Acer 4620-4431 Extensa 4620Z / 4220 User's Guide EN - Page 96
LCD panel ergonomic specifications
UPC - 099802401528
View all Acer 4620-4431 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 96 highlights
76 LCD panel ergonomic specifications English 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: [250 + (250cosα)] lx where α = 85° • Color: Source D65 • Ordinary LCD: Class I • Protective or Acer CrystalBrite™ LCD: Class III Both • Yn • u'n • v'n Class II
76
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