LG Dx540 User Manual

							Names of parts
11
Accessories
Optional Extras 
POWER
MENU
SOURCE
AUTO
BLANK ARC
STILLOKKEYSTONE
KEYSTONELASERTIMER
* Contact your dealer to purchase these items.
* When applying a ceiling installer, use only the ceiling installer for projector.
* Contact your service personnel for replacing of lamp.Remote Control
Power Cord 
Video Cable
Owner’s manual
Computer Cable
SCART to RCA jackLamp 
S-Video Cable Projection Screen 
1.5V1.5V
2 Batteries
Ceiling installer for projector
DVI-D CableComponent CableCD Owner’s manual
Lens cap and Strap
RS-232C CableRCA to D-Sub Adapter
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							Installing and Composition
12
Installing and Composition
Provide proper ventilation for this projector.
The projector is equipped with ventilationholes(intake)
on the bottom and ventilation holes(exhaust) on the front.
Do not block or place anything near these holes, or inter-
nal heat build-up may occur, causing picture degradation
or damage to the projector.
Place this projector in adequate temperature and humidity conditions.
Install this projector only in a location where adequate temperature and humidity is available. (refer p.39)
Do not place the projector on a carpet, rug or other
similar surface. It may prevent a adequate ventila-
tion of the projector bottom. This product should be
mounted to a wall or ceiling only.
*Don’t place the projector in the following conditions. It may cause malfunction or product damage.
Never push projector or spill any kind of liquid into the
projector.Leave an adequate distance(30cm/12 inches or
more) around the projector.
Don’t place the projector where it can be covered with dust.
This may cause overheating of the projector.
Do not obstruct the slots and openings of the projector. This may cause overheating and create a fire
hazard.
The projector is manufactured using high-precision technology. You may, however, see tiny black points
and/or bright points (red, blue, or green) that continuously appear on the projector Screen. This is a nor-
mal result of the manufacturing process and does not indicate a malfunction.
To display DTV programs, it is necessary to purchase a DTV receiver (Set-top Box) and connect it to the
projector.
Installation Instructions
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							Installing and Composition
13
1. Place the projector on a sturdy and horizontal surface with the PC or AV source.
2. Place the projector with the desired distance from the screen. The distance between the projector and the screen
determines the actual size of the image. 
3. Position the projector so that the lens is set at a right angle to the screen. If the projector is not set at a right angle, the
screen image will be crooked. If this is so then the keystone adjustment may correct this (Refer to page 26.).
4. Connect the cables of the projector to a wall power socket and other connected sources.
projection distance based on the picture format
Projection distance (D)Projection off-set ratio:100%
100mm
Projection distance (D)
Basic Operation of the Projector
* The longest/shortest distance
show status when adjusted by
the zoom function. Screen
Screen height (X)
X/2
X/2
Y/2
Y/2
Screen
Screen Width (Y)
4 : 3 Scale
Image Projection Distance
Diagonal Size
(inch)Diagonal Size
(mm)Horizontal Size
(mm)Vertical Size
(mm)Wide Distance
(mm)Tele Distance
(mm)
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							Installing and Composition
14
The projector has a ‘Kensington’Security System Connector on the side panel. Connect the ‘Kensington’
Security System cable as below.
For the detailed installation and use of the Kensington Security System, refer to the user’s guide attached
to the Kensington Security System set. 
And for further information, contact http://www.kensington.com, the internet homepage of the
Kensington company that deals with expensive electronic equipment such as notebook PCs or projec-
tors.
 Kensington Security System is an optional item.
Using Kensington Security System
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							Installing and Composition
15
* Do not disconnect the power cord during the suction/discharge fan in operation. If the power cord is disconnected during the
suction/ discharge fan in operation, it may takes longer to activate the lamp after turning on the power and the lifespan of the
lamp may be shortened. 
Turning on the Projector
Turning off the Projector
1. Connect power cord correctly.
2. Remove the lens cap. If it is left on, it could become deformed due to the heat produced by
the projection lamp.
3. Press the POWERbutton on the remote control or top cover.
(Green operation indicator flashes if lamp is in start-up cycle.)
An image will appear after the operation indicator light turns (Green).Select the source mode with the SOURCE button.
1. Press the POWERbutton on the top cover or remote control.
2. Press the POWERbutton on the top cover or remote control again to turn off the power.
3. If the operation indicator LED is orange and blinking, do not disconnect(10 sec.) the supply until
the operation indicator LED is lit constantly (orange).
If the operation indicator LED is  orange and blinking, the power button on the top cover or on the remote control will not 
operate.
This projector features the Quick Power On/Off function that allows a user to turn it on and off quickly.
Power off? 
Please press Power key again.
* What is the Quick Power On/Offfunction?
The projector enters into Standby mode without waiting it is cooled.
If Standby mode continues for a certain amount of time, the projector can operate without cooling when it is turned on.
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							Installing and Composition
16
1. While pressing the foot adjusting button, raise or lower the projector to place the screen image in the proper position.
2. Release the button to lock the foot in its new position.
3. Turn the foot at the back left or right to make a fine tune of the length of the projector. 
After raising the front foot, do not press down on the projector.
When an image appears on the screen, check if it is in focus and fits well to the screen.
To adjust the focus of the image, rotate the focus ring which is the outer ring on the lens.To adjust the size of the image, rotate the zoom ring which is the inner ring on the lens.
Focus ring Zoom ring
Focus and Position of the Screen Image
Selecting source mode
1. Press the SOURCEbutton.
2. Each press of the F, Gbutton changes the display as below.
RGBF
GSelect                       OK
To raise or lower the image on the screen, extend or retract the foot at the bottom of the projector
by pushing foot adjusting button as below.
RGBDVI
VideoComponentS-Video
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							Connection
17
Connection
Connecting to a Desktop PC
* You can connect the projector to a computer of VGA, SVGA, XGA and SXGA output. 
* Refer to page 35 for the supported monitor displays of the projector.
< How to connect >
Connect computer cable to RGB INof the projector.
Connecting to a Notebook PC
< How to connect >
Connect computer cable to RGB INof the projector.
* If you set your computer to output the signal to both the
display of your computer and the external projector, the
picture of the external projector may not appear properly.
In such cases, set the output mode of your computer to
output the signal only to the external projector. For
details, refer to the operating instructions supplied with
your computer.
Connecting to a Video Source
< How to connect 1 >
a. Connect the Video input jacks of the projector to the output
jacks of the A/V source with Video cable. 
< How to connect 2 >
b. Connect the S-Video input jack of the projector to the 
S-Video output jack of an A/V source with an S-Video cable.  
* You can get better picture quality when connecting 
S-Video source to the projector.
S VIDEO
(R) AUDIO (L)       VIDEO
OUT
IN
* You can connect a VTR, a camcorder or any other compatible video image source to the projector.

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							Connection
18
Connecting to a DVD
< How to connect >
a. Connect the DVD Component cable to the RCA to D-Sub 
Adapterand then connect the RCA to D-Sub Adapterto 
RGB INof the projector.  
* When connecting the component cable, match the jack colors
with the component cable.(Y=green, PB=blue, PR=red)
b. Only when the DVD device has the DVI-D terminal, the DVI
mode can be set. 
PRPBY(R) AUDIO (L) 
* The output jacks (Y, PB, PR) of the DVD might be labeled as Y, Pb, Pr / Y, B-Y, R-Y / Y, Cb, Cr according to the equipment.

Component cable
DVI-D Cable
Connecting to a D-TV Set-Top Box
< How to connect an RGB source >
a. Connect Computer cable to RGB INof the projector.
b. Use a DTV receiver with DTV 480p(576p)/720p/1080i mode.
< How to connect a DVI source >
a. Connect the DVIterminal of the projector to the DVIoutput
terminal of the D-TV Set-Top Box via DVI-D cable.
b. Use a DTV receiver with DTV 480p(576p)/720p/1080i mode.
(R) AUDIO (L) DTV OUTPUTDVI OUTPUTPRPBYHDMI OUTPUT
* To receive D-TV programmes, it is necessary to purchase a D-TV receiver (Set-Top Box) and connect it to the projector. 
* Please refer to the owners manual of the D-TV Set-Top Box for the connection between projector and D-TV Set-Top Box.

Component cable< How to connect a Component source >
a. Connect the D-TV Set-Top Box Component cable to the 
RCA to D-Sub Adapterand then connect the RCA to D-
Sub Adapterto RGB INof the projector.  
* When connecting the component cable, match the jack colors 
with the component cable.(Y=green, PB=blue, PR=red)(R) AUDIO (L) DTV OUTPUTDVI OUTPUTPRPBYHDMI OUTPUT
Signal
480i
480p
720p
1080i
576i
576pComponent
O
O
O
O
O
ORGB/DTV
X
O
O
O
X
OHDMI/DVI
X
O
O
O
X
O


Computer Cable
RCA to D-Sub adapter RCA to D-Sub adapter
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							Function
19
Function
Video Menu Options
* In this manual, the OSD(On Screen Display) may be different from your Projector’s because it is just an example to
help with the Projector operation.
* This operating guide explains operation of RGB(PC) mode mainly.
1. Press the MENUbutton and then use F, Gbutton to select the        menu.
2. Press the 
D, Ebutton to select a video item you want to adjust.
3. Press the 
F, Gbutton to adjust the screen condition as you want.
< RGB mode >
< Video mode >
Each adjustment of       menu options will not affect other inputs. 
As required, re-adjust        menu options for the input sources.
To restore the original image condition after changing it, press AOKbutton 
after selecting [Reset] item.
When receiving an NTSC signal, the picture item Tintis displayed and can 
be adjusted.(60Hz only)
To exit the menu display, repeatedly, press the MENUbutton.
Adjusting Video 
1. Press the MENUbutton and then use F, Gbutton to select the         menu.
2. Press the  
D, Ebutton to selectAPCitem.
3. Press the 
F, Gbutton to adjust the screen condition as you want.
APC (Auto Picture Control)
* Use APC to set the projector for the best picture appearance.
* This function will not work at the DVI mode.
Each press of theF, Gbutton changes the screen as shown below.
 To exit the menu display, repeatedly press the MENUbutton. Clear
SoftUser
APC
Contrast               80
Brightness            50
Color                    50
Sharpness            50
Tint                                0FGClear
APC
Contrast               80
Brightness            50
Color                    50
Sharpness            50
Tint                                0FGClear
Contrast 50
Brightness            50
Color R                50
Color G                50
Color B                50
Reset
MENU Exit          Move           OKFG
MENU Exit          Move           OKFG
MENU Prev.          Move          SelectD
EFG
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							Function
20
1. Press the MENUbutton and then use F, Gbutton to select the         menu.
2. Press the  
D, Ebutton to selectColor temp.item.
3. Press the 
F, Gbutton to make desired adjustments.
Color Temperature Control
Each press of the F, Gbutton changes the screen as shown below.
 To exit the menu display, repeatedly press the MENUbutton. Medium
WarmNatural
- To initialize values (reset to default settings), select the Mediumoption.
1. Press the MENUbutton and then use F, Gbutton to select the         menu.
2. Press the  
D, Ebutton to selectSmart pictureitem.
3. Press the  
F, Gbutton to adjust the screen condition as required.
Smart picture Function
Each press of the F, Gbutton changes the screen as shown below.
 To exit the menu display, repeatedly press the MENUbutton.
NormalSportsPresentation
Color temp.
Smart picture
Gamma curve shift
Brilliant color 
TM
White peaking 10
Black level
Expert Color
Reset
FGMedium
FGNormal
FGOn
MENU Prev.          Move          SelectD
EFG
GameFilm
1. Press the MENUbutton and then use F, Gbutton to select the         menu.
2. Press the  
D, Ebutton to selectGamma curve shiftitem.
3. Press the 
AOKbutton.
4. When the window below appears, press 
D, Ebutton to move between the
items and the 
F, G buttons to adjust the screen as you want.
Gamma curve shift Red, Green, Bluecan be adjusted between -20 and 20.To exit the menu display, repeatedly press the MENUbutton.
Gamma curve shift Function
Gamma curve shift Red      0
Gamma curve shift Green   0
Gamma curve shift Blue 0
Reset
Prev.            Move               AdjustD
EFG
- This function shifts the gamma curves for Red, Green and Blue individually to
adjust brightness.
FGHigh
Color temp.
Smart picture
Gamma curve shift
Brilliant color 
TM
White peaking 10
Black level
Expert Color
Reset
FGMedium
FGNormal
FGOn
MENU Prev.          Move          SelectD
EFG
FGHigh
Color temp.
Smart picture
Gamma curve shift
Brilliant color 
TM
White peaking 10
Black level
Expert Color
Reset
FGMedium
FGNormal
FGOn
MENU Prev.          Move          OKD
E
FGHigh
Press OK Key
Cool
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