Black Level Uplift - Digital Projection E-Vision Laser 4K Series User Manual

Digital Projection E-Vision Laser 4K Series
Edge Blend menu continued from previous page

Black Level Uplift

Black in the blended regions appears less dark than in the rest of the image. To
compensate for this, use this menu to raise the black levels of the rest of the image:
•
Set All to the required amount of black level correction. This will apply equal
correction to the black levels of all colors.
•
If necessary, use the individual color sliders (
adjustment.
You may experience artifacts at the edges where the blended region of one projector
overlaps the pond of mirrors of its neighbor. In the example below, the blended image
comes from two projectors,
1 and
as a result, artifacts 3 and 4 have emerged at the edges where the black level uplift
region of one projector overlaps the pond of mirrors of the other.
To remove the artifacts, you need to slightly reduce the size of the black level uplift region
of each projector so it does not overlap the pond of mirrors of the other projector.
•
Depending on your array, use Top
level uplift size. In the example below, use the
left to remove the artifact on the right
1
on the right to remove the artifact on the left
2
Operating Guide
, and ) for fine
Red Green Blue
2 . Both images have black level uplift applied;
, Bottom , Left and/or Right to reduce the black
slider of the projector on the
Right
, and the slider of the projector
Left
4
.
3
1
3 4
USING THE PROJECTOR

Black Level Uplift

Top
Bottom
Left
Right
All
Red
Green
Blue
2
Enable
0 Edge Blend
level uplift area.
0
0
0
0
0
0
0
Notes
from the
Align Pattern
menu to see the black
Rev A June 2017
page 57