Motorola DCH3200 Installation Manual page 71

All-digital high-definition cable receiver
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5 TROUBLESHOOTING
Problem
There are black bars
on all four sides of the
picture
Colors do not appear
correctly
Possible Solution
This may occur on a 4:3 TV if the 4:3 OVERRIDE setting is OFF. To set 4:3 SD
programming to fill the screen, depending on the capabilities of the TV, set
4:3 OVERRIDE to 480i or 480p.
This may occur on a 16:9 TV if the active video for an SD broadcast is in letterbox format.
To confirm, wait for a commercial or look for a graphic, such as a network logo. If the
commercial fills the screen from top to bottom, or the graphic appears below the active
video, the program is being letterboxed by the broadcaster. You can minimize this by
activating the zoom feature on the TV.
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 DCH3200 cannot correct the video. You
may be able to minimize the border using the zoom feature on the TV.
Be sure to match up each signal to the same YPbPr connection on the TV. Otherwise,
colors will not appear correctly on your TV.
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