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Troubleshooting
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DCX3300 High-Definition Dual Tuner / External DVR Set-top • User Guide 39
365-095-14427 x.2
8
Troubleshooting
Before calling your service provider, review this troubleshooting guide. This information
is to help you quickly solve a problem. If your problem still exists, contact your service
provider.
Description Possible Solution
The set-top will not
power on
The set-top may have received a software update and may not power on
while the new software is being installed. Try again in a few minutes.
Verify that the AC power cord is connected to the set-top and an
AC outlet. Unplug the set-top from the AC outlet, plug it back in,
and then press the POWER button.
If the set-top is connected to a switched outlet on another unit,
verify that that unit is powered on. Unplug the power cord from
the set-top’s AC outlet, plug it back it in, and then press the
POWER button. It is recommended to use an unswitched outlet,
if possible.
Press the POWER button on the set-top front panel instead of the
remote control. The batteries in the remote control may be
depleted.
The remote control
does not work
Verify that the remote control is in “Cable” mode.
Verify that there are no obstructions between the remote control
and the set-top. Aim the remote control directly at the set-top
front panel, not the TV or VCR.
The angle between the remote control and the set-top may be
too large. Stand in front of the set-top and not too far to either
side.
Press and release operation keys one at a time, firmly and
deliberately.
Try changing channels using the buttons on the set-top front
panel.
Check the batteries in the remote control. Install new batteries if
needed.
There is no audio
when viewing cable
channels
Verify that the mute button on the remote control has not been
pressed. Press mute on the remote control to restore sound.
If the set-top audio output is connected to the TV, verify that the
mute button on the TV has not been pressed.
If the set-top audio output is connected to a home theater
receiver, verify that the receiver is set to the appropriate input
source and the mute button on the receiver has not been
pressed.
Verify that you have the correct cables for the audio connections.
Verify that the audio cables are firmly connected between the set-
top and the audio playback device (TV, receiver, DVD player, etc.).
48


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