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Activity Forums AJA Video Systems split screen on monitor

  • split screen on monitor

    Posted by Dennis Allen on November 18, 2005 at 4:03 pm

    I am monitoring from an Io through a 2800 deck and the screen is split, like a vertical hold problem. When I play a tape back though, monitoring only the 2800, the image is fine. It’s when I put the Io back online the problem persists.

    Lee Berger replied 20 years, 6 months ago 4 Members · 4 Replies
  • 4 Replies
  • Lee Berger

    November 18, 2005 at 6:14 pm

    Try applying an external reference (black burst generator) to the 2800 and the Io.

  • David J. stewart

    November 18, 2005 at 8:47 pm

    Were in the Arctic and dont have BBGen device. Can i use another 2800 deck to generate or can I from FCP 4.5 into the IO?

  • Bob Zelin

    November 18, 2005 at 9:22 pm

    Lee is correct – your split screen is the vertical sync bar, which is a bar that splits the screen on top, and on bottom, with the image not in the right place.
    Use an inexpensive NTSC black generator (and if you don’t have one handy, use a Camera composite video output for now) – feed the video signal into the VTR REF Vid In, and loop that into the AJA I/O Reference In, and terminate the I/O Ref input. Go into the AJA I/O Control Panel under control and select external reference in, not Free Run. The split screen will go away.

  • Lee Berger

    November 18, 2005 at 10:42 pm

    On my system I use the composite out from the IO as the source of sync. That way you sync the desk to the Io which serves as your reference. Others in this forum don’t think it’s the best way to go, but AJA has said it’s fine and I’ve had no probelms with it.

    I connect a cable from the Io’s composite out into the deck’s reference in. If you aren’t using the composite out for anything else simply terminate at the deck. If you need it elsewhere leave the deck’s termination off and terminate at the next device. Be sure the Io control panel is set to free run.

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