Christie CineIPM-2K User Manual page 79

Achieving Brightness
Uniformity
Cine-IPM 2K User's Manual
020-100164-01 Rev. 1 (01/08)
Using the Color Saturation Menu for Color Matching
You may prefer to use
the Color Saturation
menu to match colors
across multiple screens.
In the three Color
Adjustment submenus
(Red, Green, Blue—see
right), set all main values
to 100 and the secondary
values to 0. Then judge
by eye and adjust the
slidebars as needed. Note
that adjustments here
define new x/y
coordinates in the Color
Adjustments by X,Y
menu.
WHAT IS BRIGHTNESS UNIFORMITY?
exceptionally smooth screen in which:
•
no area of the screen appears more red, green or blue than another
•
no area of the screen appears brighter than another
•
color and light output from one screen closely matches adjacent screens
Brightness Uniformity controls are most often used for tiled images in a display wall,
creating a uniform color "cast" and light output for each image and for the entire
wall. However, because the Cine-IPM 2K cannot control lamp power, lamp
adjustments from image-to-image must done on the display device itself (CP2000)
rather through Cine-IPM 2K software.
Before You Begin
Read through the entire procedure before attempting to adjust Brightness Uniformity
controls, and keep in mind the following checklist of prerequisites and guidelines:
ADJUST COLORS FIRST—
"Matching Colors in Multiple Screens" procedure (above) before attempting
to work with Brightness Uniformity. This ensures that primary colors, color
temperature, and maximized light output are all well-matched from one screen
to another. These matches are needed before you can achieve good Brightness
Uniformity results.
SET LAMP POWER—
is as high as possible for your application while still maintaining a good
overall match of light output from screen-to-screen. By nature, achieving a
Figure 3.30. Color Matching Using
Color Saturation Menu
Brightness Uniformity can create an
Always adjust the primary colors as described in the
In your CP2000s, make sure each "Lamp Power" setting
OPERATION
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