Barco ScreenPRO-II User Manual page 130

6. Operations
Operational Configuration
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ScreenPRO-II uses a "lookahead" preview system that ensures the accuracy of all your
transitions. The "look" or appearance that you create on your Preview monitor represents
the exact appearance of your Program screen — after you cut, mix or wipe the images to
program.
Program
Background A
PIP A
Preview
Background A
PIP A
PIP B
Figure 6-2. Program-to-Preview Transition with Lookahead
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With these facts in mind, ensure that you always create the desired "next" look in Preview.
In this manner, there won't be any operational surprises:
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Example : The illustration below represents a simple Preview-to-Program
transition. SPLIT LAYER mode is on, enabling you to have two PIPs on
screen simultaneously:
1
WIPE CUT
2
In frame 1 , Program consists of a background and a single PIP.
In frame 2 , a second PIP is selected and positioned on Preview.
After the selected transition ( WIPE , CUT or MIX ), the PIP transitions onto
Program. Frame 3 represents the Program screen — identical to the Preview
"look" in frame 2 .
Frame 4 represents Preview after the transition. Preview will continue to match
program until you modify the preview image, in preparation for the next transition.
By using lookahead, you'll always know visually what PIPs and keys you want to
transition TO Program.
Conversely, you'll always know what PIPs and keys to you wish to clear — to
visually remove elements FROM Program.
Program
Background A
PIP A
3
MIX
4
Background A
PIP A
ScreenPRO-II • User's Guide
PIP B
Preview
PIP B