Runco Reflection - Manual (Page 49)

Operation
Runco CL-410 and CL-420 Owner’s Operating Manual 39
Color Temperature: To adjust the color temperature, select Color Temp from the
Picture Adjust menu and press ENTER. (Color temperature defines the “color of gray.”)
The range is from 5,000K to 10,000K, in increments of 500K. The default setting, 6,500K,
is appropriate for most situations. Higher settings produce a “bluer” picture; lower ones
impart a reddish hue to the image.
For more precise control over the color temperature, you can adjust the x and y
coordinates for gray. These define its location on the standard CIE chromaticity graph,
shown in Figure 4-9. (CIE stands for “Commission Internationale de l’Éclairage”
(International Commission on Illumination), the organization responsible for color
measurement and management standards.) Changing either or both of these numbers
changes the hue of gray, within a narrow range above or below the selected color
temperature; refer to Table 4-2.
To restore the default color temperature, select Reset Color Temp and press ENTER.
Press ENTER again to confirm.
Figure 4-9. CIE 1931 Chromaticity Diagram
Color Temp 6500K
x 0
y 0
Reset Color Temp
Table 4-2. Effect of X and Y Coordinates for Color Temperature
X-adjustment Y-adjustment Result
red hues
blue hues
green hues
yellow hues
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 2500
3077
4000
5000
5714
6667
8000
10000
D50
D65
D93