26 Encore Presentation System • User’s Guide • Rev 04
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System Overview

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Within the Encore system, each mixer has two layers, A and B, and each can be assigned
to either PIP or Key functionality.
A typical single mixer application (including the DSK) is illustrated below.
Figure 1-4. Layer Illustration — Background, Single Mixer + DSK
Please note the following important points:
The Downstream Key (DSK) is the highest priority layer, using an unscaled DVI
input or a scaled frame grab. The DSK visually appears over all other images
(PIPs and keys) on all mixers.
The high resolution Background layer has the lowest priority, using an unscaled
DVI input or a scaled frame grab. This layer visually appears behind all other
PIPs, keys, and the DSK. The system can transition between two background
sources — both of which must be at the projector’s native resolution.
On any mixer, a PIP layer appears over backgrounds and under the DSK. Effects
include mixes and wipes, smooth moves and resizing, adjustable aspect ratio,
borders, drop shadows and soft edges, and PIP “clone” mode (mirror and offset).
On any mixer, a Key layer also appears over backgrounds and under the DSK.
Key effects include luminance keys, split keys (key alpha and fill), invert keys and
color keys (graphics).
Within a single mixer, layer B has priority over layer A, but you can change that
priority as desired by pressing the Swap Z-Order button.
On a triple mixer system, up to six inputs can be scaled to produce PIP or Key
images that can be transitioned independently or in pairs.
Wilderness
Background
Layer A: PIP
Layer B: Key
DSK

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