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7. Operations

Understanding Lookahead Preview

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The following topics are discussed in this section:

Lookahead Preview Overview Lookahead Preview Tutorial

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Each bank’s PVW (Preview) output serves as a versatile “lookahead” output. These outputs work in conjunction with the buttons in each bank’s Next Transition Group to show you exactly how the bank’s layers will appear — after the next CUT, MIX, KEY, WIPE, or AUTO TRAN is performed.

The figure below illustrates the Next Transition Group on the M/E and PGM banks:

BG

KEY

1

 

M/E Bank

KEY

2

BG

DSK

PGM Bank

Figure 7-5.Next Transition Groups

In each Next Transition Group, the buttons that you enable determine the combination of layers that are “armed” for the next transition, and also determine what you “see” on each bank’s PVW monitor. If a layer is armed, it will appear on PVW.

Important

A monitor must be connected to the bank’s PVW output in order to view the “lookahead” video output.

To use the Next Transition Group, simultaneously press the combination of buttons that you wish to enable. Any combination of buttons can be pressed. Whichever combination you enable automatically disables those buttons that were not pressed.

In Chapter 3, refer to the “M/E Transition Section” heading on page 83 for details on the M/E bank’s Next Transition Group.

In Chapter 3, refer to the “PGM Transition Section” heading on page 76 for details on the Program bank’s Next Transition Group.

The tutorial in the next section provide examples of how selections in the Next Transition Group affect the lookahead preview output. In the tutorial, you’ll need four sources, for example:

A BG source (e.g., CAM1)

A PST source (CAM2)

A KEY 1 source (GFX)

A KEY 2 source (LOGO).

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