UD100 User Guide Document: UD100-3
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User can select the region for black level uplift and apply the offset value in R.G.B. color to
compensate the color difference between overlap region and non-overlap region.
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If user executes more complicated edge blending such as 4 projectors at 2x2 location. The
maximum areas for black level uplift may increase up to 9 locations.
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RGB color adjustment range is from 0-255. For DLP projector, the adjusting value is near 60-90.
For LCD projector, the adjusting value is near 80-120. RGB is independent.
7.4.2. [Corner]
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Adjust the correct location for black level uplift by [Corner] menu.
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When user adjust the location of the control points, user will see the change of color uplift position.
This region starts from original projection area before geometry alignment. It is not the same as
overlap area.
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The maximum adjustment range is +_900 pixels in vertical direction and +_1200 pixels in
horizontal direction.
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Projector display imager, such as DMD, LCD and LCOS, will have some image borders due to
active display window is not at full range of the imager. In dark environment, viewer may see a little
light leakage
in image borders. It is outside active display area and can’t be fixed.
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If user finds some position deviation between Black Level uplift border and projector Light Leakage
border, it can be fine-tune by geometry alignment between two adjacent projectors. Please make
sure to have good image grid alignment in that area.
