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PH50, XL50, XL21 series Set-up and Installation Manual 
 
44 
 
1.5.2.  Color balance adjustment 
You can adjust luminance and tint between each screen of a display wall. In principle, they 
should be adjusted according to (3) CSC adjustment. However, follow (2) BLACK LEVEL, (4) 
WHITE BALANCE and (5) GRADATION adjustments, if necessary. 
After that, set TARGET COLOR and SENSOR to maintain the uniformity over the long term. 
 
 
 
 
 
 
 
Color balance adjustment flow chart 
1.5.2.1. Preparation 
Before the adjustment, set each value according to the following table. 
Item 
Value 
Menu 
1  CONTRAST 
100 
Input memory menu 
2  BRIGHTNESS 
Input memory menu 
COLOR MATRIX 
OFF 
Input memory menu 
4 WHITE 
BALANCE 
R-GAIN  1000 
G-GAIN  1000 
B-GAIN  1000 
INSTALLATION in system menu 
5  WHITE BOOST 
OFF 
MISC FUNCTION in system menu 
6  SENSOR 
STOP or OFF 
MAINTENANCE in system menu 
1.5.2.2. BLACK 
LEVEL 
This adjustment is not necessary. 
Adjust it when the difference of luminance and tint in black is noticeable between each screen. Be 
careful not to deteriorate the contrast because it can be adjusted only by increasing the black 
luminance level. 
[Procedure] 
1.  Press [TEST] button three times and press [R], [G] and [B] button to display the black signal 
in the adjustment white. 
2.  Select BLACK LEVEL in INSTALLATION in the system menu. 
3.  Select R-, G- or B-LEVEL and adjust each color level in black. 
1.5.2.3.  CSC (Color Space Control) 
There are 3 ways to adjust CSC values. 
• 
By “Auto CSC” function in Wallaby 
• 
With a color analyzer 
• 
By manual 
1.5.2.3.1. By 
“Auto CSC” function 
Using “Auto CSC” function in adjustment software, “Wallaby”, the color balance can be 
automatically adjusted among a display wall. See “Auto CSC function” on page 103 for detail. 
1.5.2.3.2.  With color analyzer 
Optimum CSC values can be automatically calculated from the color component data in each 
screen measured with a specified color analyzer. See separately provided “CSC Auto-adjust 
Software Operation Manual” for detail.
CSC 
adjustment (3)
BLACK LEVEL 
adjustment (2)
 
GRADATION 
adjustment (5)
SENSOR 
Setting (7)
 
Preparation 
(1)
 
TARGET COLOR 
Setting (6)
 
WHITE BALANCE 
adjustment (4)