RICOH Interactive Whiteboard D8400
LCD panel
Item Specifications
Size 84 inch wide (diagonal 2134.62 mm)
Effective display area (H × V) 1860.48 × 1046.52 mm (73.3 × 41.3 inches)
Display type IPS
Backlight LED system
Maximum resolution 3840 × 2160 pixels (1960 × 1080 pixels when using the
Interactive Whiteboard)
Aspect ratio 16 : 9
Display color Approximately 1.06 billion colors (10 bit each for R, G, and B)
Pixel pitch (H × V) 0.4845 × 0.4845 mm (0.019 × 0.019 inches)
Maximum brightness 350cd/m
2
• Brightness changes in accordance with the image settings. In
addition, the brightness fades as the product ages. It does
not maintain a consistent level of brightness.
Contrast ratio 1400 : 1
View angles 178° in the horizontal field; 178° in the vertical field
(Contrast ratio = 10 or more)
Response speed 5 ms (Gray to Gray, Average)
Touch panel
Item Specifications
Detection method IR Matrix Type
Guard glass
(With AR coating)
Thickness: Approximately 4.0 mm (AG Anti-Glare Glass)
10. Appendix
280
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