Christie Mirage S+/HD/WU User Manual page 125

By controlling blend width and other properties, you can achieve uniformity across the group of images.
Visible overlaps disappear as illustrated in
For best results, use the same projector model and type throughout your display wall. In addition, avoid high-
gain screens whenever possible. The optical performance of such screens demands minimal image offset, thus
projectors must be located very close to one another. It should be noted that the requisite tiling of the image
(with data repeated along internal edges that will overlap) must be correctly handled by your source.
Flat Blends vs. Warped Blends
Flat Blend. It is important to remember that the projector's
standard edge blending controls affect the outer edges of
the projector's display panel, and that each blend is
consistent along its length. Refer to
standard Edge Blending menu controls can blend multiple
flat full-panel displays if they have no keystoning or
optional warping applied.
Warped Blends. When using the optional Christie TWIST
work with its separate Christie TWIST
blend can vary along its length to compensate for curves.
Once downloaded to the projector, simply apply the desired custom "user" blend by selecting it in the
Blending Enable drop-down list.
Optional Blinders
If desired, you may wish to install the optional mechanical blinders at the projector lens. These adjustable
blades help to blend blacklevels along edges of the image, and are available in a separate kit.
Since the blinders and Edge Blending menu controls are intended to complement each other, with blinders
primarily affecting blacklevels and software primarily affecting whitelevels, together these components
produce the best blends possible for any type of flat image. Or, depending on your projector model and your
application needs, you may prefer to utilize only the standard software controls. For example, you may find
that the edges of white or very light images can be well-blended without blinders. In other more unusual
applications with only a very small area of overlap, you may need only the blinders.
Standard edge blending software controls are located in the 2-page Edge Blending submenu access via the
Configuration menu > Geometry and Color submenu > Edge Blending. The More option opens the second
page of the Edge Blending submenu.
Roadster, Matrix WU, Mirage S+/HD/WU User Manual
020-100002-06 Rev. 1(04-2011)
Figure 3-46.
Figure 3-46 Edge Blending Concept
Tiling is done at the source
NOTE
:
Figure 3-45. The
PC application to create more specialized blends required. Such a
TM
Requires Christie TWIST
module for warping images on to curved screens,
TM
Section 3: Operation
3-73