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Viz Vectar User Guide

Version 1.0 | Published May 07, 2020 ©

Look Ahead Preview

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Again, by default, the Live Desktop also prominently displays the Look Ahead Preview monitor (labeled Preview).
The Look Ahead Preview is versatile and powerful. Instead of showing just one video source (the Preview row selection), it displays what the outcome of a Take operation applied to all currently delegated video layers would be.

  • Delegating the BKGD layer indicates you intend the next transition to swap the Program and Preview layers. The Preview monitor shows the Preview row selection as its background.

  • When the BKGD is not delegated, that layer does not change during a transition. Consequently, in this case the Preview and Program monitors share identical backgrounds.

  • Delegated DSK layers are shown above the background on Preview according to their current state. That is, if a delegated DSK layer is currently displayed on Program output it does not appear on Preview (since the next transition would remove it).

In other words, what you see is what you get: After performing the next Take or Auto operation as currently configured. This lets you set up the next shot, check its composition (including titles and overlay positioning), and switch to it with sublime confidence.

M/E Preview and Program

As mentioned earlier, monitor viewports can also be assigned to display the output of M/Es. Among other things, this means you can freely assign a monitor as a secondary program output monitor in cases where you are using an M/E to supply an auxiliary program mix for independent display. Viewports can be assigned to specific M/Es, or follow the delegate status (Outputs > Follow > M/E Program).

Complementing this feature, Vizrt live production systems provide Look Ahead Preview monitoring capability for M/Es as well. The Viewport Options menu group Follow lists a special M/E Preview option for this purpose.

Tip: All viewports assigned as M/E Previews show output from the same M/E. Making an M/E delegate selection updates all viewports when Tabs Follow all Delegates is enabled.

Just like the main Look Ahead Preview, the M/E Preview respects Delegate selections made in the Transition section of the assigned M/E, showing you the display that results from the currently configured (M/E) Take/Auto operation.