15
ViewSonic Corporation
Confidential - Do Not Copy
VG921m-2
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
Fine Line Morie Pattern (Figure1)
Gray Scale Pattern (Figure2)
Horizontal & Vertical Thickness Pattern
(Figure 3)
R. Color Pattern (Figure 4)
Содержание VG921m-2
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