Mirage 2000 User Manual page 99

OPERATION
In All Projectors:
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Mirage 22000/4000/6000User's Manual
with radically adjusted primary colors, you may notice a slight posterized or banded
effect in images.—you may have to forfeit some color matching to eliminate this. 5)
Review primary colors upon installation of a new lamp.
Step 1: PRELIMINARY SETUP
1a) SET UP AND OPTIMIZE ALL PROJECTOR SETTINGS.
color temperature at this point, since it will be redefined when adjusting
primary colors, but do set up the projectors in every other aspect. Also make
sure that edges of adjacent screens lie very close to one another.
1b) ASSIGN PROJECTOR NUMBERS
unique 3-digit number (see Assigning a Projector #, previous page). You'll
then be able to switch between communicating with an individual projector
( ###) and broadcasting (
1c) DISPLAY 100% WHITE FIELD (INTERNAL)
white field test pattern.
Use of the internal white field is strongly recommended. If, however, you still
prefer to use an externally generated white field, set Contrast and Brightness
to 50 for each projector. Then, in the Input Levels menu, set input levels
correctly for each projector while displaying an external 256-step grayscale:
1. Enter a checkmark for the Auto Input Level option
2. Wait for the 6 values (blacklevels and drives) to stabilize.
3. Delete the checkmark and leave the Input Levels menu. Input
levels are now correct for this source. Switch to the external
white field for the remainder of this procedure.
NOTE: Avoid using a digital source (particularly YUV) for the white field.
1d) USE THE SAME LAMP POWER
(Power or Intensity). Set all to the same desired setting (default = maximum).
NOTE: Do not try to match the perceived light output at this point.
Step 2: ESTABLISH STARTING POINT FOR COLOR ADJUSTMENT
2a) ENABLE PRIMARY COLOR ADJUSTMENT:
menu ( Menu
Adjustment" checkbox so that primary color controls can be adjusted and
applied to the image. See Figure 3.38.
Figure 3.38. Enabling Primary Color Adjustment
. Make sure each projector is assigned a
) at any time.
. On each screen, display the internal
. Set all projectors to the same Lamp Mode
In the Adjust Primary Color (CSC)
), enter a checkmark in the "Use Primary Color
Note that you can ignore