LG Electronics USA L1755TT LCD Monitor User Manual IP0753 L226WT Eng 05 1022 OK

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Document ID	869858
Application ID	+gS281IwNRPKBXFQbTfwMw==
Document Description	Users Manual
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Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	114.91kB (1436398 bits)
Date Submitted	2007-11-19 00:00:00
Date Available	2007-11-19 00:00:00
Creation Date	2006-10-22 11:22:38
Producing Software	Acrobat Distiller 7.0 for Macintosh
Document Lastmod	2007-10-25 15:20:10
Document Title	IP0753_L226WT_Eng_05_1022_OK
Document Creator	QuarkXPress: LaserWriter 8 CH-8.7.1

User’s Guide
L1755T
M ake sure to read the Important Precautions before using the product.
Keep the User's Guide(CD) in an accessible place for future reference.
S ee the label attached on the product and give the information to your
dealer when you ask for service.
Important Precautions
This unit has been engineered and manufactured to ensure your personal
safety, however improper use may result in potential electrical shock or fire
hazards. In order to allow the proper operation of all safeguards
incorporated in this display, observe the following basic rules for its
installation, use, and servicing.
On Safety
Use only the power cord supplied with the unit. In case you use another power
cord, make sure that it is certified by the applicable national standards if not being
provided by the supplier. If the power cable is faulty in any way, please contact the
manufacturer or the nearest authorized repair service provider for a replacement.
The power supply cord is used as the main disconnection device. Ensure that the
socket-outlet is easily accessible after installation.
Operate the display only from a power source indicated in the specifications of
this manual or listed on the display. If you are not sure what type of power supply
you have in your home, consult with your dealer.
Overloaded AC outlets and extension cords are dangerous. So are frayed power
cords and broken plugs. They may result in a shock or fire hazard. Call your service
technician for replacement.
Do not Open the Display.
There are no user serviceable components inside.
There are Dangerous High Voltages inside, even when the power is OFF.
Contact your dealer if the display is not operating properly.
To Avoid Personal Injury :
Do not place the display on a sloping shelf unless properly secured.
Use only a stand recommended by the manufacturer.
Do not drop an object on or apply impact to the product. Do not throw any toys
or objects on the product screen.
It can cause injury to human, problem to product and damage the display.
To Prevent Fire or Hazards:
Always turn the display OFF if you leave the room for more than a short period
of time. Never leave the display ON when leaving the house.
Keep children from dropping or pushing objects into the display's cabinet
openings. Some internal parts carry hazardous voltages.
Do not add accessories that have not been designed for this display.
When the display is to be left unattended for an extended period of time, unplug
it from the wall outlet.
In the presence of thunder and lightning, never touch the power cord and signal
cable because it can be very dangerous. It can cause electric shock.
A1
Important Precautions
On Installation
Do not allow anything to rest upon or roll over the power cord, and do not place the
display where the power cord is subject to damage.
Do not use this display near water such as near a bathtub, washbowl, kitchen sink,
laundry tub, in a wet basement, or near a swimming pool.
Displays are provided with ventilation openings in the cabinet to allow the release of
heat generated during operation. If these openings are blocked, built-up heat can
cause failures which may result in a fire hazard. Therefore, NEVER:
Block the bottom ventilation slots by placing the display on a bed, sofa, rug, etc.
Place the display in a built-in enclosure unless proper ventilation is provided.
Cover the openings with cloth or other material.
Place the display near or over a radiator or heat source.
Main power breaker is the power cord and this breaking device must be located at
a location where it is easy to operate.
Do not rub or strike the Active Matrix LCD with anything hard as this may scratch,
mar, or damage the Active Matrix LCD permanently.
Do not press the LCD screen with your finger for a long time as this may cause
some afterimages.
Some dot defects may appear as Red, Green or Blue spots on the screen.
However, this will have no impact or effect on the display performance.
If possible, use the recommended resolution to obtain the best image quality for
your LCD display. If used under any mode except the recommended resolution,
some scaled or processed images may appear on the screen. However, this is
characteristic of the fixed-resolution LCD panel.
On Cleaning
Unplug the display before cleaning the face of the display screen.
Use a slightly damp (not wet) cloth. Do not use an aerosol directly on the display
screen because over-spraying may cause electrical shock.
On Repacking
Do not throw away the carton and packing materials. They make an ideal
container in which to transport the unit. When shipping the unit to another
location, repack it in its original material.
On Disposal
The fluorescent lamp used in this product contains a small amount of mercury.
Do not dispose of this product with general household waste.
Disposal of this product must be carried out in accordance to the regulations of
your local authority.
A2
Important Precautions
NOTE
THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV
INTRERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS
EQUIPMENT.SUCH MODIFICATIONS COULD VOID THE USER'S AUTHORITY
TO OPERATE THE EQUIPMENT.
NOTE
This epuipment has been tested and found to comply with the limits for a class
B digital device,pursuant to part 15 of the FCC Rules.These limits are designed
to provide reasonable protection against harmful interference in a residential
installation.This equipment generates,uses and can radiate radio frequency
energy and,if not installed and used in accordance with the instructions,may
cause harmful interference to radio communications.However,there is no
guarantee that interference will not occur in a particular installation.If this
equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on,the user is
encouraged to try to correct the interference by one or more of the following
measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and the receiver.
-Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
A3
Connecting the Display
Before setting up the monitor,ensure that the power to the monitor, the computer
system, and other attached devices is turned off.
Connecting the stand
1. Place the monitor with its front facing downward on a soft cloth.
2. Assemble the Stand Body into the product in the correct direction as shown in the picture.
Hinge Body
Stand Body
3.Assemble the Stand Base(Front, Rear) into the Stand Body in the correct direction.
Stand Base
Stand Body
4.Insert the Cable Deco Cover in the Stand Body in the correct direction.
Stand Base
Stand Body
Cable Deco Cover
Cable Deco Cover
5.Once assembled take the monitor up carefully and face the front side
Important
This illustration depicts the general model of connection. Your monitor may differ from
the items shown in the picture.
Do not carry the product upside down holding only the stand base. The product may
fall and get damaged or injure your foot.
A4
Connecting the Display
Disassembling the stand
1. Put a cushion or soft cloth on a flat surface.
2. Place the monitor face down on the cushion or soft cloth.
3. Slide the Cable Deco Cover out from the stand body.
4. Press the knob, Take off the stand base from stand body
5. Please pull the stand body lightly to separate it from the hinge body.
A5
Connecting the Display
Before setting up the monitor, ensure that the power to the monitor, the computer
system, and other attached devices is turned off.
Positioning your display
1. Adjust the position of the panel in various ways for maximum comfort.
Tilt Range: -5˚~20˚
Ergonomic
It is recommended that in order to maintain an ergonomic and comfortable viewing
position, the forward tilt angle of the monitor should not exceed 5 degrees.
A6
Connecting
Connectingthe
theDisplay
Display
Using the Computer
1. Make sure to turn off the computer and
form 1 to 2 .
product. Connect the cable as below sketch map
A Connect DVI Cable
B Connect Dsub Cable (PC)
C Connect Dsub Cable (Mac)
Power Cord
Signal Cable
Analog signal
D-sub
Digital signal
DVI
Wall-outlet type
PC-outlet type
DVI-D(This feature is not available in all countries.)
Mac adapter
For Apple Macintosh use, a separate plug adapter is needed to
change the 15 pin high density (3 row) D-sub VGA connector on
the supplied cable to a 15 pin 2 row connector.
2. Insert the Cable Deco Cover in the Stand Body in the correct direction.
3. Press
button on the front switch panel to turn the power on.
When monitor power is turned on, the 'Self Image Setting
Function' is executed automatically.
(Only Analog Mode)
NOTE
‘ Self Image Setting Function’? This function provides the user with optimal display settings.When the user connects the
monitor for the first time, this function automatically adjusts the display to optimal settings for individual input signals.
‘AUTO/SET’ Function? When you encounter problems such as blurry screen, blurred letters, screen flicker or tilted screen
while using the device or after changing screen resolution, press the AUTO/SET function button to improve resolution.
A7
Control Panel Functions
Front Panel Controls
Control
MENU Button
Function
Use this button to enter or exit from the On Screen Display.
OSD LOCKED/UNLOCKED
This function allows you to lock the current control
settings, so that these settings are not inadvertently
changed. To lock the OSD settings, press and hold the
MENU button for several seconds. The message "OSD
LOCKED" appears.
You can unlock the OSD settings at any time by pushing
the MENU button for several seconds. The message
"OSD UNLOCKED" appears.
A8
Control Panel Functions
Control
Function
Buttons
Button
Use these buttons to select or adjust functions in the
On Screen Display.
For more information, refer to page A16.
MOVIE
Button
(SOURCE Hot key)
Use this button to make either D-Sub or DVI
connector active. This feature is used when two
computers are connected to the display. The default
setting is D-Sub.
AUTO/SET
Button
Use this button to selection an icon in the On Screen
Display.
AUTO IMAGE ADJUSTMENT
When adjusting your display settings, always press
the AUTO/SET button prior to entering the On
Screen Display(OSD). This will automatically adjust
your display image to the ideal settings for the
current screen resolution size (display mode).
The best display mode is
L1755T : 1280x1024
Power Button
Power Indicator
Use this button to turn the display on or off.
This Indicator lights up as blue when the display is
operating normally(On Mode). If the display is in
Sleep Mode (Energy Saving), this indicator color will
changes to amber.
A9
On Screen Display (OSD) Control Adjustment
Screen Adjustment
Making adjustments to the image size, position and operating parameters of
the display is quick and easy with the On Screen Display Control system.
A short example is given below to familiarize you with the use of the controls.
The following section is an outline of the available adjustments and selections
you can make using the OSD.
NOTE
Allow the display to stabilize for at least 30 minutes before making image adjustments.
To make adjustments in the On Screen Display, follow these steps:
Press the MENU Button, then the main menu of the OSD appears.
To access a control, use the or Buttons. When the icon you want
becomes highlighted, press the AUTO/SET Button.
Use the / Buttons to adjust the image to the desired level. Use the
AUTO/SET Button to select other sub-menu items.
Push the MENU Button once to return to the main menu to select another
function. Push the MENU Button twice to exit from the OSD.
A10
On Screen Display(OSD) Selection and Adjustment
The following table indicates all the On Screen Display control,adjustmen,
and setting menus.
Main menu
PICTURE
Sub-menu
BRIGHTNESS
GAMMA
sRGB
6500K
9300K
PRESET
Reference
To adjust the brightness,
contrast and gamma of the
screen
CONTRAST
COLOR
To customize the color of
the screen
RED
GREEN
BLUE
TRACKING HORIZONTAL
To adjust the position of the
screen
VERTICAL
CLOCK
PHASE
SHARPNESS
SETUP
LANGUAGE
OSD
HORIZONTAL
To customize the screen
status for a user's operating
environment
POSITION VERTICAL
WHITE BALANCE
POWER INDICATOR
FACTORY RESET
MOVIE
FLATRON
F-ENGINE
To select or customize
desired image settings
INTERNT
USER
NORMAL
DEMO
: Adjustable
A : Analog Input
D : Digital Input
NOTE
The order of icons may differ depending on the model (A11~A16).
A11
On Screen Display(OSD) Selection and Adjustment
You were introduced to the procedure of selecting and adjusting an item
using the OSD system. Listed below are the icons, icon names, and icon
descriptions of the all items shown on the Menu.
Press the MENU Button, then the main menu of the OSD appears.
PICTURE
COLOR
TRACKING
SETUP
Main Menu
MENU
- +
SET
: Exit
: Adjust (Decrease/Increase)
: Enter
: Select another sub-menu
Button Tip
Menu Name
Sub-menus
Icons
NOTE
OSD (On Screen Display) menu languages on the monitor may differ from the manual.
A12
On Screen Display(OSD) Selection and Adjustment
Main
Mainmenu
menu
PICTURE
SubSub
menu
menu
Description
Description
PICTURE
BRIGHTNESS
To adjust the brightness of the screen.
CONTRAST
To adjust the contrast of the screen.
GAMMA
Set your own gamma value. : -50/0/50
On the monitor, high gamma values
display whitish images and low gamma
values display high contrast images.
MENU : Exit
- : Decrease
+ : Increase
SET : Select another sub-menu
COLOR
COLOR
PRESET
• sRGB: Set the screen color to fit the
SRGB standard color
specification.
• 6500K: Slightly reddish white.
• 9300K: Slightly bluish white.
RED
Set your own red color levels.
Set your own green color levels.
GREEN
MENU : Exit
- : Decrease
BLUE
+ : Increase
SET : Select another sub-menu
Set your own blue color levels.
A13
On Screen Display(OSD) Selection and Adjustment
Main menu
TRACKING
Sub menu
Description
POSITION
HORIZONTAL
To move image left and right.
VERTICAL
To move image up and down.
CLOCK
PHASE
MENU : Exit
- : Decrease
+ : Increase
SET : Select another sub-menu
To minimize any vertical bars or stripes
visible on the screen background.
The horizontal screen size will also
change.
To adjust the focus of the display.
This item allows you to remove any
horizontal noise and clear or sharpen
the image of characters.
SHARPNESS To adjust the clearness of the screen.
A14
On Screen Display(OSD) Selection and Adjustment
Main menu
SETUP
Sub menu
Description
LANGUAGE
To choose the language in which the
control names are displayed.
OSD
POSITION
To adjust position of the OSD window
on the screen.
WHITE
BALANCE
If the output of the video card is different
the required specifications, the color
level may deteriorate due to video
signal distortion. Using this function, the
signal level is adjusted to fit into the
standard output level of the video card
in order to provide the optimal image.
Activate this function when white and
black colors are present in the screen.
POWER
INDICATOR
Use this function to set the power
indicator on the front side of the monitor
to ON or OFF.
If you set OFF, it will go off.
If you set ON at any time, the power
indicator will automatically be turned on.
FACTORY
RESET
Restore all factory default settings except
"LANGUAGE".
Press the
button to reset immediately.
SETUP
MENU : Exit
- : Adjust
+ : Adjust
SET : Select another
sub-menu
If this does not improve the screen image, restore the factory default settings.
If necessary, perform the white balance function again. This function will be enabled only when
the input signal is an analog signal.
A15
On Screen Display(OSD) Selection and Adjustment
The OSD screen will appear when you touch the
on the left bottom of the monitor.
button
Menu Name
Icons
Sub-menu Name
Main menu
Sub menu
MOVIE
INTERNET
Description
This feature lets you easily select the best
desired image condition optimized to the
environment(ambient illumination, image
types etc).
MOVIE : For animation images in videos
or movies
INTERNET : For text images (Word
processing etc.)
ENGINE
SET
MENU
USER
User
You can manually adjust brightness,
ACE or RCM.You can save or restore
the adjusted value even when using a
different environment.
USER
... (Brightness):
Adjusts screen brightness.
ENGINE
SET
...
ACE(Adaptive Clarity Enhancer):
MENU
Selects the clarity mode.
BRIGHTNESS
...
RCM(Real Color Management):
Selects the color mode.
50
ACE
RCM
SAVE
NO
Not applied
Green enhance
Flesh tone
Color Enhance
Select the SAVE sub-menu using the
AUTO/SET button and save the YES
value using the , buttons.
ENGINE
SET
MENU
This is under normal operating conditions.
This is just for advertising to customer
in the shops. It’s setting is same with
Movie mode and screen is divided by half.
NORMAL
DEMO
NORMAL
A16
Troubleshooting
Check the following before calling for service.
No image appears
● Is the power cord of the • Check and see if the power cord is connected
properly to the power outlet.
display connected?
● Is the power indicator
light on?
• Press the Power button.
● Is the power on and the • Adjust the brightness and the contrast.
power indicator blue or
green?
● Is the power indicator
amber?
• If the display is in power saving mode, try moving
the mouse or pressing any key on the keyboard to
bring up the screen.
• Try to turn on the PC.
● Do you see an "OUT OF • This message appears when the signal from the
PC (video card) is out of horizontal or vertical
RANGE" message on
frequency range of the display. See the
the screen?
'Specifications' section of this manual and
configure your display again.
● Do you see a "CHECK
SIGNAL CABLE"
message on the
screen?
• This message appears when the signal cable
between your PC and your display is not
connected. Check the signal cable and try again.
Do you see a "OSD LOCKED" message on the screen?
● Do you see “OSD
LOCKED” when you
push MENU button?
• You can secure the current control settings,
so that they cannot be inadvertently changed.
You can unlock the OSD controls at any time
by pushing the MENU button for several
seconds: the message
“OSD UNLOCKED” will appear.
A17
Troubleshooting
Display image is incorrect
● Display Position is
incorrect.
• Press the AUTO/SET button to automatically
adjust your display image to the ideal setting.
If the results are unsatisfactory, adjust the image
position using the H position and V position icon
in the on screen display.
● On the screen
background, vertical
bars or stripes are
visible.
• Press the AUTO/SET button to automatically
adjust your display image to the ideal setting.
If the results are unsatisfactory, decrease the
vertical bars or stripes using the CLOCK icon in
the on screen display.
● Any horizontal noise
appearing in any
image or characters
are not clearly
portrayed.
• Press the AUTO/SET button to automatically
adjust your display image to the ideal setting.
If the results are unsatisfactory, decrease the
horizontal bars using the PHASE icon in the on
screen display.
• Check Control Panel --> Display --> Settings
and adjust the display to the recommended
resolution or adjust the display image to the ideal
setting. Set the color setting higher than 24 bits
(true color).
Important
Check Control Panel --> Display --> Settings and see if the frequency or the
resolution were changed. If yes, readjust the video card to the recommend
resolution.
The setting method can differ by computer and O/S (Operation System),
and resolution mentioned above may not be supported by the video card
performance. In this case, please ask to the computer or the video card
manufacturer.
A18
Troubleshooting
Display image is incorrect
● The screen color is
mono or abnormal.
• Check if the signal cable is properly connected
and use a screwdriver to fasten if necessary.
• Make sure the video card is properly inserted in
the slot.
• Set the color setting higher than 24 bits (true color)
at Control Panel - Settings.
● The screen blinks.
• Check if the screen is set to interlace mode and if
yes, change it to the recommend resolution.
• Make sure the power voltage is high enough, It
has to be in the range of AC100-240V 50/60Hz.
Have you installed the display driver?
● Have you installed the
display driver?
• Be sure to install the display driver from the display
driver CD (or diskette) that comes with your
display. Or, you can also download the driver from
our web site: http://www.lge.com.
● Do you see an
"Unrecognized monitor,
Plug&Play (VESA DDC)
monitor found"
message?
• Make sure to check if the video card supports
Plug&Play function.
A19
Specifications
L1755T
Display
17 inches (43.2 cm) Flat Panel Active matrix-TFT LCD
Anti-Glare coating
17 inches viewable
0.264*0.264 mm pixel pitch
Sync Input
Horizontal Freq.
Vertical Freq.
Input Form
Video Input
Signal Input
Input Form
Resolution
Max
Recommend
Analog : 30 - 83 kHz (Automatic)
Digital : 30 - 71 kHz (Automatic)
56 - 75 Hz (Automatic)
Separate TTL, Positive/Negative
SOG (Sync On Green) Digital
15 pin D-Sub Connector
DVI - D connector (Digital)
RGB Analog (0.7 Vp-p/ 75 ohm), Digital
Analog : VESA 1280 x 1024 @75 Hz
Digital : VESA 1280 x 1024 @60 Hz
VESA 1280 x 1024 @60 Hz
Plug&Play
DDC2AB(Analog) DDC2B(Digital)
Power
Consumption
On Mode
Sleep Mode
Off Mode
(without speaker)
≤
≤
30W(Typ.)
1W
1W
With Stand
Dimensions
&Weight
Width
Height
Depth
38.35 cm / 15.10 inches
41.65 cm / 16.39 inches
20.20 cm / 7.95 inches
Without Stand
38.35 cm / 15.10inches
37.00 cm / 14.57 inches
7.60 cm / 2.99 inches
Net
3.35 kg (7.39lbs)
Tilt Range
Tilt
-5˚~20˚
Power Input
AC 100-240V~ 50/60Hz 1.0A
Operating Conditions
Temperature 10˚C to 35 ˚C
Humidity
10 % to 80 % non-Condensing
Environmental
Conditions
Storage Conditions
Temperature -20˚C to 60 ˚C
Humidity
5 % to 90 % non-Condensing
Stand Base
Attached (
Power cord
Wall-outlet type or PC-outlet type
), Detached ( O )
NOTE
Information in this document is subject to change without notice.
A20
Specifications
Preset Modes (Resolution)
Display Modes (Resolution)
10
11
*12
**13
640 x 350
720 x 400
640 x 480
640 x 480
800 x 600
800 x 600
832 x 624
1024 x 768
1024 x 768
1152 x 870
1152 x 900
1280 x 1024
1280 x 1024
Horizontal Freq. (kHz)
Vertical Freq. (Hz)
31.469
31.468
31.469
37.500
37.879
46.875
49.725
48.363
60.123
68.681
61.805
63.981
79.976
70
70
60
75
60
75
75
60
75
75
65
60
75
*Recommend Mode
**Only Analog Mode
Indicator
MODE
On Mode
Sleep Mode
Off Mode
LED Color
blue
amber
Off
A21
Digitally yours

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