7. Advanced
7.8.5.4.3 Beta planes
Beta plane specification
Abetaplaneisabitmapfile which will be applied to the image (outside the soft edge zones) in order to obtain a desired brightness
level. The file must be a .TIFF file and it must have the same resolution as the projector’s native resolution. It may be compressed.
Uploading a Beta plane file
Beta planes must be uploaded in the following projector directory (accessible via FTP) :
/D/display/Softedge
The file must be named as follows :
beta.tiff
The free storage capacity on the D-drive is about 8 MB. it is needed to store the image files, geometry files, factory backup, Alpha
planes and Beta planes. Practically, about 6MBwill be available for the Alpha + Beta plane.
The Beta plane will only be applied if it has been activated in the Black level... menu’s dialog box (see proce-
dure below)
How to activate a beta plane ?
1. Press the MENU key to activate the Tool bar.
2. Push the cursor key ← or → to highlight Display setup
3. Push the ↓ key to pull down the menu.
4. Push ↓or ↑ to select S oft edge
5. Push the → key to pull down the menu.
6. Push the cursor key ← or → to highlight Black level...
Image 7-140
7. Press ENTER
A dialog box will be displayed.
Black Level
Internal
Beta planes
Planes
Level
0
Image 7-141
8. Use the arrows to select the Beta planes check box and press ENTER
Note: It will take a certain time for the be ta plane to be applied
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