Acer B203H Manual de serviço - Página 8
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Electrical Requirements
Standard Test Conditions
All tests shall be performed under the following conditions, unless otherwise specified.
Ambient light
Viewing distance
Warm up time
Analog Input signal
Control temperature
User brightness control
User contrast control
Picture position and size
Viewing angle
AC Supply voltage
Ambient temperature
Humidity
Display mode
e-color 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
2
Dark room (< 1 cd/m
)
40 cm for LCD performance, 20 cm for LCD failures
＞30 minutes
700 mVss
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.
Factory preset value
90° H and V
220V± 5％, 50±3Hz
20+5℃
50% ± 10%
1600 x 900, 60 Hz, all white
Set to "User" mode
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