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19" LCD Color Monitor
9. White-Balance, Luminance Adjustment
Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment.
1. How to do the Chroma-7120 MEM. Channel setting
A. Reference to chroma 7120 user guide
B. Use "SC" key and "NEXT" key to modify xyY value and use "ID" key to modify the
TEXT description Following is the procedure to do white-balance adjust
2. Setting the color temp. you want
A. MEM.CHANNEL 3 (7800K color):
7800K color temp. parameter is x = 296±20, y = 311±20, Y = 180 cd/m
B. MEM.CHANNEL 4 (6500K color):
6500K color temp. parameter is x = 313±20, y = 329 ±20, Y =180 cd/m
3. Access into the factory mode:
Turn on power, press the MENU button, pull out the power cord, and then plug the power cord. Then the factory
OSD will be at the left top of the panel.
4. Bias adjustment:
Set the Contrast
5. Gain adjustment:
Move cursor to "-F-" and press MENU key
A. Adjust 7800K color-temperature
1. Switch the Chroma-7120 to RGB-Mode (with press "MODE" button)
2. Switch the MEM. Channel to Channel 3 (with up or down arrow on chroma 7120)
3. The LCD-indicator on chroma 7120 will show x = 296 ±20, y = 311 ±20, Y = 180 cd/m
4. Adjust the RED of color1 on factory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN of color1 on factory window until chroma 7120 indicator reached the value G=100
6. Adjust the BLUE of color1 on factory window until chroma 7120 indicator reached the value B=100
7. Repeat above procedure (item 4,5,6) until chroma 7120 RGB value meet the tolerance =100±2
B. Adjust 6500K color-temperature
1. Switch the chroma-7120 to RGB-Mode (with press "MODE" button)
2. Switch the MEM.channel to Channel 4(with up or down arrow on chroma 7120)
3. The LCD-indicator on chroma 7120 will show x = 313±20, y = 329 ±20, Y =180 cd/m
4. Adjust the RED of color3 on factory window until chroma 7120 indicator reached the value R=100
5. Adjust the GREEN of color3 on factory window until chroma 7120 indicator reachedthe value G=100
6. Adjust the BLUE of color3 on factory window until chroma 7120 indicator reached the value B=100
7. Repeat above procedure (item 4,5,6) until chroma 7120 RGB value meet the tolerance =100±2
D. Turn the Power-button off to quit from factory mode.
to 50; Adjust the Brightness
2 ,
2
to 80.
37
Lenovo LXM-WL19CH
2.
2
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