Acer 5720 4984 Aspire 5320/5715/5715Z/5720/5720G User's Guide EN - Page 117

Acer 5720 4984 - Aspire - Pentium Dual Core 1.73 GHz Manual

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97 Design viewing distance Design inclination angle Design azimuth angle Viewing direction range class Screen tilt angle Design screen illuminance 500 mm 0.0° 90.0° Class IV 85.0° • • Illuminance level: [250 + (250cosα)] lx where α = 85° Color: Source D65 Ordinary LCD: Class I Protective or Acer CrystalBrite™ LCD: Class III Yn u'n v'n 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 • • Both • • • Class II English LCD panel ergonomic specifications English

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97
English
English
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