ARRIS DCX3510M User Guide User Manual

Page 40

Troubleshooting

DCX with OCAP Software DCX3510-M • User Guide

365-095-17068-x.1

Problem

Possible Solution

There are black bars

above and below the

picture

All 4:3 HDTVs display HD programs in letterbox format (black bars above and
below the picture) because of the shape of the display screen.
Some SD programs are broadcast in the letterbox format with black bars above

and below the picture. Some widescreen TVs offer a zoom feature that may be
able to remove the black bars. (See your TV manual for information about

zooming 4:3 video.)

There are black bars on
all four sides of the

picture

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
DCX set-top cannot correct the video. You may be able to minimize the border

using the zoom feature on the TV.

Colors do not appear

correctly

Be sure to match up each signal to the same YPbPr connection on the TV,

otherwise the colors will not appear correctly on your TV.