Operation
VX-3000 Installation/Operation Manual
69
PRE
L
IMINAR
Y
ISF
To access the ISF Calibration menu, select ISF from the Main Menu and press
ENTER
.
Use the number buttons on the remote control to enter the ISF Calibration menu
passcode when prompted and press
ENTER
again. Then, press
MENU
on the remote
control.
Picture Memory/Copy Settings:
These settings are described in the
Picture Adjust
section (page 56).
Brightness/Contrast/Color/Tint/Sharpness/Color Temperature:
These settings are
described in the
Picture Adjust
section (refer to page 56).
White Balance:
To remove any trace of color from the white areas of the projected
image, select the “Custom 1” or “Custom 2” Color Temperature. Then, choose White
Balance from the ISF menu and press
ENTER
.
• Gain:
Use the Gain controls to correct color imbalances in the bright areas of the
image. A good way to do this is to use a test pattern consisting mostly of solid white
areas, such as an 80 IRE “window” pattern. If the white areas contain traces of red,
green or blue, decrease the Gain for that color.
• Offset:
Use the Offset controls in the White Balance sub-menu to correct color
imbalances in the dark areas of the image. A good way to do this is to use a test
pattern consisting mostly of dark gray areas, such as a 30 IRE “window” pattern. If the
gray areas contain traces of red, green or blue, decrease the Offset for that color.
The Gain controls increase or decrease the full-scale input range; the Offset controls
shift the entire range, resulting in a change in brightness. Figure 4-8 shows how the
Gain and Offset controls interact with each other.
Figure 4-8. Gain and Offset
ISF
Picture Memory
ISF Night
Copy Settings
>
Brightness
50
Contrast
50
Color
50
Tint
0
Sharpness
5
Color Temperature
6500
White Balance
>
Advanced Options
>
Reset to Defaults
This menu should be used by ISF-certified technicians only.
The Picture Memory selection you make here is retained when the
projector is powered off, then on again.
Note
Note
GAIN
1.0
0
0
1023
)
V(
E
G
N
A
R
T
U
P
NI
0.5
OFFSET = 0
OFFSET = 512
OFFSET = 1023
OFFSET = 0
OFFSET = 1023
OFFSET = 512
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