Energy Star HP L1740, Руководство по обслуживанию

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17" LCD Color Monitor HP L1740
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10. 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. 9300k color:
9300 color temp. parameter is x = 283 ±15, y = 297 ±15, Y> 180 cd/m
2 ,
B. sRGB color:
sRGB color temp. parameter is x = 313±15, y = 329 ±15, Y>180 cd/m
2
)
C. 6500K color:
6500K color temp. parameter is x = 313±15, y = 329 ±15, Y>180 cd/m
2
)
3. Into factory mode of HP L1740
Turn on power, press the down (+) 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
to 50
Adjust the
Brightness
to 80.
5. Gain adjustment :
Move cursor to “-F-” and press MENU key
A. Adjust 9300k color-temperature
1. Switch the Chroma-7120 to
9300k channel.
2. The chroma 7120 will show x = 283±15, y = 297 ±15, Y>180 cd/m
2
3. Switch the chroma-720 to
RGB MODE
(with press “MODE” button to change )
4. Adjust the RED of color
9300K
on factory window until chroma 7120 indicator reached
the value R=100
5. Adjust the GREEN of color
9300K
on factory window until chroma 7120 indicator reached
the value G=100
6. Adjust the BLUE of color
9300K
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