Christie Projector Mirage WU-L User Manual

							Section 3: Operation
Mirage WU-L User Manual3-33020-100774-01 Rev. 2 (4-2012)
• Baud Rate
Determines the speed of communication to and from the projector on the RS-232 or RS-422 links. The 
maximum rate for the RS-232 is 115200; for RS-422 it is 19200. Set the baud rate to match that of your 
controlling device, such as your PC. See the documentation for the controlling device to determine the baud 
rate. In an existing network of projectors, if you discover that a projector has a different baud rate, use the 
pull-down list and select the correct baud rate using the 
ENTER key. Do not scroll this control with LEFT 
arrow key or RIGHT arrow key. Serial communication is always 8 data bits, no parity.
• Serial Flow Control
Determines whether software flow control is used when transmitting and receiving data on the serial port. 
• Serial Mode
Select the serial data mode. The mode includes the number of bits, the parity and the number of stop bits.
• Serial Protocol
Select the protocol used on the serial communications port.
Projector Address
Displays the ID number assigned to the current projector. Enter a number up to 3 digits in length (such as 
“001”) to change the number.
The projector address enables you to communicate with a single projector within a multiple-projector 
application, for example when making adjustments to several projectors to create a seamless image. See the 
PROJ key described in 3.1 Using the IR Remote. 
Network Routing
NOTE: Not applicable for stand-alone 
projectors or simple serial networks with only 
one type of controller and linking.
• Separate
Select “Separate” (factory default) to keep 
RS-232, RS-422, and Ethernet messages on their respective paths instead of being broadcast to the other 
types of ports, see 2.6.1 Ethernet (Recommended), on page 2-12 and Mixed Serial Network (RS-232 and RS-
422), on page 2-15.
• RS-232 and RS-422 Joined
Messages originating from an RS-232 or RS-422 controller are relayed to all RS-232 or RS-422 ports. 
Ethernet communication are isolated on the Ethernet port.
• RS-232 and Ethernet Joined
Messages RS-232 and Ethernet ports are relayed to both RS-232 and Ethernet ports. RS-422 communica-
tions is isolated. In the case of multiple Ethernet sessions over the single Ethernet connector, input on the 
RS-232 port is relayed to all Ethernet sessions; however, input from any Ethernet session is only relayed to 
the RS-232 ports.
•All Joined
All messages reach all ports, regardless of type. In the case of multiple Ethernet sessions, input on one 
Ethernet session are relayed to all other Ethernet sessions as well as to the RS-232 and RS-422 ports.
 Figure 3-13  Network Routing List 
						

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Section 3: Operation
Ethernet Settings
Access: Main Menu > Configuration > Communication > Ethernet Settings.
NOTE: Recommended for Network Administrators only.
• IP Address
Enter a valid and unique IP address for use on the 
network to which the projector is currently connected. 
This address will overwrite any previous IP address 
such as the projector factory-defined default. It takes 
approximately 10 seconds for the projector to respond 
at its new address.
•TCP Port 
On some Ethernet networks, firewall restrictions may 
require that the port number of the projector be 
changed from its default of 3002. If so, enter a new valid port number here. It is highly recommended not to 
use a port # below 1000, as these ports are typically reserved for and used by common IP applications.
• Subnet Mask 
Subnet Mask determines the subnet mask for the IP address and must be set manually. 
• Gateway 
This is the IP address of the gateway used to reach any non-local IP addresses; it must be set manually.
•Host Name
Set the hostname for the device.
• Domain Name
Set the domain for the device.
• Mac Address 
Displays the MAC address of the projector (read-only).
Broadcast Keys
Use Broadcast Keys to relay all key presses received by the projector to all other projectors on the network.
Front IR Enabled
Check this option to enable the front IR sensor.
Wired Keypad Enabled
Check this option to use the wired keypad. 
						

							Section 3: Operation
Mirage WU-L User Manual3-35020-100774-01 Rev. 2 (4-2012)
Geometry & Color
From the Configuration menu, select the Geometry & Color 
submenu when you need to modify overall color performance 
and/or image geometry for all sources.
• Test Pattern 
Choose the desired internal test pattern, or select OFF to turn 
off a test pattern. Alternatively, use the 
TEST key for cycling 
through test patterns. 
• Geometry Correction
Keystoning is typically caused by tilting the projector in 
relation to the screen, so that the lens surface and screen are no 
longer parallel to each other. Use the projector menu options 
to make basic keystone adjustments appropriate for flat 
screens. For complex geometry correction, for example for 
spherical screen, see the TWIST User Manual (020-100143-
xx).
Settings to adjust keystone are in the Geometry 
Correction submenu. Brightness Uniformity, 
Edge Blending and Black Level Blending should 
be disabled before performing keystone 
adjustments. 
Vertical keystone is used to correct a keystoned 
image shape in which the top and bottom borders 
of the image are unequal in length, and both sides 
of the image are inclined toward the top or bottom 
edge, see Figure 3-14.
Horizontal keystone is used to correct a keystoned image shape in which the left and right borders of the image 
are unequal in length, and the top and bottom are slanted to one of the sides. See Figure 3-15.
 Figure 3-14  - Vertical Keystone
 Figure 3-15  - Horizontal Keystone 
						

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Section 3: Operation
• 2D Keystone Cursor Offsets
Use these settings to move the cursor in from the corner 
point when a projector is overshooting and the cursors 
for adjustment are not visible. Move the cursors in from 
the corners and make the keystone adjustments in the 
normal way.
Adjusting an Image for Keystone Distortion
1. Enable keystone adjustments by selecting 
Keystone from the Geometry Correction drop-
down list.
NOTE: This will enable the controls for performing 1D or 2D keystone adjustments.
2. Select a Test Pattern. 
NOTE: The Grid test pattern is recommended.
3. Perform coarse keystone adjustment by using the Horizontal or Vertical Adjust setting. Use the 
LEFT and 
RIGHT arrow keys to make the adjustment. 
NOTES: 1) If Vertical Keystone adjustments have been made, starting to do any Horizontal Keystone 
adjustments will erase the Vertical settings, and vice versa. 2) The corner cursors are a guide as to how 
the image will be adjusted. The outside edge of a cursor will be the outside edge of the image. It may not be 
possible to exactly match the screen dimensions with the Horizontal and Vertical Keystone controls, but 
these settings can be refined when the 2D keystone settings are adjusted. 
4. When adjustment of the corners is complete, select 
OK. 
NOTE: A message will be displayed indicating that the projector is “Processing request”. The settings are 
applied to the displayed image, and will take approximately 10 seconds. 
5. After the Horizontal or Vertical adjustments have been made, selecting 2D Keystone adjustments will 
retain these settings. Fine adjustment can now be made by moving any single corner separately. 
6. Use the arrow keys to move to the required corner. 
NOTE: The current corner will be displayed in red.
7. Press 
ENTER to select the corner. 
NOTE: The current corner will be displayed in green.
8. Use the arrow keys to move the selected corner to match the screen.
9. Press 
ENTER again, to save that position for the corner.
10. Repeat steps 6 to 9 to adjust all 4 corners until they match the screen.
11. Select 
OK to apply the new corner positions to the image. 
NOTE: A message will be displayed for approximately 10 seconds indicating that the projector is 
“Processing request”. 
Under certain combinations of extreme keystone co-ordinates and specific signal frequency, a keystoned image 
may result that is outside the bandwidth limitations of the projector. When attempting to apply the keystone 
settings, a message will pop up on the OSD, indicating that the bandwidth has been exceeded and the keystone 
cannot be applied. The cursor co-ordinates for keystone adjustment will remain at the failed keystone position. 
This will allow the user to make minor changes and attempt to reapply the corner settings. Either the co-
ordinates must be adjusted, or the free run frequency must be changed to fall within the allowed bandwidth. 
						

							Section 3: Operation
Mirage WU-L User Manual3-37020-100774-01 Rev. 2 (4-2012)
The Func+Help key combination will immediately disable the Keystone, Brightness Uniformity, Edge 
Blending and Black Level Blending features. This is helpful when, in some extreme keystone configurations, 
some image corruption may appear and/or the menus may not be readable. Although Func + Help
 disables 
these features, it will not overwrite their settings. If keystone is simply enabled again, the same image 
corruption may occur. After pressing Func + Help
, it is recommend to immediately “Reset Keystone 
Settings”, which will set all keystone co-ordinates to zero.
Brightness Uniformity
Brightness Uniformity provides further 
refinement of displays already matched for 
their primary colors and overall light output. 
Use the Brightness Uniformity menu 
options for basic adjustments so that no area 
appears brighter than another. In the 
Brightness Uniformity menu, enable the 
Brightness Uniformity Enable check box to 
access a multitude of adjustments for light 
output control in specific areas throughout 
the image. Your settings apply as long as the 
Brightness Uniformity Enable check box is 
enabled. 
While making adjustments, enable the 
Coarse Adjustment check box to apply 
Brightness Uniformity settings with a large 
granularity. Coarse Adjustment helps 
identify brightness changes and accelerates 
projector response time while adjusting 
settings. To disable the Brightness 
Uniformity function, delete the Brightness 
Uniformity Enable check mark. 
To correct brightness uniformity for a 
complex screen setup, see the TWIST User Manual (020-100143-xx).
When used to refine screens already matched for their primary colors and overall light output, proper 
adjustment of Brightness Uniformity can create an exceptionally smooth screen in which:
• No area of the screen appears brighter than another
• Light output from one screen closely matches adjacent screens
Although the Brightness Uniformity control can be used for a stand-alone projector, it is particularly useful 
for setting up and maintaining tiled images that form a cohesive display wall in which the color “cast” and light 
output appear uniform throughout each image as well as throughout the entire wall. The procedure provided 
here assumes a multiple-screen application.
NOTE: For information about the Eye Motion Filter fields, see Noise Reduction on page 3-27. 
						

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Section 3: Operation
IMPORTANT: Read through the entire procedure before attempting to adjust the brightness 
uniformity controls. 
Adjust Brightness Uniformity
1. Adjust the primary colors as described in Adjust Projected White and Primary Colors for the Array on 
page 3-56 procedure, 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. 
IMPORTANT! Double-check that all WHITES and LIGHT OUTPUT are well-matched.
2. Select the Brightness Uniformity check box. This will enable access to the uniformity controls and will 
apply the settings to your image.
3. Select the 13-Point test pattern for Full White for display. The 
13-Point test pattern provides nine screen “zones” with 13 
targets, see Figure 3-16. 
4. Determine by eye or meter which areas need to be adjusted.
For Best Results
. Rather than examining the CENTER of each 
zone when assessing Brightness Uniformity adjustments focus 
on extreme EDGES as indicated in the illustration at right.
5. Enable Coarse Adjustment to quickly apply display changes 
without redrawing the whole image.
6. Use sliders to achieve relative uniformity in the necessary zone.
7. Disable Coarse Adjustment to accurately display changes as 
you make them.
8. Use sliders for fine adjustment as necessary in the required zones.
9. Adjust overall gain to ensure that overall light output remains well matched from one screen center to the 
next.
Cancel Brightness Uniformity
If you do not want to use or apply Brightness Uniformity settings, clear the Uniformity Enable check box at 
the top of the Brightness Uniformity menu.
Edge Blending
The Edge Blending submenu provides a range of basic controls for smoothing together the overlapping bright 
edges of multiple adjacent projected images to create a single larger “seamless” image. These controls, which 
primarily affect white levels, are typically used in conjunction with mechanical lens blinders (optional), which 
are installed on the front of the projector and which primarily affect black levels. Brightness uniformity 
adjustment, if desired, should be performed first. The Edge Blend or Grid test pattern is useful for the 
mechanical setup of the projectors. If necessary, adjust Black Level Blending first with the Black test pattern, 
then use the White test pattern to blend the white levels on the blend edges. The final step is to check the 
blended image with an external source.There is a centerline (both horizontal and vertical) in the Edge Blending 
test pattern. The intersection of these lines is the true center of the projector display area.
 Figure 3-16  13-Point Test Pattern 
						

							Section 3: Operation
Mirage WU-L User Manual3-39020-100774-01 Rev. 2 (4-2012)
The Show Blending Overlap control enables or disables edge blending 
overlap. When enabled, this will make the size of the Edge Blending regions 
obvious. This control should only be used during setup.
For information about advanced blending of complex configurations, for 
example with spherical screens, see the TWIST User Manual (020-100143-xx).
In simple terms, a blend appears as a gradient strip along an edge of a projected 
image. It is darkest along the extreme edge of the image, and lightens nearer to 
the rest of the image (Figure 3-17).
How Are Blends Used?
In multiple-projector walls, complementary 
blends between neighboring images can 
compensate for the extra “brightness” or 
intensity where these edges overlap. By 
controlling blend width and other properties, 
you can achieve uniformity across the group 
of images. Visible overlaps disappear 
(Figure 3-18). For best results, use the same 
projector model and type throughout your 
display wall. In addition, avoid high-gain 
screens whenever possible; the optical performance of such screens demands minimal image offset, so 
projectors must be located very close to one another.
Edge blending software controls are located in the Edge Blending submenu, which can be accessed using 
Configuration > Geometry & Color > Edge Blending. The Advanced Edge Blending option opens to the 
second page of the Edge Blending submenu.
Edge Blending Menu
Use edge blending controls to set the precise 
width, shape, and midpoint you need to blend 
overlapping edges together smoothly.
NOTE: For information about advanced blending 
of complex configurations, for example with 
spherical screens, see the TWIST User Manual 
(020-100143-xx).
Blend Width
Determines how much area is used for blending 
along an overlapping edge. Slide bar values 
represent the number of pixels used for the 
blend. For example:
• A setting of 8 creates a blended edge 8 
pixels wide. 
• A setting of “0” signifies no blending. 
For best results in most applications, use a blend width of 12-25% (for example with a screen size of 
1920 × 1200, 230-480 pixels). NOTE: Ranges: 0-960 horizontal, 0-600 vertical.
Figure 3-17  Edge Blending
 Figure 3-18  Edge Blending Concept 
						

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Section 3: Operation
Show Blending Overlap 
Turns your defined blend width area to solid gray so that, if needed, simply overlapping the gray bars can 
seamlessly align 2 adjacent images. Clear the Show Blending Overlap check box to reactivate the blend 
effect. 
Other Functions
For convenience, the Edge Blending submenu also includes related options for enabling a test pattern. Such 
functions duplicate those provided elsewhere in the menu system.
Advanced Edge Blending Controls
Use advanced edge blending controls to 
more finely control the blend curve.
Blend Shape 
Determines the rate of roll-off across the 
blend width, i.e. how quickly the white 
levels across the blend change from light 
and dark. Increasing the Blend Shape 
setting accelerates the rate of change at 
both extremes so that less of the region 
appears mid-gray. Decreasing the Blend 
Shape setting slows the rate of change so 
that more of the region appears mid-gray. 
For most applications, this subtle control 
is best left close to 50. 
Blend Midpoint 
Determines the white level at the blend midpoint (the point equidistant between the beginning and end of the 
blend). Increasing the Blend Midpoint setting creates a blend that appears brighter than the rest of the 
image. Decreasing the Blend Midpoint setting creates a blend that is darker than the rest of the image. A 
setting of 50 means the midpoint is approximately 50% black; for best results in most applications, keep 
fairly close to this default. 
Edge Blending Procedure
NOTES: 1) Before attempting to work with edge blending software functions, align the projectors/images by 
correctly overlapping the displays from your intended external source. 2) Match colors and the brightness 
uniformity.
NOTICE: For a shared edge, all blend procedures and settings should be identical on both projectors.
1. Start with 2 projectors. Display full white field test pattern from both.
2. In the Edge Blending submenu, enable Edge Blending by selecting Standard for non-warped images.
3.Set Starting Points For Adjustment.
a. Set all blend widths to 0.
b. Go to Advanced Edge Blending and set all options to 50.
4.Set Blend Width
. On one projector, increase the Blend Width for an overlapping edge (for example, if the 
projector image is on left, its right edge overlaps the adjacent image by adjusting Right Blend Width). 
Use the same setting on the second projector for this shared edge. 
						

							Section 3: Operation
Mirage WU-L User Manual3-41020-100774-01 Rev. 2 (4-2012)
5. Re-adjust width (both projectors) until the overly bright band at the midpoint of the overlapping blends 
disappears or just changes to very light gray. For the shared edge, use the same Blend Width setting on 
each projector. 
NOTE: If the best blend appears to be between 2 settings, choose the wider setting for both projectors.
6. Check the blend and adjust as required: 
• To lighten the overall blend, increase the Blend Midpoint in both projectors.
• To darken the overall blend, decrease the Blend Midpoint in both projectors.
• To fine-tune the amount of mid-gray intensity (as opposed to black/white) in the blend, adjust Blend 
Shape in both projectors.
7. Repeat with remaining projectors/overlaps.
8. Check completed display wall with the desired external signal.
9. If necessary, adjust the mechanical alignment to maintain perfect pixel-on-pixel alignment over time.
In applications where you are projecting only white or light images, the Blend Width may be slightly higher; 
set according to how much overlap you have between images. 
NOTE: Recommended overlap is 12.5%–25%.
Array Color Target
See Array Color Target on page 3-48.
Projector Color Adjustment
See Projector Color Adjustment on page 3-50.
Black Level Blending
Brightens the center regions to match 
adjacent blend regions when edge blending 
multiple projectors. The Black Level 
Blending submenu provides controls that 
allow you to adjust the black level hues of 
multiple adjacent projected images to create 
one large seamless display. 
NOTES: 1) Adjust edge blending before 
adjusting black levels. 2) Blinders are 
recommended for fixed installations. 3) Do 
not use black level blending if TWIST was 
used for the geometry.
Black Level Blending Procedure
NOTES: 1) Adjust edge blending before 
adjusting black levels. 2) The zones in Black 
Level Blending menu correspond to the Edge 
Blend zones. If a given Edge Blend zone width 
is set to 0 (i.e. no blend on that side), then the 
corresponding BLB zone is disabled. It only 
becomes accessible when that Edge Blend 
zone is active. 
						

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Section 3: Operation
1. Start with 2 projectors. Select the black test pattern for both projectors from the Geometry & Color 
submenu.
2. In the Black Level Blending submenu, enable black blending.
3. Set the blend width.
4. Working with one projector at a time, use the center brightness slidebar to adjust the center brightnesss 
(brightness of the non-blended region) so that the center intensity matches that of the brightest blended 
region (the center of all images when blending a 2 x 2 display is the target area).
5. You can choose which of the next 4 options, Top, Bottom, Left, Right, to use depending on which edge of 
the projector you are working with has been edge blended. The blend width can be adjusted to line up 
properly but by default it corresponds to the edge blending setting determined for that edge. 
6. The brightness and black hues of the blended region can be adjusted in more detail in case fine-tuning is 
needed (may be necessary only for blending a 2 x 2 projector display because of blending differences for 
the sides and center).
NOTES: 1) The menu options vary depending on the edge blending parameters. 2) You may need to re-adjust 
the black level brightnesses following the overlap adjustments on each blended edge. 3) When adjusting 6 or 
more projectors, you need to ensure that the hue and brightness of each target area is matched at closely as 
possible.
Manual RGB Adjustment
 These adjustments can turn on 
multiple RGB LEDs simultaneously, which uses 
more power and increases the possibility of 
overheating.
The Manual RGB Adjustment menu lets you 
manually adjust the native projector color space by 
adjusting the LED power levels. The brightness of 
unsaturated colors can be significantly increased by 
turning on multiple RGB LEDs simultaneously.
Interaction with ColorLOC
When Bright/ColorLOC is OFF or in Fixed mode, 
these adjustments can be used to define the color 
gamut. In Cool or Bright mode, the projector 
automatically moderates the LED power level to 
maintain the color gamut selected through the Array 
Color Target menu. See How Color Settings Interact 
in a Mirage WU-L Array on page 3-61.