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
The DCX set-top will not power on The DCX set-top may have received a software update and
The remote control does not work
There is no audio when viewing
DCX700 High-Definition Digital Set-Top Box • User Guide
may not power on while the new software is being installed.
Try again in a few minutes.
Verify that the AC power cord of the external power supply
is connected to the DCX set-top and an AC outlet. Unplug
the DCX set-top from the AC outlet, plug it back in, and
then press the POWER button on the remote control.
If the DCX set-top is connected to a switched outlet on
another unit, verify that that unit is powered on. Unplug the
power cord from the DCX set-top's AC outlet, plug it back
it in, and then press the POWER button on the remote
control. Use an unswitched outlet, if possible.
The batteries in the remote control may be depleted.
Verify that the remote control is in "Cable" mode.
Verify that there are no obstructions between the remote
control and the DCX set-top. Aim the remote control directly
at the DCX set-top front panel, not the TV or VCR.
The angle between the remote control and the DCX set-top
may be too large. Stand in front of the DCX set-top and not
too far to either side.
Press and release operation keys one at a time, firmly and
Check the batteries in the remote control. And replace if
Verify that the mute button on the remote control has not
been pressed. Press mute on the remote control to restore
If the DCX set-top audio output is connected to the TV,
verify that the mute button on the TV has not been
If the DCX 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
Verify that the audio cables are firmly connected between
the DCX set-top and the audio playback device (TV,
receiver, DVD player, etc.).