7. Advanced
channel 1 channel 1
Overlap zone (double brightness)
channel 1&2
pulled up
Image 7-198
Black level : double brightness compensation
It is worth noting however, that (internal) black level (via the dialog box) is to be used for simple linear soft
edge zones (like in the illustration above). Curved soft edge zone should be done using (external) beta planes.
The Black level adjustment has to be done for all the channels (projectors)
7.9.9.5.2 Internal black level
What can be done ?
Internal black level can be adjusted via the projector’s software using a dialog box. The dialog box allows to add an offset to the
black level of the image in the zones outside the soft edge zones. The range goes from 0 to 255.
How to adjust the internal black level ?
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 Soft edge an d alpha beta planes
5. Push the → key to pull down the menu.
6. Push the cursor key ← or → to hig
hlight Black level...
R59770324 SIM 5W 22/12/2011
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