ViewSonic G220f-1 - Page 48

4. Video Alignment / function memory recall"
4.1 Input 1280x1024 91KHz full black pattern"
4.2 Set Brightness 100%'Contrast 0%'turn the G2 knob to obtain raster light O/P about 0.7FL"
4.3 Adjust R&G&B bias Control to meet following chromatically spec"
9300
°
K , x = 0.283(0.003'y = 0.297(0.003'Y = 0.6(0.3 FL"
6500
°
K , x = 0.313(0.003'y = 0.329(0.003'Y = 0.6(0.3 FL"
5000
°
K , x = 0.346(0.003'y = 0.359(0.003'Y = 0.9(0.3 FL"
4.4 Adjust Brightness to 50%'Contrast 100%"
4.5 Apply 70mmx70mm green window pattern'adjust G-Driver to obtain green window pattern light O/P
about 23 ± 2FL (9300
°
K)"
4.6 Apply white window pattern'adjust R-Driver'B-Driver to meet following chromatically spec"
9300
°
K , x = 0.283(0.003'y = 0.297(0.003'Y = 33(2 FL"
4.7 Apply 70mmx70mm green window pattern'adjust G-Driver to obtain green window pattern light O/P
about 21 ± 2FL (6500
°
K), 19 ± 2FL for (5000
°
K)"
4.8 Apply white window pattern'adjust R-Driver'B-Driver to meet following chromatically spec"
6500
°
K , x = 0.313(0.003'y = 0.329(0.003'Y = 33(2 FL"
5000
°
K , x = 0.346(0.003'y = 0.359(0.003'Y = 33(2 FL"
4.9 Apply full white pattern"
4.10 Adjust VR4402 to obtain light O/P =30(1 FL"
4.11 Apply full white pattern'adjust contrast from max to 10FL and check the chromatically meet following
spec"
*x (at contrast'25.75) – x (at contrast'30FL)*+ 0.003"
*y (at contrast'25.75) – y (at contrast'30FL)*+ 0.003"
*x (at contrast'25.75) – x (at contrast'10FL)*+ 0.007"
*y (at contrast'25.75) – y (at contrast'10FL)*+ 0.006"
4.12 Functions “All mode recall”"
Push button “ ” and power switch on'the picture should restore to that of factory mode"
5. Focus Adjustment"
5.1 Apply signal ALL “mE” pattern at 1280*1024 91K mode"
5.2 Set Brightness 50%'Contrast 100%"
5.3 Set focus control for best focus"
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G220f-1_G220fB-1