Cisco DNCS System Release 2.7 3.7 4.2 Design Guide
Troubleshoot with a Blended Image
78-4001708-01 Rev B
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Troubleshoot with a Blended Image
To help you troubleshoot the DHCT, you can view a blended image. A blended
image displays the current channel program in combination with the diagnostic
screen. You can display a blended image to diagnose macroblocking issues, to check
the signal levels, and to capture a live problem on videotape. You can view a
blended image of the diagnostic screen using the dark and light blending levels. This
section provides an example of a blended image.
Note: The instructions for displaying a blended image are presented in
Note: The instructions for displaying a blended image are presented in
Accessing
Diagnostic Screens Using Explorer Front Panel Buttons (on page 4).
Blended Image Screen
The following example of a blended image (with light blended level selected) shows
the current channel program in the background and the diagnostic screen in the
foreground.
Note: You can only blend an analog or a digital channel. When you are tuned to a
Note: You can only blend an analog or a digital channel. When you are tuned to a
PPV channel with no event playing or tuned to a Music Channel, you cannot display
a blended image.