10
Electrical Requirements
Standard Test Conditions
All tests shall be performed under the following conditions, unless otherwise specified.
Ambient light
: Dark room
Viewing distance
: 40 cm for LCD performance, 20 cm for LCD failures
Warm up time
All specifications : ＞30 minutes
Fully functional : 5 seconds
Measuring equipment
: Chroma 7120 signal generator or equivalent, directly
Connected to the monitor under test.
Minolta CA100 photometer, or equivalent
Control settings
User brightness control : Set to Factory preset value (cut off raster)
User contrast control : T Set to factory preset value, which allows that the
brightest two of 32 linear distributed gray-scales (0～
700mv) can be distinguished.
User red/white balance,
Green/white balance and
Blue/white balance control : In the center (unless otherwise specified)
Power input
: 230V± 5％
Ambient temperature
: 20+5℃
Analog input mode
: 1280x1024, 60 Hz, all white
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
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