Acer X193W Servicehandleiding - Pagina 8

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Acer X193W Servicehandleiding

Electrical Requirements

Standard Test Conditions
All tests shall be performed under the following conditions, unless otherwise specified.
Ambient light
Viewing distance
Warm up time
All specifications
Measuring equipment
Control temperature
User brightness control
User contrast control
User red/white balance,
Green/white balance and
Blue/white balance control
AC Supply voltage
Ambient temperature
Display mode
Measurement systems
The units of measure stated in this document are listed below:
1 gamma = 1 nano tesla
1 tesla = 10,000 gauss
cm = in x 2.54
Lb = kg x 2.2
Degrees F = [° C x 1.8] + 32
Degrees C = [° F - 32]/1.8
u' = 4x/(-2x + 12y + 3)
v' = 9y/(-2x + 12y + 3)
x = (27u'/4)/[(9u'/2) - 12v' + 9]
y = (3v')/[(9u'/2) - 12v' + 9]
nits = cd/(m2) = Ft-L x 3.426
lux = foot-candle x 10.76
:
Dark room
:
30-50 cm for LCD performance
＞30 minutes
:
:
Photo detector PR650 w/2°
Measurement field
6500° K
:
The value under user mode
:
Set to factory preset value, which allows that the brightest two of
32 linear distributed gray-scales (0～700mv) can be
distinguished.
:
In the center (unless otherwise specified)
:
230V± 5％, 50±3Hz
:
20+5℃
:
1400 × 900 @60Hz, all white
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