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SECTION 10.3 LOOK AHEAD PREVIEW
FIGURE 178
Again, by default, the Live Desktop also prominently displays the Look Ahead Preview
monitor (labeled simply Preview).
The Look Ahead Preview is versatile and powerful. Instead of showing just one video
source (the Preview row selection), it displays the composite result of a Take
operation applied to all currently delegated video layers (see the sub-heading
Transition Delegates in Section 9.3.2).
Selecting the BKGD delegate tells TriCaster you intend the next transition to
swap the Program and Preview layers. The Preview monitor will show the
Preview row selection as its background.
When the BKGD delegate is not active, the BKGD layer will 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 will get’ – after performing the next Take or
Auto operation as currently configured. This lets you set up the next shot, check its
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