![background image](http://html1.mh-extra.com/html/barco/nw-12/nw-12_user-manual_3850258151.webp)
7. Advanced
Both methods will allow to compensate for the typical double brightness phenomenon in the soft edge zones by increasing the
brightness of the rest of the image.
channel 1
channel 1
Overlap zone (double brightness)
channel 1&2
pulled up
Image 7-165
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)
7.9.7.5.2
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 and alpha beta planes
5. Push the
→
key to pull down the menu.
6. Push the cursor key
←
or
→
to highlight
Black level...
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Summary of Contents for NW-12
Page 1: ...NW 12 User Guide R9040410 R59770286 00 25 09 2008...
Page 8: ...Table of contents 4 R59770286 NW 12 25 09 2008...
Page 10: ...1 Introduction 6 R59770286 NW 12 25 09 2008...
Page 16: ...3 Installation guidelines 12 R59770286 NW 12 25 09 2008...
Page 42: ...4 Installation 38 R59770286 NW 12 25 09 2008...
Page 56: ...5 Setup 52 R59770286 NW 12 25 09 2008...
Page 58: ...6 Getting started 54 R59770286 NW 12 25 09 2008...
Page 96: ...7 Advanced Image 7 67 Image 7 68 Image 7 69 92 R59770286 NW 12 25 09 2008...
Page 141: ...7 Advanced Image 7 145 Image 7 146 Image 7 147 Image 7 148 R59770286 NW 12 25 09 2008 137...
Page 164: ...7 Advanced 160 R59770286 NW 12 25 09 2008...
Page 172: ...8 Trouble shooting 168 R59770286 NW 12 25 09 2008...
Page 176: ...Glossary 172 R59770286 NW 12 25 09 2008...