Acer TravelMate 5744 - Handbuch (Seite 107)

Bestimmungen und Sicherheitshinweise - 107
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 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