User manual

Troubleshooting
VMS1100 Hybrid QAM/IP Video Media Server • Installation and Operation Manual
101
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-095-25654 x.1 This document is uncontrolled pending incorporation in an ARRIS CMS
PROBLEM POSSIBLE SOLUTION
connections.
• Verify that the audio cables are firmly connected between
the VMS1100 and the audio playback device (TV, receiver,
DVD player, etc.).
There is no audio from the center
and/or surround speakers of a
home theater receiver connected
to the VMS
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 VMS1100 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 VMS.
• Verify that the VMS1100 is powered on and tuned to an
authorized cable channel.
• Verify that all video cables between the VMS1100 and
the TV are firmly connected.
• Verify that the coaxial cable feed is firmly connected to the
VMS1100 and the wall jack.
• If the VMS1100
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 VMS1100 video output is connected to a TV through
an HDMI connection, power OFF the TV and then power
OFF the VMS1100 set-top. Wait one second and then
power ON the devices.
There is no video on the TV
screen (continued)
Not all HDTVs can display every output format (1080i, 720p, 480p,
or 480i) available on the VMS1100. To select a different format:
• Ensure that your VMS1100 is plugged into a power outlet
and is turned off.
• Ensure the TV is turned ON and tuned to the appropriate
channel for the set-top
• Press the MENU key on the front panel. Your settings are
displayed on the VMS1100 front panel display.
• Use the ▲ and ▼ keys on the front panel to display the
HDMI/YPbPr OUTPUT setting.
• Press the ► key to cycle through the available output
formats until a picture displays on the TV.
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
VMS. On-screen graphics and captions may still be overlaid by
your TV, if enabled. Alternatively, use HDMI or component video
instead.