ViewSonic VX500PLUS-1 Service Manual page 13

Contrast ratio =
(Note 2) Viewing angle is measured as follows:
(Note 3) Definition of response time is as follows:
Response time is measured when the display data is changed from white to
black.
Wh it e(TF T OF F )
Wh it e
Opt ica l
Respon se
(Note 4) Judge points for brightness uniformity
Brightness uniformity is judged at five (9) points on display area:
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Brightness(Luminance) with all pixels at "white"
Brightness with allpixels at "black"
'
Bla ck(TF T ON)
T
R
'
Wh it e(TF T OF F )
T
F
10
Confidential – Do Not Copy
100
90
10
0
VX500+-1