Canon WUX400ST Manuel D’Utilisation

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Select [B-width], and use the remote’s [ ] [ ] buttons to specify the width 
of area B.
This will make the width of area D narrower.

Adjust the width of area B to roughly match the area where the black level 
is noticeable, and then use the following edge-blending settings to adjust 
the black level of area B.
Adjust the black level of area B the same way as you adjusted it for area D.

For adjustment instructions, see “Advanced Instructions: Black Level 
Adjustment” (

), step 3.

• [Off] is the factory default.

Black level

B-area base

Adjust the area B black level.

B-area red

Adjust the red component of the area B black level.

B-area green Adjust the green component of the area B black level.
B-area blue

Adjust the blue component of the area B black level.

Results of adjusting the black level of area B are applied to all sides.

However, adjusting [Contrast], [Screen color], or other settings may not eliminate 
distractions in image boundaries.

• To simplify adjustment, use the same lens shift position and image mode (ideally, 

[sRGB]) on each projector.

• For best edge-blending results, perform the following adjustments.

(1) Black and white adjustment by adjusting R/G/B gain and offset (

(2) Gamma adjustment by fine-tuning gamma (

(3) Color adjustment by using 6-axis color adjustment (

)

• To reduce distracting colors or differences in brightness where images overlap, try 

darkening images by adjusting [Contrast] (or other [Image adjustment] menu settings) 
or [Screen color].