ViewSonic VG800-2 Service Manual page 11

3.6 Display Characteristics
3.6.1 Picture Size
Horizontal Width
Vertical Width
3.6.2 Optical Characteristics
General qualities: The following data was measured by BM7 of TOPCON
data are panel optical data, for analog signal there are +- 5% tolerance.
Item
Contrast
White
Brightness
Uniformity of
Brightness
Response
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:
ViewSonic Corporation
Code Conditions
CR
White Black at Image
Center
L Whole White
VMAX
Bmax
Tpd
All White
All Black
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°
357.12 mm (typical)
285.70 mm (typical)
Min.
300
200
Bmin 70
All Black
All White
80
80
80
80
>=200 (cont / bright
backlight max)
8
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Typ. Max. Unit
400
250 cd / m 2
%
75
10 25 ms
20 30 ms
Degree
Degree
Degree
Degree
Cd / m
VG800b
2