ViewSonic VX500PLUS-1 Service Manual page 12

Uniformity of
Brightness
Response Tpd
At 25
degree
Right
Viewing Left
Angle Up
Down
Luminance
control
These characteristics were measured under the following conditions:
Temperature:
Viewing angle:
Warm Up time:
Measuring instrument:
Measuring distance:
Measuring angle:
Notes:
(Note 1) Contrast ratio is defined as the following formula.
ViewSonic Corporation
Bmin
Bmax
All White All Black
All Black All White
R
Center CR 10
L
H
L
All White (digital signal
or analog 6500k)
Brightness at center of
display surface
77 ± 6°F, 25 ± 5°C
AU = 0°, AR = 0°
minimum 30 minutes
TOPCOM BM-7 Luminance Meter
500 mm
2°
500mm
2 Degree
70
5
20
60 70
60 70
40 55
50 65
>=200 (cont / bright
backlight max)
BM-7
9
Confidential – Do Not Copy
%
ms
ms
Degree
Degree
Degree
Degree
2
Cd / m
VX500+-1