Adjusting Procedure; Adjustment Procedure - ViewSonic VG2427wm Service Manual

5. Adjustment Procedure

5.1 White balance, Luminance adjustment
Approximately 2 Hours should be allowed for warm up before proceeding White-Balance adjustment.
Before started adjust white balance, please setting the Chroma-C7120 MEM. Channel 0 to9300
0
Channel 1 to 7500 K colors, MEM. Channel 2 to 6500
(our 9300 parameter is x=283±12, y=297±12, Y >180 cd/m
2
cd/m ,6500 parameter is x =313±12, y=329±12, Y > 250cd/m
2,
>240cd/m sRGB parameter is x=313±12, y=329±12, Y =90±15 cd/m
How to setting MEM.channel you can reference to Minolta-CA210 user guide or simple use " SC" key and " NEXT"
key to modify x, y, Y value and use "ID" key to modify the TEXT description Following is the procedure to do
white-balance adjust
Enter into Burn/in mode:
AC ON the monitor with no signal ,and press "power" button to DC OFF the monitor, then press"1" and "power"
button at the same time to enter Burn/in mode;
Enter into the factory mode:
AC ON the monitor with signal connected, and press "power" button to DC OFF the monitor, then press"1" and
"power" button at the same time to enter factory mode;
Gain adjustment:
Move cursor to "Factory" and press "2" key.
Move cursor to " Auto Level" and press "2" key to adjust Gain and Offset automatically;
(notice：this monitor do auto level must in T144(1280X1024@60Hz) P48(32 Grays))
a. Adjust sRGB (9300
1. Switch the Chroma-C7120 to RGB-mode (with press "MODE" button)
2. Switch the MEM.channel to Channel 0 (with up or down arrow on Chroma-C7120)
3.The LCD-indicator on Minolta-CA210 will show x = 283 ±12, y = 297±12, Y >180 cd/m
b. Adjust Color1 (7500
4. Switch the Chroma-C7120 to RGB-mode (with press "MODE" button)
5. Switch the MEM.channel to Channel 1 (with up or down arrow on Chroma-C7120)
6. The LCD-indicator on Minolta-CA210 will show x = 299 ±12, y = 315 ±12，Y >210cd/m
c. Adjust Color2 (6500
7. Switch the Chroma-C7120 to RGB-mode (with press "MODE" button)
8. Switch the MEM.channel to Channel 2 (with up or down arrow on Chroma-C7120)
9. The LCD-indicator on Minolta-CA210 will show x = 313 ±12, y = 329 ±12，Y >250 cd/m
d. Adjust sRGB (5000
1. Switch the Chroma-C71200 to RGB-mode (with press "MODE" button)
2. Switch the MEM.channel to Channel 3 (with up or down arrow on Chroma-C7120)
3.The LCD-indicator on Minolta-CA210 will show x = 347 ±12, y = 360 ±12, Y >240 cd/m
0
K) color-temperature
0
K) color-temperature
0
K) color-temperature
0
K) color-temperature
0
K MEM. Channel 3 to 5000
2
；7500 parameter is x=299±12, y=315±12, Y >210
2
, and 5000 parameter is x = 347 ±12, y = 349 ±12, Y
2
)
24
0
K colors, MEM.
0
K MEM. Channel 4 to sRGB
2
2
2
2