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Hd /525i /525p panel white balance – Panasonic GPH5D User Manual

Page 88

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89

HD /525i /525P Panel White Balance


Equipment required: HDTV (720P or 1080I) grayscale pattern Generator, Color
Analyzer
Panel Settings; Picture = Normal, White Balance = Cool, Aspect Ratio = 16:9

Pattern Display:

Figure 74

Step 1 Find the area of Low light closest to 10 cd/m2 using the color
sensor.
Step 2 Access the Sub Brightness setting and Adjust Sub bright level of
this area to exactly 10 cd/m2.
Step 3- Access the G cut off setting and Set G cut off to " 80 ".
Step 4- Access the B and R cutoff settings and adjust B and R cut off
adjustments so the color temperature matches the settings in Table 4.

Table 4

Color Temp.

X

Y

Cool (High)

0.272

0.290

Normal (Mid)

0.288

0.296

Warm (Low)

0.313

0.329

Step 5- If the Sub Brightness has changed, re-adjust it to set Low light to
10 cd/m2.
Step 6- Find the 75% white area using the color sensor.
Step 7- Access the G Drive setting and set G Drive to " D8 ".
Step 8- Access the B and R Drive settings and adjust B and R Drive to set
the color temperature as shown in table 1.
Step 9- Repeat item (4 to 7) to set both Low light and High light.
Step 10- Increase the level of R, G and B Drive to the largest level of "FC".
Step11- Re-adjust Low light level again.
Step 12- Change white balance to "Normal" and repeat procedures (3 to
11) for Cool mode.
Step 13- Change white balance to "Warm" and repeat procedures (3 to
11) for Cool mode.
Step 14- Change color temperature to "Cool" and Reset Sub Bright value
to “30

”.