ViewSonic VX2245wm-1 Service Manual page 16

Condition:
Contrast = Default
Brightness = Default
CCT = 6500K
Lv (9300k) –
Condition:
Contrast = Default
Brightness = Default
Color Temperature = 9300K
Lv (7500k) –
Condition:
Contrast = Default
Brightness = Default
Color Temperature = 7500K
Lv (5400k) –
Condition:
Contrast = Default
Brightness = Default
Color Temperature = 5400K
Lv (Brightness) –Condition:
Contrast = 100%
Lv (Contrast) –Condition:
Brightness = 100%
Contrast Ratio
CR(Max) –Condition:
Contrast / Brightness = 100%
CCT = USER COLOR (R/G/B=100%)
CR(6500K) –Condition:
Contrast / Brightness = Default
CCT = 6500K
≧
* 50% units of shipment shall be equal or better than typical CR spec.
Saturation
Contrast = Default
Brightness = Default
Test Pattern = 64-Gray
Contrast =100%
Brightness = 100%
Test Pattern = 32-Gray
Preset Color Temperatures
sRGB
Preset 1
Preset 2
Preset 3 (Primary)
Preset 4
Preset Color Temperature
Adjustability
* Any gray level and Contrast/Brightness should not get reddish, greenish or bluish.
ViewSonic Corporation
Lv (9300k) / Lv (Def) x 100% > 70%
Lv (7500k) / Lv (Def) x 100% > 75%
Lv (5400k) / Lv (Def) x 100% > 75%
Lv(Brightness=0%) / Lv(Brightness=100%) x
100%
Lv(Contrast =0%) / Lv(Contrast =100%) x 100%
30%
Same as the Contrast Ratio in section 4-6 "TFT LCD
PANEL"
CR(6500K) / CR(Max) ≧ 85%
No visible saturation
>1 and <3 – level saturation
It should meet IEC 61966-2-1 (1999-10) standard.
CCT (typ) = 9300K
x=0.283±0.03
y=0.298±0.03
CCT (typ) = 7500K
x=0.299±0.03
y=0.315±0.03
CCT (typ) = 6500K
x=0.313±0.03
y=0.329±0.03
CCT (typ) = 5400K
x=0.336±0.03
y=0.348±0.03
Each color preset shall be adjustable. Red, Green, and Blue shall
be individually controlled.
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