Christie Digital Systems Lwu420 Operating Guide

							29LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
PICTURE Menu
PICTURE Menu
From the PICTURE Menu, items shown in the table 
below can be performed. 
Select an item using the ▲/▼ cursor buttons on the 
projector or remote control, and press the ► cursor 
button on the projector or remote control, or the 
ENTER 
button on the remote control to execute the item. Then 
perform it according to the following table.
Item Description
BRIGHTNESSUsing the ▲/▼ buttons adjusts the brightness.
Light 
 Dark
CONTRASTUsing the ▲/▼ buttons adjusts the contrast.
Strong 
 Weak
GAMMAUsing the ▲/▼ buttons switches the gamma mode.
To adjust CUSTOM
Selecting a mode whose name includes 
CUSTOM and then pressing the ► button 
or the 
ENTER button displays a dialog to aid 
you in adjusting the mode. 
This function is useful when you want to 
change the brightness of particular tones.
Choose an item using the ◄/► buttons, and  
adjust the level using the ▲/▼ buttons.
You can display a test pattern for checking the effect of your 
adjustment by pressing the 
ENTER button. 
Each time you press the ENTER button, the pattern changes as 
below.
  No pattern 
 Gray scale of 9 steps 
     Ramp 
	 Gray scale of 15 steps
The eight equalizing bars correspond to eight tone levels of the test 
pattern (Gray scale of 9 steps) except the darkest in the left end. 
If you want to adjust the 2nd tone from left end on the test pattern, 
use the equalizing adjustment bar “1”. The darkest tone at the left 
end of the test pattern cannot be controlled with any of equalizing 
adjustment bar.
• When this function is performed, lines or other 
distortion may appear.
(continued on next page)
  
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							30LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
PICTURE Menu
PICTURE Menu (continued)
Item Description
COLOR TEMPUsing the ▲/▼ buttons switches the color temperature mode.
To adjust CUSTOM
Selecting a mode whose name includes 
CUSTOM and then pressing the ► button or the 
ENTER button displays a dialog to aid you in 
adjusting the OFFSET and GAIN of the selected 
mode.
OFFSET adjustments change the color intensity 
on the whole tones of the test pattern.
GAIN adjustments mainly affect color intensity 
on the brighter tones of the test pattern.
Choose an item using the ◄/► buttons, and adjust the level using 
the ▲/▼ buttons. 
You can display a test pattern for checking the effect of your 
adjustment by pressing the 
ENTER button.  
Each time you press the ENTER button, the pattern changes as 
below.
No pattern 
 Gray scale of 9 steps  
      Ramp 
	 Gray scale of 15 steps
• When this function is performed, lines or other 
distortion may appear.
COLORUsing the ▲/▼ buttons adjusts the strength of whole color.
Strong 
 Weak
• This item can be selected only for a video signal, s-video, 
component video or HDMI signal.
TINTUsing the ▲/▼ buttons adjusts the tint.
Greenish 
 Reddish
• This item can be selected only for a video signal, s-video, 
component video or HDMI signal.
SHARPNESSUsing the ▲/▼ buttons adjusts the sharpness.
Strong 
 Weak
• There may be some noise and/or the screen may flicker for a 
moment when an adjustment is made. This is not a malfunction.
(continued on next page)
#1 HIGH#1 CUSTOM#2 MID#2 CUSTOM#3 LOW 
#3 CUSTOM
#5 CUSTOM   
   #5 Hi-BRIGHT-2   
   #4 CUSTOM
#6 CUSTOM    
#6 Hi-BRIGHT-3#4 Hi-BRIGHT-1 
						

							31LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
PICTURE Menu
PICTURE Menu (continued)
Item Description
ACTIVE IRISUsing the ▲/▼ cursor buttons changes the active iris control mode.
PRESENTATION  
  THEATER  
  TURN OFF
               
Feature
PRESENTATIONThe active iris displays the best presentation 
image for both bright and dark scenes.
THEATERThe active iris displays the best theater image for 
both bright and dark scenes.
TURN OFF The active iris is always open.
• The screen may flicker when the PRESENTATION or THEATER 
modes are selected. If this occurs select TURN OFF.
MY MEMORY
This projector has 4 memories for adjustment data (for all the items 
of the PICTURE Menu).
Selecting a function using the ▲/▼ buttons and pressing the ► or 
ENTER button performs each function.
LOAD-1 
 LOAD-2 
 LOAD-3 
 LOAD-4
SAVE-4 
SAVE-3 
 SAVE-2 
 SAVE-1
LOAD-1, LOAD-2, LOAD-3, LOAD-4
Performing a LOAD function loads the data from the memory linked 
in the number included in the function’s name, and adjusts the 
picture automatically depending on the data. 
• The LOAD functions whose linked memory has no data are 
skipped.
• Remember that the current adjusted condition will be lost by 
loading data. If you want to keep the current adjustment, please 
save it before performing a LOAD function.
• There may be some noise and the screen may flicker for a 
moment when loading data. This is not malfunction.
• The LOAD functions can be also performed by the MY MEMORY 
button which can be set by the MY BUTTON item in OPTION Menu 
(
49).
SAVE-1, SAVE-2, SAVE-3, SAVE-4
Performing a SAVE function saves the current adjustment data into 
the memory linked in the number included in the function’s name. 
• Remember that the current data being stored of a memory will be 
lost by saving a new data into the memory. 
						

							32LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
IMAGE Menu
IMAGE Menu
From the IMAGE Menu, items shown in the table below 
can be performed.
Select an item using the ▲/▼ cursor buttons on the 
projector or remote control, and press the ► cursor button 
on the projector or remote control, or 
ENTER button on 
the remote control to execute the item. Then perform it 
according to the following table.
Item Description
ASPECTUsing the ▲/▼ buttons switches the mode for aspect ratio. 
For an RGB signal
NORMAL 
 4:3 
 16:9 
 16:10 
 REAL
         
For an HDMI signal
NORMAL 
 4:3 
 16:9 
 16:10 
 14:9 
 REAL
         
For a Video signal, S-video signal or Component video signal
4:3 
 16:9 
 16:10 
 14:9 
 REAL
     
For no signal
16:10 (fixed)
• The NORMAL mode keeps the original aspect ratio of the signal.
• 
Some input signals may not be displayed in the aspect ratio as 
selected in the menu. In this case, use the 
ASPECT button on the 
remote control to select other aspect ratio.
OVER SCANUsing the ▲/▼ buttons adjusts the over-scan ratio.
Large (It reduces picture) 
 Small (It magnifies picture)
• 
This item can be selected only for a video, s-video, component and HDMI signal.
V POSITIONUsing the ▲/▼ buttons adjusts the vertical position.
Up 
 Down
•
 Over-adjusting the vertical position may cause noise to appear on the screen. If this 
occurs, please reset the vertical position to the default setting. Pressing the RESET 
button when the V POSITION is selected will reset the V POSITION to the default setting.
• When this function is performed on a video signal, s-video signal, or component video 
signal of 480i@60 or 576i@50 input the range of this adjustment depends on the OVER 
SCAN 
(above) setting. It is not possible to adjust when the OVER SCAN is set to 10.
• This item cannot be selected for an HDMI signal.
H POSITIONUsing the ▲/▼ buttons adjusts the horizontal position.
Left 
 Right
• 
Over-adjusting the horizontal position may cause noise to appear on the screen. If this 
occurs, please reset the horizontal position to the default setting. Pressing the 
RESET 
button when the H POSITION is selected will reset the H POSITION to the default setting.
• When this function is performed on a video signal, s-video signal, or component video 
signal of 480i@60 or 576i@50 input the range of this adjustment depends on the OVER 
SCAN 
(above) setting. It is not possible to adjust when the OVER SCAN is set to 10.• This item cannot be selected for an HDMI signal.
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							33LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
IMAGE Menu
IMAGE Menu (continued)
Item Description
H PHASE
Using the ▲/▼ buttons adjusts the horizontal phase to eliminate flicker.
Right 
 Left
• This item can be selected only for an RGB signal or a component 
video signal. (except 480i@60, 576i@50, SCART RGB input. )
H SIZEUsing the ▲/▼ buttons adjusts the horizontal size.
Large 
 Small
• This item can be selected only for an RGB signal.
• When this adjustment is excessive, the picture may not be 
displayed correctly. In such a case, please reset the adjustment 
by pressing the 
RESET button on the remote control during this 
operation.
AUTO ADJUST 
EXECUTESelecting this item performs the automatic adjustment feature.
For an RGB signal
The vertical position, the horizontal position and the horizontal 
phase will be automatically adjusted. 
Make sure that the application window is set to its maximum size 
prior to attempting to use this feature. A dark picture may still be 
incorrectly adjusted. Use a bright picture when adjusting.
For a video signal and s-video signal
The video format best suited for the respective input signal will 
be selected automatically. This function is available only when 
the AUTO is selected for the VIDEO FORMAT item in the INPUT 
Menu (
35). The vertical position and horizontal position will be 
automatically set to the default.
For a component video signal
The vertical position, horizontal position and horizontal phase will 
be automatically set to the default.
• The automatic adjustment operation requires approx. 10 seconds. 
Also please note that it may not function correctly with some input. 
When this function is performed for a video signal, a certain extra 
such as a line may appear outside a picture.
• The items adjusted by this function may vary when the FINE or 
DISABLE is selected for the AUTO ADJUST item of the SERVICE 
item in the OPTION Menu (
50). 
						

							34LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
INPUT Menu
INPUT Menu
From the INPUT Menu, items shown in the table below 
can be performed.
Select an item using the ▲/▼ cursor buttons on the 
projector or remote control, and press the ► cursor 
button on the projector or remote control, or 
ENTER 
button on the remote control to execute the item. Then 
perform it according to the following table.
Item Description
PROGRESSIVEUsing the ▲/▼ buttons switches the progress mode.
TV 
 FILM 
 TURN OFF
  
• This function is performed only for an interlaced signal at 
the VIDEO or S-VIDEO input, and for 480i@60, 576i@50 or 
1080i@50/60 signal at the 
COMPONENT or HDMI input.
• When TV or FILM is selected, the screen image will be sharp. 
FILM adapts to the 2-3 Pull-Down conversion system. But these 
may cause a certain defect (for example, jagged line) of the picture 
for a quick moving object. In such a case, please select TURN OFF, 
even though the screen image may lose the sharpness.
VIDEO NRUsing the ▲/▼ buttons switches the noise reduction mode.
HIGH 
 MID 
 LOW
   
• This function is performed only for the VIDEO or S-VIDEO 
input, and for 480i@60, 576i@50 or 1080i@50/60 signal at the 
COMPONENT or HDMI input.
3D-YCSUsing the ▲/▼ buttons switches the 3D-YCS mode.
STILL 
 MOVIE 
 TURN OFF
     
• This function performs only at a VIDEO input of NTSC, and PAL.
• MOVIE is the mode for images with a lot of motions like movies, 
and STILL is the mode for images with few motions or completely 
still ones like slides.
COLOR SPACEUsing the ▲/▼ buttons switches the mode for color space.
AUTO 
 RGB 
 SMPTE240 
 REC709 
 REC601
      
• This item can be selected only for an RGB signal or a component 
video signal (except 480i@60, 576i@50 and SCART RGB).
• The AUTO mode automatically selects the optimum mode.
• The AUTO operation may not work well at some signals. In such a 
case, it might be good to select a suitable mode except AUTO.
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							35LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
INPUT Menu
INPUT Menu (continued)
Item Description
COMPONENTUsing the ▲/▼ buttons switches the function of the 
COMPONENT (Y, CB/PB, CR/PR) port.
COMPONENT 
 SCART RGB
When the SCART RGB is selected, the 
COMPONENT (Y, CB/PB, CR/PR) and VIDEO ports will function as a SCART RGB port. 
A SCART adapter or SCART cable is required for a SCART RGB 
input to the projector. For details, contact your dealer.
VIDEO FORMATSet the video format for the 
S-VIDEO port and VIDEO port.
(1) Use the ◄/► buttons to select the input port.
(2) Using the ▲/▼ buttons switches the mode 
for video format.
AUTO  
  NTSC  
  PAL  
  SECAM
      N-PAL 
 M-PAL 
 NTSC4.43 
• This item is performed only for a video signal 
from the 
VIDEO port or the S-VIDEO port.
• The AUTO mode automatically selects the optimum mode.
• The AUTO operation may not work well for some signals. If the 
picture becomes unstable (e.g. an irregular picture, lack of color), 
please select the mode according to the input signal.
HDMIUsing the ▲/▼ cursor buttons changes the HDMI signal mode.
AUTO 
 NORMAL 
 ENHANCED
     
Feature
AUTO Selecting the optimum mode automatically.
NORMAL Suitable for DVD signals (16-235)
ENHANCED Suitable for VGA signals (0-255)
• If the contrast of the screen image is too strong or too weak, try 
finding a more suitable mode.
VIDEOAUDIO IN 1
AUDIO IN 2
S-VIDEO
 R   L R   L
   AUDIO IN 3    AUDIO IN 4
CB/PBY
CR/PR
SCART OUT
Video G B R
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							36LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
INPUT Menu
INPUT Menu (continued)
Item Description
FRAME LOCKSet the frame lock function on/off for each port.
(1) Use the ▲/▼ buttons to select one of 
following ports.
QUIT 
 RGB1 
 RGB2 
 HDMI
    
(2) Use the ◄/► buttons to turns the frame 
lock function on/off .
TURN ON 
 TURN OFF
• This item can be performed only on a signal  
with a vertical frequency of 50 to 60 Hz.
• When the TURN ON is selected, moving pictures are displayed 
more smoothly.
RGB INSet the RGB input signal type for the 
RGB port.
(1) Use the ◄/► buttons to select the 
RGB 
port to be set.
RGB1 
 RGB2
(2) Use the ▲/▼ buttons to select the RGB 
input signal type.
AUTO 
 SYNC ON G OFF
• Selecting the AUTO mode allows you to input a sync on G signal 
or component signal from the port.
• In the AUTO mode, the picture may be distorted with certain 
input signals. In such a case, remove the signal connector so that 
no signal is received and select the SYNC ON G OFF, and then 
reconnect the signal.
(continued on next page) 
						

							37LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
INPUT Menu
INPUT Menu (continued)
Item Description
RESOLUTIONThe resolution for the 
RGB1 and RGB2 input signals can be set on 
this projector.
(1) In the INPUT Menu select the RESOLUTION using the ▲/▼ buttons and 
press the ► button.
The RESOLUTION menu will be displayed.
(2)  In the RESOLUTION menu select the 
resolution you wish to display using the ▲/▼ 
buttons. 
Selecting AUTO will set a resolution 
appropriate to the input signal.
(3) Pressing the ► or 
ENTER button when 
selecting a STANDARD resolution will 
automatically adjust the horizontal and 
vertical positions, clock phase and horizontal 
size.
 The INPUT-INFORMATION- dialog (
51) 
will be displayed.
(4) To set a custom resolution use the  
▲/▼ buttons to select the CUSTOM and 
the CUSTOM RESOLUTION BOX will be 
displayed. Set the horizontal (HORZ) and 
vertical (VERT) resolutions using the  
▲/▼/◄/► buttons.
It is not guaranteed to work this function 
properly on any resolutions.
(5) To save the setting place the cursor on the 
right-most digit and press the ► button.
The horizontal and vertical positions, clock 
phase and horizontal size will be automatically 
adjusted.
After the INPUT-INFORMATION- (
51) 
dialog has displayed for about 10 seconds the 
screen will return to the RESOLUTION menu 
displaying the changed resolution.
• 
After pressing the ► button, there may be no display or wrong images may 
be displayed. In this case, press the AUTO button on the remote control 
for about 3 seconds, or go to (6) below to restore the original resolution 
setting.The projector does not support the resolution that was set in the 
RESOLUTION_CUSTOM box. Change the resolution.
(6) To revert back to the previous resolution 
without saving changes place the cursor on 
the left-most digit and press the ◄ button.
The screen will then return to the RESOLUTION menu displaying the 
previous resolution.
• For some pictures, this function may not work well.
RESOLUTION menu
CUSTOM RESOLUTION 
BOX 
						

							38LWU420 User Manual-Operating Guide 020-000262-01 Rev. 1 (06-2010)
SETUP Menu
SETUP Menu
From the SETUP Menu, items shown in the table below 
can be performed.
Select an item using the ▲/▼ cursor buttons on the 
projector or remote control, and press the ► cursor button 
on the projector or remote control, or the 
ENTER button 
on the remote control to execute the item. Then perform it 
according to the following table.
Item Description
AUTO 
KEYSTONE 
EXECUTESelecting this item performs the Automatic keystone distortion 
correction. Projector automatically corrects vertical keystone 
distortion due to the (forward/backward) setup angle by itself.
This function will be executed only once when selected in the menu. 
When the slant of the projector is changed, execute this function 
again.
• The adjustable range of this function will vary among inputs. For 
some input, this function may not work well.
• When V:INVERT or H&V:INVERT is selected to the MIRROR item 
in the SETUP Menu, if the projector screen is inclined or angled 
downward, this function may not work correctly.
• When the zoom adjustment is set to the TELE (telephoto focus), 
this function may be excessive. This function should be used when 
the zoom adjustment is set to the full WIDE (wide-angle focus) 
whenever possible.
• When the projector is placed on the level (about ±3°), this function 
may not work.
• When the projector is inclined to near ±30 degree or over, this 
function may not work well.
• When the vertical lens shift is not set fully upward, this function 
may not work well.
• When the horizontal lens shift is not set to the center, this function 
may not work well.
• This function will be unavailable when the Transition Detector is 
on (
56) or the PERFECT FIT (39) is adjusted.
KEYSTONE 
Using the ▲/▼ buttons corrects the vertical keystone distortion.
Shrink the top of the image 
 Shrink the bottom of the image
• The adjustable range of this function will vary among inputs. For 
some input, this function may not work well.
• When the horizontal lens shift is not set to the center, this function 
may not work well.
• This function will be unavailable when the Transition Detector is 
on (
56) or the PERFECT FIT (39) is adjusted.
(continued on next page)