Operation
58
VX-3000 Installation/Operation Manual
PRE
L
IMINAR
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Select Brightness from the Picture Adjust menu and press
ENTER
. Adjust the level so
that:
• The darkest black bars disappear into the background.
• The dark gray areas are barely visible.
• The lighter gray areas are clearly visible.
• The white areas are a comfortable level of true white.
• The image contains only black, gray and white (no color).
Contrast:
On your external test pattern source, select a stepped, gray-bar pattern like the
one shown in Figure 4-3.
Figure 4-3. Typical Gray Bar Pattern for Adjusting Contrast
Select Contrast from the Picture Adjust menu and press
ENTER
. Adjust the contrast to a
point just below which the white rectangle starts to increase in size.
Brightness and Contrast controls are interactive. A change to one
may require a subtle change to the other in order to achieve the
optimum setting.
Note
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