LG Dx 125 User Manual

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 15 –
 
Connecting Input Devices 
A PC or notebook computer as well as video devices can be connected to the projector at the same 
time. Video devices include DVD, VCD, and VHS players, as well as movie camcorders and digital 
still cameras. Check the user manual of the connecting device to confirm it has the appropriate output 
connector.  
ABCDE
D VI-IUSB AUDIO
S-VIDEO VIDEO 
ITEM LABEL DESCRIPTION 
DVI-I  Connect the supplied computer cable from a computer. 
DVI-I +  
DVI-to-RGB 
adapter Connect the DVI-to-RGB adapter to the DVI-I connector. 
Connect a VGA cable from a computer to the DVI-to-RGB adapter. 
A DVI-I +  
DVI-to-YPbPr 
adapter Connect the DVI-to-YPbPr adapter to the DVI-I connector. 
Connect a component video cable from a video device to the DVI-to-
YPbPr adapter. 
B 
Video  Connect a composite video cable from a video device. 
C 
S-video  Connect the supplied S-video cable from a video device. 
D 
Audio-in  Connect an audio cable (not supplied) from the computer’s audio-out con-
nector. 
Connect an audio cable - mini jack-to-RCA x 2(not supplied) from a video 
device.  
E 
USB  Connect the supplied USB cable from a computer. 
Warning: As a safety precaution, disconnect all power to the projector and connecting devices before making connections. 
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–
 16 – 
Starting and Shutting down the Projector 
1.  Connect the power cord to the projector. 
Connect the other end to a wall outlet. 
The POWER and READY LEDs on the 
projector turn on. 
2.  Turn on the connected devices. 
 
3.  Ensure the Ready LED is on a steady (not 
flashing) orange and then press the 
Power 
button to turn on the projector.  
 
The projector splash screen displays and 
connected devices are detected. 
If the connected device is a PC, press the 
appropriate keys on the computer key-
board to switch the display output to the 
projector. (Check the user manual of the 
PC to determine the appropriate Fn key 
combination to change display output.) 
 
See “Setting an Access Password (Secu-
rity Lock)” on page 18 if Security Lock is 
enabled. 
 
 DX125/DX130 
4.  If more than one input device is con-
nected, press the Source button repeatedly 
to switch among devices. 
(DVD and HDTV are supported through 
the DVI-I connector.) 
 
 AB110 
 DS125 
(Above screens depend on the input and projector model) 
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 17 –
 
5.  To turn off the projector, press the Power 
button. The projector prepares for shut-
down and a “Wait a moment please…” 
message appears. 
 
6. 
 When the “Power Off?/Press Power again” 
message appears, press the Power button. 
The projector turns off. 
 
Caution: Do not unplug the power cord until the Ready LED stops flashing, indicating the projector has cooled down. 
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–
 18 – 
Setting an Access Password (Security Lock) 
You can use the four cursor (arrow) buttons to set a password and prevent unauthorized use of the 
projector. When enabled, the password must be entered after you power on the projector. (See 
“Navigating the OSD” on page 22 and “Setting the OSD Language” on page 24 for help on using 
OSD menus.) 
Important: Keep the password in a safe place. Without the password, you will not be able to use the projector. If you lose the password, contact your reseller for information on clearing the password.  
1.  Press the Menu button to open the OSD 
menu. 
2.  Press the cursor  button to move to the 
Setup menu. 
3.  Press the cursor  button to select Ad-
vance Feature and press Enter or .  
4.  Press the cursor  button to select Secu-
rity Lock. 
5.  Press the cursor  button to select En-
able. (White text is selected.) 
A password dialog box automatically ap-
pears. 
 
6.  You can only use the cursor buttons        in the password fields. You 
can use any combination including the 
same arrow four times, but not less than 
four. 
Press the cursor buttons in any order to set 
the password. When you confirm the 
password, OK appears. 
 
  Every time you start the projector, a 
password dialog box appears. 
 
Enter the password in the order you set it 
at step 6. (Press the Menu button to cancel 
if you enter the wrong password.) 
 
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–
 19 –
 
Adjusting the Projector Level 
Take note of the following when setting up the projector: 
• The projector table or stand should be level and sturdy. 
• Position the projector so that it is perpendicular to the screen. 
• Be sure cables are not in the way or can cause the projector to be knocked over. 
 
C
B
A
 
 
1.  To raise the level of the projector, lift the projector [A] and press the height-adjuster 
button [B].  
The height adjuster drops down [C].  
2.  To lower the level of the projector, press the height-adjuster button and push down 
on the top of the projector. 
 
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 20 – 
Adjusting the Zoom, Focus and Keystone 
1.  Use the Image-focus con-
trol (on the projector only) 
to sharpen the projected 
image 
A. 
2.  Use the Image-zoom con-
trol (on the projector only) 
to resize the projected im-
age and screen size 
B. 
A
B
 
3.  Use the Keystone buttons 
(on the projector or the 
remote control) to correct 
image-trapezoid (wider 
top or bottom) effect. 
AUTO
SOURCE
M ENU
KE YSTON E
KE YSTON E
POWER
 
(DS125/AB110)  
  
AUTO
SOURCE
M ENU
KE YSTON E
KE YSTON E
POWER
 
(DX125/DX130) 
 The keystone control ap-
pears on the display. 
 
 
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–
 21 –
 
Adjusting the Volume 
Press the Volume +/- but-
tons on the remote 
control.  
The volume control ap-
pears on the display. 1.  
 
2.  Use the 
Volume +/- but-
tons to adjust the level. 
 
(DS125/AB110)  
 
(DX125/DX130) 
 
3.  Press the Mute button to 
turn off the volume.  
 
 
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–
 22 –
 
ON-SCREEN DISPLAY (OSD) MENU SETTINGS 
OSD Menu Controls 
The projector has an OSD that lets you make image adjustments and change various settings.  
Navigating the OSD 
You can use the remote control cursor buttons or the buttons on the top of the projector to navigate 
and make changes to the OSD. The following illustration shows the corresponding buttons on the re-
mote control and on the projector. 
(DS125/AB110)
 
1
2
34 5
AUTO
SOURCE
M ENU
KE YSTON E
KE YSTON E
POWER
134 5 2
 
(DX125/DX130)
 
1
2
3 4
5
AUTO
SOURCE
M ENU
KE YSTON E
KE YSTON E
POWER
321 5 4
 
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–
 23 –
 
1.  To open the OSD, press the Menu button.  
2.  There are six menus. Press the cursor 
 but-
ton to move through the menus.  
3.  Press the cursor 
 button to move up and 
down in a menu.  
4. Press 
 to change values for settings, and 
then press Enter or  to confirm the new set-
ting. 
5. Press Menu to close the OSD or leave a sub-
menu. 
 
 
Note: Depending on the video source not all items in the OSD are available. For example, the 
Horizon-tal/Vertical Position items in the Setup menu can only be modified when connected to a PC. Items that are not available cannot be accessed and are grayed out.  
 
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–
 24 – 
Setting the OSD Language 
You may want to reference the OSD on your projector while reading this section. Set the OSD lan-
guage to your preference before continuing. (The default language is English.) 
1. Press the Menu button. The Main menu appears. 
 
2. Press the cursor  button until Language is highlighted.  
 
3. Press the cursor  button until the language you want is highlighted.  
4. Press the cursor 
 or Enter button to confirm the language. 
5. Press the Menu button twice to close the OSD.   
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