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There are 4 sets of gamma curves: Standard (ST), Enhanced
SIM2 (EN) and Graphics (GR), User. The Standard curve has
been defined for general use, and is set for videocameras,
digital cameras, and for viewing films or photos on your PC. The
Enhanced set is suitable for watching movies. The Graphics set
is suited to displaying synthetic graphics (PC, CAD, PC presenta-
tions, etc.). User enables you to define your own curve. You can
thus select the coefficient which determines the curve.
ST1 For general use
ST2
ST3
ST4
ST5
EN1 Suited to displaying images from videoca-
meras, digital cameras or TV studios in high
ambient light.
EN2 Suited to displaying images from videoca-
meras, digital cameras or TV studios in low
ambient light.
EN3 Suited to displaying cinematographic material
in high ambient.
EN4 Suited to displaying cinematographic material
in moderate ambient.
EN5 Suited to displaying cinematographic material
in controlled ambient light.
G1 Suited to displaying graphic images (e.g. Win-
dows desktop) in moderate ambient light.
G2 Suited to displaying graphic images in mode-
rate controlled light.
Table 5 - Gamma correction settings
Gamma functions
Standard
Gamma functions
Enhanced SIM2
Gamma
functions
Graphics
The colour temperature is constant on the vertical lines, but is
more or less different from the black body curve. This means
that the higher points of the graph are more green. On the
contrary, the lower points of the graphic yield a more purple
image.
GAMMA CORRECTION
Determines the system’s response to the grey scale, empha-
sising or attenuating the different grades of brightness (blacks,
dark, medium, light grey, whites) in the projected image.
The projector has a range of gamma functions which enable
you to display any image to the best effect for the type of
video source, the ambient lighting and your subjective pre-
ferences.
)NFINITY
8
9
Fig. 23
Green
Blue
Red
Fig. 24
x= 0,282
y= 0.320
T= 8700K
= 0,015
x
y
uv