Acer AL1702W Service-Handbuch - Seite 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

All specifications

Measuring equipment

Control settings

User brightness control

User contrast control

User red/white balance,

Green/white balance and

Blue/white balance control

Power input

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

40 cm for LCD performance, 20 cm for LCD failures

＞30 minutes

Chroma 7120 signal generator or equivalent, directly

Connected to the monitor under test.

Minolta CA100 photometer, or equivalent

Set to Factory preset value (cut off raster)

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％

20+5℃

1440x900, 60 Hz, all white