Acer Aspire E1-571G User Manual page 511

LCD panel ergonomic specifications
Design viewing distance
Design inclination angle
Design azimuth angle
Viewing direction range class
Screen tilt angle
Design screen illuminance
Reflection class of LCD panel
(positive and negative polarity)
Image polarity
Reference white:
Pre-setting of luminance and
color temperature @ 6500K
(tested under BM7)
Pixel fault class
Part no.:
Ver.: 01.01.06
500 mm
0.0°
90.0°
Class IV
85.0°
• Illuminance level:
α
[250 + (250cos )] lx where
• Color: Source D65
• Ordinary LCD: Class I
• Protective LCD: Class III
Both
• Yn
• u'n
• v'n
Class II
63
α
= 85°