Dell E178FPC - Definition of Pixel Defects; Optical Characteristics; Inspection Environment Conditions

17" LCD Color Monitor Dell E178FPC
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4.4.2 Optical Characteristics
The optical characteristics are measured under stable conditions at 25 ℃ (Room Temperature):
4.5 Definition of Pixel Defects
4.5.1 Inspection environment conditions:
◆ Room temperature: 20 ~ 25 C
◆ Humidity: 65 ± 5% RH.
◆ Illumination: Fluorescent light (Day-Light Type) display surface illumination to be 300 ~ 700 Lux. (standard
500Lux.)
◆ To be a distance about 35±5 cm in front of LCD unit, viewing line should be perpendicular to the surface of the
module judge the visual appearance with human’s eyes. (Stand up the panel for judge and ±30° viewing edge
will be allowed)
◆ Take off the protection film of polarizer while judging the display area.
◆ If there is any question while judging, check the panel again in operating mode.