ViewSonic Corporation
Confidential - Do Not Copy VP2650wb-1
29
1. Measure each color temperature (C1, C2, C3, C4) by Minolta CA-110 (or equivalent
equipment).
2. Two methods can be used to adjust RED, GREEN, BLUE value of each color temperature,
C1, C2 & C3 to meet following spec requirement, the 1
st
method is by using external PC and
IIC alignment protocol to do automatic adjustment, and the 2
nd
method is by manually and
must be in factory mode.
x+/- 0.283+/- 0.008 Color temperature
(C1:9300K set on OSD)
y+- 0.297+/- 0.008
x+- 0.299+/- 0.008 Color temperature
(C2:7500K set on OSD)
y+- 0.315+/- 0.008
x+- 0.313+/- 0.008 Color temperature
(C3:6500K set on OSD)
y+- 0.329+/- 0.008
x+- 0.313+/- 0.008 Color temperature
(C3:sRGB set on OSD)
y+- 0.329+/- 0.008
x+- 0.345+/- 0.008 Color temperature
(C4:5000K set on OSD)
y+- 0.362+/- 0.008
Move cursor into “Clear User” tag and run to disable burn-in mode.
3. Turns off the monitor power.
Preset Color Temperatures
sRGB It should meet IEC 61966-2-1 (1999-10) standard.
Preset 1
CCT (typ) = 9300K (u’CCT=0.1888; v’ CCT=0.4457)
Δu’v’<0.01 (@ Full White pattern)
Preset 2
CCT (typ) = 7500K (u’CCT=0.1935; v’ CCT=0.4586)
Δu’v’<0.01 (@ Full White pattern)
Preset 3 (Primary)
CCT (typ) = 6500K (u’CCT=0.1978; v’ CCT=0.4684)
Δu’v’<0.01 (@ Full White pattern)
Preset 4
CCT (typ) = 5000K (u’
CCT=0.2044; v’ CCT=0.4808)
Δu’v’<0.01 (@ Full White pattern)
Preset Color Temperature
Adjustability
Each color preset shall be adjustable. Red, Green,
and Blue shall be individually controlled.
*Any gray level and Contrast/Brightness should not get reddish, greenish or bluish.
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