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Problem
There is no
video on the
TV screen
No closed
captions
display
There are
black bars
above and
below the
picture
There are
black bars on
all four sides
of the picture
The cable
terminal is
making a
humming
noise.
Possible Solutions
Verify that the TV is powered on and set to the appropriate
input source for the cable terminal.
Verify that the cable terminal is powered on and tuned to an
authorized cable channel.
Verify that all video cables between the cable terminal and
the TV are firmly connected.
Verify that the coaxial cable feed is firmly connected to the
cable terminal and the wall jack.
If the cable terminal is connected to a home theater unit, verify
that the home theater unit is powered on and set to the
appropriate input source.
Press the • key to cycle through the available output
formats until a picture displays on the TV.
Verify on the User Settings menu that closed captions are
enabled on the cable terminal.
Verify that closed captions are enabled on the TV.
Some SD programs are broadcast in the letterbox format with
black bars above and below the picture. Some widescreens
TVs offer a zoom feature that may be able to remove the
black bars. Note: If tuned to HD and the TV Type = 4:3
LETTERBOX, black bars will appear above and below the
picture. Try setting the TV Type to 4:3 PAN/SCAN to get a
full-screen picture with no black bars.
A broadcaster may include black bars on either side of a wide
screen broadcast. This is called a "hybrid" aspect ratio and
results in a black border surrounding the video on a 4:3 TV.
Because this is part of the broadcast, the cable terminal
cannot correct the video. Borders can be eliminated by
selecting the 4:3 PAN/SCAN option on the TV Type setting.
The DCT3080 includes an integrated hard drive and a fan for
cooling. During normal operation, the DCT3080 emits a low
humming noise, similar to a personal computer. The noise
varies in volume occasionally when the speed of the internal
fan adjusts to changes in the temperature around the
DCT3080. Please note the hard drive will stay on even when
the DCT3080 is turned off.
DCT3080 Installation Manual
88
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