Acer Aspire 4920 - LCD Panel Ergonomic Specifications

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LCD panel ergonomic specifications
Design viewing distance 500 mm
Design inclination angle 0.0°
Design azimuth angle 90.0°
Viewing direction range class Class IV
Screen tilt angle 85.0°
Design screen illuminance • Illuminance level:
[250 + (250cos
α)] lx where α = 85°
• Color: Source D65
Reflection class of LCD panel
(positive and negative polarity)
• Ordinary LCD: Class I
• Protective or Acer CrystalBrite
™
LCD:
Class III
Image polarity Both
Reference white:
Pre-setting of luminance and
color temperature @ 6500K
(tested under BM7)
• Yn
• u'n
• v'n
Pixel fault class Class II