ViewSonic VX800-3 Service Manual - Page 12

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Over 200 cd / m2 (@ Cont / Bright max) 2.5. Synchronization Horizontal: 30 to 82 kHz Vertical: 50 to 75 Hz Non-interlaced Maximum 75Hz @ 1280 x 1024 mode Recommended 60Hz @ 1280 x 1024 mode 2.6 Display Characteristics 2.6.1 Picture Size Horizontal Width Vertical Width 357.12 mm (typical) 285.696 mm (typical) 2.6.2 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 Code CR White L Brightness VMAX Conditions Min. Typ. White㧛Black at Image 400 500 Center Full White 200 250 Max. Unit 㧙㧙 㧙 cd / m2 Uniformity of Brightness Bmin Bmax 70 80 㧙 % Response Tpd At 25 degree Right ĬR Viewing Left ĬL Angle Up ĭH Down ĭL Luminance control All White ĺ All Black 10 15 ms All Black ĺ All White 15 20 ms Center CR㧪10 80 85 㧙 Degree 80 85 㧙 Degree 80 85 㧙 Degree 80 85 㧙 Degree All White(digital signal or analog 6500k) >=200(cont / bright cd / m2 Brightness at center of backlight max) display surface These characteristics were measured under the following conditions: Temperature: Viewing angle: Warm Up time: Measuring instrument: Measuring distance: 77 ± 6°F, 25 ± 5°C AU = 0°, AR = 0° minimum 30 minutes TOPCOM BM-7 Luminance Meter 500 mm ViewSonic Corporation 8! Confidential - Do Not Copy VX800-3

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Over 2
0
0 cd / m
2
(@ Cont / Bright max)
2.5. Synchronization
Horizontal:
30 to 8
2
kHz
Vertical:
50 to 75 Hz Non-interlaced
Maximum
75Hz
@ 1280 x 1024 mode
Recommended
60Hz
@ 1280 x 1024 mode
2.6 Display Characteristics
2.6.1 Picture Size
Horizontal Width
357.12 mm (typical)
Vertical Width
285.696 mm (typical)
2.6.2 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
Code
Conditions
Min.
Typ. Max.
Unit
Contrast
CR
White
Black at Image
Center
4
00
5
00
White
Brightness
L
VMAX
Full
White
2
0
0
250
cd / m
2
Uniformity of
Brightness
Bmin
Bmax
70
80
%
Response
At 25 degree
Tpd
All White
All Black
All Black
All White
10
15
1
5
2
0
ms
ms
Right
R
Center
CR
10
85
80
Degree
Viewing
Left
L
80
85
Degree
Angle
Up
H
80
85
Degree
Down
L
80
85
Degree
Luminance
control
All White(digital signal
or
analog
6500k)
Brightness at center of
display surface
>=2
0
0(cont / bright
backlight
max)
cd / m
2
These characteristics were measured under the following conditions:
Temperature:
77 ± 6°F, 25 ± 5°C
Viewing angle:
A
U = 0°,
A
R = 0°
Warm Up time:
minimum 30 minutes
Measuring instrument:
TOPCOM BM-7 Luminance Meter
Measuring distance:
500 mm
ViewSonic Corporation
Confidential – Do Not Copy
VX
8
00-3