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Osprey 240e/450e User Guide
ViewCast 85
Appendix C: Troubleshooting
Color bars on video screen
The Osprey 240e/450e AVStream driver has a built-in color bar generator. If color bars appear in
your video preview window, it is an indication that video is not present on the selected video input
(Figure 71).
The color bar display can be adjusted or changed in the Device Properties tab, including the text
overlay on the screen.
Figure 71. No-Video Test Pattern
To solve this problem, check the following:
Check that the camera, VCR, or other video source is powered and that its output is
connected to the Osprey card’s input.
Check that the correct video input is selected in the Control Dialog’s Source page.
Scrambled video image
You may have set the wrong video signal format for the signal input you are using. For example, you
may have told the driver to look for NTSC-M video but are using a PAL-BDGHI video source. Make
sure you know what signal format your video source is generating. Go into the Video Standard field
of the Control Dialog’s Source page, and click the button for that signal format.