch it off there, if the outlet has a switch). 
Your set-top cannot be updated with new features, through the cable, if it 
is disconnected from the AC power supply.

To turn your set-top on or off at any time, press the 

power

 button on 

your remote control (first making sure your remote control is set to 
control your set-top).

Never turn off your set-top by simply disconnecting it from the power 
supply. If you need to disconnect your set-top, turn off the set-top 
by pressing the 

power

 button on your remote control, so that the 

POWER light on the front panel is off.

6. USING YOUR REMOTE CONTROL

Your cable TV service-provider determines the digital channels, services 
and screen information that you see on your TV when you use your 
set-top and its remote control.

The ACTIVE light flashes green when your set-top receives an infra-
red signal from the remote control.

Consult the information supplied by your cable service-provider for 
details on how to make the most of the digital cable services. Also read 
the operating instructions that are supplied with your remote control.

SEPARABLE 
SECURITY 
MODULE
(behind cover) 
Removal will 
interrupt your 
service

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