Motorola DCT6400 Series User Manual page 41

Problem Possible Solution
There is no video Verify that the TV is powered on and set to the
on the TV screen appropriate input source for the DCT*.
Verify that the DCT* is powered on and tuned to an
authorized cable channel.
Verify that the coaxial cable feed is firmly connected to
the DCT* and the wall jack.
The DCT* DVI output may not yet be enabled. Use the
component video (Y Pb Pr) output instead.
If the DCT* 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.
Not all HDTVs can display every output format (1080i,
720p, 480p, or 480i) available on the DCT*. Enter the
User Settings menu and cycle through the available
output formats until a picture displays on the TV.
Verify that all video cables between the DCT* and the TV
are firmly connected.
There are no The DCT* cannot generate graphics on all video outputs
graphics, closed at all times. If the DCT* is set to 1080i, 720p, or 480p
captions, or output format, graphics are only available on the HD
program guides video outputs (DVI and component video). If the DCT* is
appearing on the set to 480i, graphics are available on all video outputs.
TV screen
If the DCT* is connected to a standard definition TV,
verify that the DCT* is configured to use the 480i output
mode.
Verify that closed captions on the DCT* have been
enabled in the User Settings menu.
If you are using an IEEE 1394 connection, on-screen
graphics, including closed captions and program guides,
will not be displayed.
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