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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 + (250cosα)] lx where α = 85°

 

Color: Source D65

 

 

 

Reflection class of LCD panel

Ordinary LCD: Class I

(positive and negative polarity)

Protective or Acer CrystalBriteLCD:

 

 

Class III

 

 

 

Image polarity

Both

 

 

 

 

Reference white:

Yn

Pre-setting of luminance and

u'n

color temperature @ 6500K

v'n

(tested under BM7)

 

 

 

 

Pixel fault class

Class II

 

 

 

English

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Acer 4120 manual LCD panel ergonomic specifications