ViewSonic VP930b-3 - Page 24

21 1024 x 768 @ 60 Hz, 48.4 KHz Yes Yes
22 1024 x 768 @ 70 Hz, 56.5 KHz Yes Yes
23 1024 x 768 @ 72 Hz, 58.1 KHz Yes Yes
24 1024 x 768 @ 75 Hz, 60.0 KHz Yes Yes
25 1024 x 768 @ 75 Hz, 60.2 KHz Yes Yes
26 1024 x 768 @ 85 Hz, 68.7 KHz Yes Yes
27 1152 x 864 @ 75 Hz, 67.5 KHz Yes Yes
28 1152 x 870 @ 75 Hz, 68.7 KHz Yes Yes
29 1280 x 720 @ 50 Hz, 37.5 KHz Yes Yes
30 1280 x 720 @ 60 Hz, 45.0 KHz Yes Yes
31 1280 x 768 @ 50 Hz, 39.6 KHz Yes Yes
32 1280 x 768 @ 60 Hz, 47.8 KHz Yes Yes
33 1280 x 768 @ 75 Hz, 60.3 KHz Yes Yes
34 1280 x 768 @ 85 Hz, 68.6 KHz Yes Yes
35 1280 x 960 @ 50 Hz, 49.4 KHz Yes Yes
36 1280 x 960 @ 60 Hz, 59.7 KHz Yes Yes
37 1280 x 960 @ 75 Hz, 75.2 KHz Yes Yes
38 1280 x 1024 @ 50 Hz, 52.7 KHz Yes Yes
39 1280 x 1024 @ 60 Hz, 64.0 KHz Yes Yes
40 1280 x 1024 @ 75 Hz, 80.0 KHz Yes Yes
1. Tolerance ≥ ±2KHz.
2. Any timing not in the list, it should display as normal or show on “OUT OF RANGE” OSD
message without blanking.
3. The image quality of 85Hz mode might be worse than 75Hz.
1.4.2 Function Test Display Pattern
Item Test Content Pattern Specification Remark
1 Frequency & Tracking Fine Line Moire Eliminate visual wavy noise. Figure 1
2 Contrast/Brightness 16 Gray Scale
16 gray levels should be
distinguishable.
Figure 2
3 Boundary
Horizontal &
Vertical Thickness
Horizontal and Vertical position
of video should be adjustable to
be within the screen frame.
Figure 3
4
RGB Color
Performance
RGB Color
Intensities
Contrast of each R, G, B, color
should be normal.
Figure 4, 5, 6
5
Screen Uniformity &
Flicker
Full White
Should be compliant with the
spec.
Figure 7
6 Dead Pixel/Line
White Screen &
Dark Screen
The numbers of dead pixels
should be compliant with the
spec.
Figure 7, 8
7 White Balance
White & Black
Pattern
The screen must have the pure
white and black pattern, no
other color.
Figure 9
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