Section 3: Operation
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013-100199-04
Figure 3.7. Adjusting Input Levels Using the Peak Detector
(RED EXAMPLE SHOWN)
Advanced Image Settings
— SUBMENU
Use the
Advanced Image Settings
submenu
to make the adjustments necessary for lesser-
used but more specialized applications on
your projector.
GAMMA TABLE:
This control applies a default
video
,
graphics
or
simple
gamma table
or “curve” to your images, controlling the intensity of midlevel colors and producing
maximum contrast, brightness and color performance. As shown at right, the graphics
curve is a simple power curve while the video curve has a linear segment near black to
compensate for increased black levels typical of video signals. A simple gamma curve
is a value of 2.2 and is correct for most signal conditions. Although the projector
automatically applies either the graphics or video curve according to what type of
incoming signal is detected, in some cases you may wish to override this default and
use
graphics
gamma for a video source or
video
gamma for a graphics source.
Alternatively, if neither default is ideal, you
may prefer to apply the simple (non-
optimized) gamma curve or a user-defined
custom gamma curve that has been created
externally, named, and downloaded to the
projector (requires separate PC-based
Arbitrary Gamma
and
KoRE Librarian
software applications). If any of these special
user curves have been installed, their names will appear in the Gamma Table pull-
down list.
Keep in mind that any
Gamma Table
choice sets the related
Gamma
value (shown in
the
Image Settings
menu) to a 2.2 default, where it can be fine-tuned as desired.
Different values (1-3) here indicate that the original gamma table has been adjusted
with either the
Gamma
slide bar or direct key.
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