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7. Advanced
Internal black level versus Beta Planes
In the same way as for the soft edge adjustment (Internal vs Alpha planes) this black level adjustment can be
fi
xed
internally
by
using a dialog box or externally by uploading a user de
fi
ned
Beta plane
. This beta plane will contain the values for the brightness
offset
to be applied to the image.
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 7-167
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
R59770121 NH-12 04/05/2011
145
Summary of Contents for Galaxy NH-12
Page 1: ...NH 12 User Guide R9010610 R59770121 06 04 05 2011...
Page 8: ...Table of contents 4 R59770121 NH 12 04 05 2011...
Page 10: ...1 Introduction 6 R59770121 NH 12 04 05 2011...
Page 16: ...3 Installation guidelines 12 R59770121 NH 12 04 05 2011...
Page 54: ...5 Setup 50 R59770121 NH 12 04 05 2011...
Page 56: ...6 Getting started 52 R59770121 NH 12 04 05 2011...
Page 93: ...7 Advanced Image 7 68 Image 7 69 Image 7 70 R59770121 NH 12 04 05 2011 89...
Page 139: ...7 Advanced Image 7 147 Image 7 148 Image 7 149 Image 7 150 R59770121 NH 12 04 05 2011 135...
Page 162: ...7 Advanced 158 R59770121 NH 12 04 05 2011...
Page 174: ...8 Maintenance Image 8 24 Installing the rear cover step 5 170 R59770121 NH 12 04 05 2011...
Page 184: ...9 Troubleshooting 180 R59770121 NH 12 04 05 2011...
Page 188: ...Glossary 184 R59770121 NH 12 04 05 2011...