ScreenPRO-II • User’s Guide 119
6. Operations
Operational Configuration
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With ScreenPRO-II, Raster Boxes are always enabled on Preview, each PIP or Key is
surrounded by a thin border that helps you identify the PIP or Key’s original layer.
• The PIP or Key with a red “corner” style raster box is Layer A.
• The PIP or Key with a red “dashed” raster box is Layer B.
Figure 6-3. Raster Box Styles (sample)
• The "blinking" raster box is always the one enabled for modification, and its
corresponding layer button will also blink.
• Raster boxes that are underneath other layers (such as another PIP, the DSK or
the LOGO) are still visible on Preview.
Figure 6-4. Raster Box Visibility (sample)
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On rare occasion, you can experience LOS (loss of signal) — typically due to a poor video,
graphics or computer connection. In these cases, ScreenPRO-II obeys a precise set of
rules for how to handle the signals:
• Scaler LOS — If there is a LOS for a video signal inside a scaler (PIP or KEY),
the video switches to black, but the scaler remains in its current size and position.
• Background LOS — If there is a LOS for a background DVI input, the video
switches to the background’s selected matte color.
• DSK LOS — If there is a LOS for the DSK, the system switches the DSK Off
(specifically, selecting "
none" as the type).
In each case, when the video signal recovers, the system re-enables it as before.
PIP A
PIP B
PIP A
PIP B
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