ARRIS DCX700 Quick Start Guide - Manual (Page 11)

DCX700 Quick Start Guide 10
Troubleshooting
Problem — If this occurs: Solution — Then do one of the following:
There is no audio
from the center and/or
surround speakers of a
home theater receiver
connected to the set-top
Not all Dolby Digital programs feature full 5.1 surround sound. In some cases, the programs may only contain •
left and right stereo audio.
Verify that the S/PDIF cable (coaxial or optical) is firmly connected to the set-top and the home theater •
receiver.
Verify that the home theater receiver is set to a surround sound audio mode (Dolby Digital, Dolby Pro Logic II, •
Dolby Pro Logic).
Verify that the receiver is properly configured to work with all connected speakers. •
There is no video on the TV
screen
Verify that the TV is powered on and set to the appropriate input source for the set-top. •
Verify that the set-top is powered on and tuned to an authorized cable channel. •
Verify that all video cables between the set-top and the TV are firmly connected. •
Verify that the coaxial cable feed is firmly connected to the set-top and the wall jack. •
If the set-top video output is connected to a home theater unit, verify that the home theater unit is powered •
on and set to the appropriate input source.
If the set-top video output is connected to a TV through an HDMI connection, power off the TV and then •
power off the set-top. Wait one second and then power on the devices.
Not all HDTVs can display every output format (1080i, 1080p, 720p, 480p, or 480i) available on the set-top. To •
select a different format:
Ensure that your set-top is plugged into a power outlet and is turned on. 1.
Ensure the TV is turned on and tuned to the appropriate channel for the set-top. 2.
Press the 3. Power and then Menu key (within 2 seconds) on the remote. The User Settings menu will
appear on the TV.
Use the and keys on the remote to display the HDMI/YPbPr OUTPUT setting. 4.
Press the key to cycle through the available output formats until a picture displays on the TV. 5.
No graphics or program
guides appear on the TV
screen
If you use the IEEE-1394 connection, on-screen graphics, including closed captions and program guides, are
not displayed by the set-top. On-screen graphics and captions may still be overlaid by your TV, if enabled.
Alternatively, use HDMI or component video instead.