Video
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      1. LEIGHTRONIX Knowledge Base
      2. UltraNEXUS-HD
      3. Video

      Video Output Distorted

      If the UltraNEXUS-HD's video output is distorted or has other visual issues, here are some things to check.

      Check the Video File

      Play the video file in the WinLGX software preview monitor to see if the distortion or issue is present in the video file itself.

      1. In WinLGX, open the Storage Manager window (Tools/Storage Manager).
      2. Find the video file and right-click it to open the menu on the right side.
      3. Select View and the preview monitor should open and begin playing the file.

      Check how you are monitoring the video output.

      There are three ways to view the video output of the UltraNEXUS-HD – using the cable return, from a directly connected monitor, or doing a loop recording.

      Cable Return

      Suppose you watch the video after it goes out to your cable channel and comes back from the cable channel. In that case, that is too long of a signal path to diagnose the UltraNEXUS-HD because it’s going through all the cables and other devices downstream from the UltraNEXUS-HD, and one or more of those cables or devices could be the culprit introducing the distortion or issue.

      Direct Monitor

      SDI Output

      • If using the SDI output of the UltraNEXUS-HD, you’ll need to connect the output directly to an SDI monitor.
      • Or you can use an SDI to HDMI converter and connect that to an HDMI monitor to see if the distortion is present directly out of the UltraNEXUS-HD’s SDI output.
      • Or you can use an SDI to ANALOG converter and connect that to an analog monitor to see if the video shows there.

      CVBS Output

      • If using the CVBS analog output of the UltraNEXUS-HD, you should be able to connect that directly to an analog monitor to check the video output.

      Suppose the distortion or issues are not present when watching a monitor connected directly to the UltraNEXUS-HD. In that case, the UltraNEXUS-HD unit is working correctly, and the problem is with the cables or devices downstream from the UltraNEXUS-HD.

      Loop Record

      Suppose you don’t have a way to connect a monitor directly. In that case, you could play the video file in the UltraNEXUS-HD and have the UltraNEXUS-HD record itself, then look at that recording in the WinLGX software preview monitor and see if the distortion or issue is present there.

      Here’s how to do that:

      1. Use a single HD-SDI video cable and connect one end to the SDI output of the UltraNEXUS-HD and the other end to the SDI input of the UltraNEXUS-HD.
      2. Then play the file in the WinLGX control panel and start a recording in the control panel—record for 30 seconds to a minute.
      3. After stopping the recording, play the file in the WinLGX software preview player and see if the distortion or issue is present in the recording.

      If the distortion or issue is not present in the loop recording, then the UltraNEXUS-HD unit is working correctly, and the problem is with the cables or devices downstream from the UltraNEXUS-HD.

      Check the Events Log

      Check the UltraNEXUS-HD events log to see what it says about the playback of the file during the time of the distortion or issue.

      If there are no errors or any above entries and the log shows it playing entirely without errors, the issue may be outside and downstream from the UltraNEXUS-HD.