BenQ LU9715 User Manual page 55

Adjust Lines: Select adjust lines to on, enabling user to adjust overlapping area.
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White Level: White level is to adjust the overlapping area for the blending. By selecting
the areas of Top, Bottom, Left, and Right, the overlapping area can be optimized as the non-
overlapping area to display a seamless picture. Adjust the line to the Edge pixel line of the other
projector.
Black Level: Black level is to compensate the non-overlapping area if the blending region is
brighter. The Red, Greed, and Blue of the projector can be adjusted both simultaneously and
independently.
Reset Edge Blending: Reset edge blending settings to default setting values.
Note:
Step for Edge Blending
1. Execute "Reset to Default Setting ", for all setting value back to default.
2. In a scenario projectors being placed side by side, use zoom/focus/lens shift to the most similar
condition. The Four Corner/ Keystone can also be applied to adjust its shape. Use a grid pattern
to confirm if the blending area are overlapped well.
3. Use custom light mode to adjust the brightness level if the brightness of the projectors are not
at the same level.
4. Set edge blending status to "on".
5. Set Adjust Lines to "on" so as to see the area being adjusted.
6. Set white level for each projector. The blending area is decided by the projected image; take
an example of the following picture, adjust the Right area of projector A, and adjust the left area
of projector B.
7. Set black level to adjust non-overlapping area.
Image 1
A
Determine overlapped area(Range)
Determine overlapped position(Position)
Image 2
B
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