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 configuration.
1. By the a rrow keys, place the display c ursor on res pectively 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, t he blend
value will increase rapidly. The num eric value of the width is sho wn on the screen next to the alignment line. (The number entered
represent the blend width expressed in number of pixels). Confirm position b y pressing enter.
4. For the right picture, rep eat the procedure, but adjust the Left Width ins tead 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 remo te control.
Adjustment procedure in over / under configuration.
For Blend adjustments in over / under configuration, the procedure is the same as for side by side, but us e 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 num bers, use the * key on the remote c ontrol.
8.5.4 Black Level Adjustment
About adjusting the black level
The Purpose of the b lack level adjustment is to adjust the black levels in the non overlapped areas with the blac k 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 pr ojectors 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 m irrors” phenom enon.
The figure below show s how this occurs in a side by side configuration without any correction of the blac k level.
Picture Left Picture RightBlend Zone
Image 8-37
601–426 F70 SERIES 24/10/2017 77
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