Barco F90 - W13WUXGA, User Manual

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8. Installation menu
Image 8-36
Blend adjust menu
Use the up/down/left/right arrow key on the remote control or key pad to navigate in the menu.
Blend adjustment procedure. Side by side con fi guration.
1. By the arrow keys, place the display cursor on respectively the “Enable” zone and the “Show Lines” zone and activate them by
pressing enter.
2. Using the arrow keys, place the cursor on the “Right Width” zone, press enter
3. Adjust the width value by using the arrow keys up (or down), one step at a time. By pressing the key arrow constantly, the blend
value will increase rapidly. The numeric value of the width is shown on the screen next to the alignment line. (The number entered
represent the blend width expressed in number of pixels). Con
fi rm position by pressing enter.
4. For the right picture, repeat the procedure, but adjust the Left Width instead of the right width. The numeric value for the left width
shall ideally be the same as for the right width for the left picture in the steps above.
5. Exit the menu by using the exit button on the remote control.
Adjustment procedure in over / under con fi guration.
For Blend adjustments in over / under con fi guration, the procedure is the same as for side by side, but use the Top and Bottom
height instead, and perform a similar procedure.
Use the numeric keys instead of the arrow key to set the values.
Instead of adjusting the lines by the arrow keys, the value can also be typed directly using the numeric keys on the remote control.
To remove or undo the entered numbers, use the * key on the remote control.
8.5.4 Black Level Adjustment
About adjusting the black level
The Purpose of the black level adjustment is to adjust the black levels in the non overlapped areas with the black level in the over-
lapped areas (Blend Zone).
This is a necessary function, due to the fact that the black level will be brighter in the blend zones, since multiple projectors will add
light in these zones.
The width of the black level area shall ideally be slightly larger than the width of the blend zone in order to also compensate for the
“sea of mirrors” phenomenon.
The fi gure below shows how this occurs in a side by side con fi guration without any correction of the black level.
Picture Left Picture Right Blend Zone
Image 8-37
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