ViewSonic VS11856 Pro8100-1 Service Manual page 65

(3) Image Quality
Projected image size: 60 inches (diagonal length)
Zoom ring: Adjust zoom ring to wide (Maximum projection size)
VGA
I/O port
Test Equipment
Signal format
Projected image size
Test Pattern
ViewSonic Corporation
Monitor In (WXGA)
Standard Pattern generator (Ex. Quantum data)
1920*1080 60Hz
60" in diagonal length
Full white
Apparent color strip, bend and streak corner on the
projected image are not allowable
256 level RGB
--256 level of RGB color should be distinguishable, at least
Red color scales should be.
-- For each RGB 256 levels, Noise or color deviation in R,
G, and B single level respectively are acceptable.
16 gray level
--16 level of gray level color should be distinguishable
--When Gamma selected to "RGB"
Not distinguishable of 2 brightest levels /2 darkest levels
are acceptable.
Test criteria
62
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PRO8100-1