Acer TravelMate 4750 - Manual (Page 1999)

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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 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