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78
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
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 or Acer CrystalBrite
•
Class III
Both
Yn
•
u'n
•
v'n
•
Class II
α
= 85°
™
LCD:
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