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CineWall™ Installer/Integrator Manual 65
PRE
L
IMINAR
Y
• Gamma: Select Gamma from the Display Color menu to choose a de-gamma curve.
Used correctly, the Gamma control can improve contrast while maintaining good
details for blacks and whites. If excess ambient light washes out the image and it
becomes difficult or impossible to see details in dark areas, lower the gamma setting to
compensate. This improves contrast while maintaining good details for blacks.
Conversely, if the image is washed out and unnatural, with excessive detail in black
areas, increase the setting.
• Lamp: Select Lamp from the Display Color menu to adjust the projector lamp
brightness.
• Power: To supply a constant wattage to the lamp, select Power from the Lamp
menu to set the lamp power level. You can choose to run the lamp as bright as
possible (this is the default setting) or you can choose a lower setting. The range is
from 156 to 180
watts, in 1-watt increments. Generally, lower lamp output prolongs
the life of the lamp, but decreases brightness.
• Color Temp: Select Color Temp from the Display Color menu to adjust the color
temperature. Color temperature establishes the “color of gray” by adjusting the 75%
white point to various color points.
What are “color points?” A “color point” is an x/y coordinate pair that defines a
color’s location on the standard CIE chromaticity graph, shown in
Figure 5-7. (CIE
stands for “Commission Internationale de l’Éclairage” (International Commission on
Illumination), the organization responsible for color measurement and management
standards.)
Figure 5-7. CIE 1931 Chromaticity Diagram
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
x
y
2000
2222
2500
2857
3333
4000
5000
5714
6667
8000
10000
D50
D65
D93