LG 20MP38H User manual

www.lg.com
IPS LED MONITOR MODEL
Please read this manual carefully before operating
your set and retain it for future reference.
Owner's Manual
IPS LED MONITOR
(LED MONITOR*)
*LG LED Monitors are LCD Monitors with LED Backlighting.
20MP38A
20MP38H
20MP38HQ
22MP48A
22MP48D
22MP48HQ
23MP48D
23MP48HQ
20MP48A 24MP48HQ 27MP48HQ

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ENGLISH
TABLE OF CONTENTS
CONTENTS
3LICENSE
4ASSEMBLING AND PREPAR-
ING
4 Unpacking
6 Parts and buttons
7 Parts and buttons
8 Parts and buttons
9 Moving and Lifting the Monitor
10 Setting up the Monitor set
10 - Attaching the Stand Base
11 - Mounting on a table
12 - Using the cable holder
15 - Mounting on a wall
16 USING THE MONITOR SET
16 Connecting to a PC
16 - D-SUB connection
16 - DVI-D connection
17 - HDMI connection
17 Connecting to AV Devices
17 - HDMI connection
18 Connecting to External Devices
18 - Peripheral device connection
19 CUSTOMIZING SETTINGS
21 Customizing Settings
21 - Menu Settings
23 -Picture
24 -Color
25 -Display
25 -Audio
26 -Others
27 READER Setting
28 FUNC. Setting
28 -SMART ENERGY SAVING
29 -Picture Mode
30 -Color Weakness
31 TROUBLESHOOTING
33 SPECIFICATIONS
43 Factory Support Mode
(Preset Mode, D-SUB/DVI/HDMI PC)
44 HDMI Timing(Video)
44 Indicator

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LICENSE
LICENSE
Each model has different licenses. Visit www.lg.com for more information on the license.
The terms HDMI and HDMI High-Definition Multimedia Interface, and the
HDMI Logo are trademarks or registered trademarks of HDMI Licensing Ad-
ministrator, Inc. in the United States and other countries.
The following content is only applied to the monitor which is sold in Europe market and which needs to
meet the ErP Directive:
*This monitor is set to be turned off automatically in 4 hours after you turned on display if there is no adjust-
ment to display.
*To make this setting be disabled, change the option to ‘Off’ in OSD menu of “Automatic Standby”.
20MP38H 20MP38HQ 22MP48HQ 23MP48HQ 24MP48HQ 27MP48HQ

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ASSEMBLING AND PREPARING
ASSEMBLING AND PREPARING
Unpacking
Check your product box for the following items. If there are any missing accessories, contact the local
dealer where you purchased your product. The illustrations in this manual may differ from the actual product
and accessories.
CD(Owner's Manual) /
Card
( Depending on the country ) ( Depending on the country )
Power Cord AC-DC Adapter
AC-DC Adapter
or
D-SUB Cable
( This cable is not included in all
countries. )
HDMI Cable
Stand Body Stand Base
( This cable is not included in all
countries. )
DVI-D Cable
( This cable is not included in all
countries. )
Stand Body Stand Body
Stand Base Stand Base
Cable holder

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ASSEMBLING AND PREPARING
yDo not use any unapproved accessories to ensure the safety and product life span.
yAny damages or injuries by using unapproved accessories are not covered by the warranty.
yThe accessories supplied with your product may vary depending on the model.
yProduct specifications or contents in this manual may be changed without prior notice due to upgrade
of product functions.
CAUTION
NOTE

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ASSEMBLING AND PREPARING
HDMI IN
READER
READER
Parts and buttons
Power Indicator
yLighting On: Turned on
yLighting Off: Turned off
Connection panel (See p.16~18)
Button (See p.19~20)
(Power Button)
yThe button is located at the bottom of the monitor.
NOTE
22MP48A
22MP48D
22MP48HQ
23MP48D
23MP48HQ

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ASSEMBLING AND PREPARING
Power Indicator
yLighting On: Turned on
yLighting Off: Turned off
Button (See p.19~20)
(Power Button)
Parts and buttons
Connection panel (See p.16~18)
yThe button is located at the bottom of the monitor.
NOTE
20MP48A 24MP48HQ 27MP48HQ

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ASSEMBLING AND PREPARING
Parts and buttons
20MP38A 20MP38H 20MP38HQ
Power Indicator
yLighting On: Turned on
yLighting Off: Turned off
(Power Button)
Button (See p.19~20)
Connection panel (See p.16~18)

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ASSEMBLING AND PREPARING
Moving and Lifting the Monitor
When moving or lifting the monitor, follow these
instructions to prevent the monitor from being
scratched or damaged and to ensure safe trans-
portation regardless of its shape or size.
yAs far as possible, avoid touching the moni-
tor screen. This may result in damage to the
screen or some of the pixels used to create
images.
yIt is advisable to place the monitor in the
original box or packing material before at-
tempting to move it.
yBefore moving or lifting the monitor, discon-
nect the power cord and all cables.
yHold the top and bottom of the monitor frame
firmly. Do not hold the panel itself.
yWhen holding the monitor, the screen should
face away from you to prevent it being
scratched.
yWhen moving the monitor, avoid any strong
shock or vibrations to the product.
yWhen moving the monitor, keep it upright,
never turn the monitor on its side or tilt it
sideways.
CAUTION

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ASSEMBLING AND PREPARING
Attach the Stand Body to the monitor set.
Attach the Stand Base.
Tighten the screw to the right with a coin.
Setting up the Monitor set
Attaching the Stand Base
1Place the Monitor set with the screen side
down on a flat and cushioned surface.
Lay a foam mat or soft protective cloth
on the surface to protect the screen from
damage.
CAUTION
2
Stand Base
Stand Base
Stand Body
Stand Body
1
2
3
22MP48A
22MP48D
22MP48HQ
23MP48D
23MP48HQ
20MP38A 20MP38HQ20MP38H
Stand Base
Stand Body
Stand Base
Stand Body
1
2
3
4
Insert the Cable Holder.
Attach the Stand Body to the monitor set.
Attach the Stand Base to Stand Body.
Tighten the screw to the right.
yYou can disassemble the stand in the
reverse order of the assembly.
NOTE

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ASSEMBLING AND PREPARING
Mounting on a table
1Lift and tilt the Monitor set into its upright
position on a table.
Leave a 100 mm (minimum) space from the
wall for proper ventilation.
2Connect the AC-DC Adapter and Power Cord
to a wall outlet.
100 mm
100 mm
100 mm
100 mm
or
22MP48A
22MP48D
22MP48HQ
23MP48D
23MP48HQ
or
or

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ASSEMBLING AND PREPARING
20MP38A 20MP38HQ20MP38H
Using the cable holder
Cable holder
Cable holder
or
3Press (Power) button on the bottom switch
panel to turn the power on.
Unplug the power cord before moving the
Monitor to another location. Otherwise electric
shock may occur.
CAUTION

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ASSEMBLING AND PREPARING
Cable holder Cable holder
Cable holder

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ASSEMBLING AND PREPARING
Using the Kensington security system
The Kensington security system connector is
located at the back of the Monitor set. For more
information of installation and using, refer to the
manual supplied with the Kensington security
system or visit http://www.kensington.com .
Connect the Kensington security system cable
between the Monitor set and a table.
The Kensington security system is optional.
You can obtain it from most electronics stores.
NOTE
When you adjust the angle, do not hold the
bottom of the Monitor set frame as shown on
the following illustration, as may injure your
fingers.
Do not touch or press the screen when
adjusting the angle of the monitor.
Do not hold this set like below picture.Monitor
screen can detach from stand base and injure
your body.
WARNING
Tilt from +20 to -5 degrees up or down to adjust
the angle of the Monitor set to suit your view.
NOTE
Front Rear
Tilt from +20 to -3 degrees up or down to adjust
the angle of the Monitor set to suit your view.
NOTE
Front Rear
22MP48A
22MP48D
22MP48HQ
20MP38A 20MP48A
20MP38H
20MP38HQ
23MP48D
23MP48HQ
24MP48HQ
27MP48HQ

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ASSEMBLING AND PREPARING
Mounting on a wall
For proper ventilation, allow a clearance of 100
mm on each side and from the wall. Detailed
instructions are available from your dealer, see the
optional Tilt Wall Mounting Bracket Installation and
Setup Guide.
If you intend to mount the Monitor set to a wall,
attach Wall mounting interface (optional parts) to
the back of the set.
When you install the Monitor set using a wall
mounting interface (optional parts), attach it
carefully so it will not drop.
1If you use screw longer than standard, the moni-
tor might be damaged internally.
2If you use improper screw, the product might be
damaged and drop from mounted position.
In this case, LG Electronics is not responsible
for it.
100 mm
100 mm
100 mm
100 mm
yDisconnect the power cord first, and then
move or install the Monitor set. Otherwise
electric shock may occur.
yIf you install the Monitor set on a ceiling or
slanted wall, it may fall and result in severe
injury.
yUse only an authorized LG wall mount
and contact the local dealer or qualified
personnel.
yDo not over tighten the screws as this may
cause damage to the Monitor set and void
your warranty.
yUse only screws and wall mounts that
meet the VESA standard. Any damages
or injuries by misuse or using an improper
accessory are not covered by the warranty.
yScrew length from outer surface of back
cover should be under 8mm.
yUse the screws that are listed on the VESA
standard screw specifications.
yThe wall mount kit will include an installation
manual and necessary parts.
yThe wall mount bracket is optional. You can
obtain additional accessories from your local
dealer.
yThe length of screws may differ depending
on the wall mount. Be sure to use the proper
length.
yFor more information, refer to the
instructions supplied with the wall mount.
CAUTION
NOTE
Back Cover
Wall mount Pad
Wall mount Pad
Back Cover
Standard screw
Max.8mm
Model 22MP48A
22MP48D
22MP48HQ
23MP48D
23MP48HQ
20MP38A
20MP38H
20MP38HQ
Wall
Mount (A
x B)
75 x 75 100 x 100
Standard
screw
M4 x L10
Number
of screws
4
Wall
Mount
Plate
(Optional)
RW120
yWall Mount (A x B)
A
B

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USING THE MONITOR SET
USING THE MONITOR SET
Connecting to a PC
yYour Monitor set supports Plug & Play*.
*Plug & Play: A PC recognizes a connected
device that users connect to a PC and turn
on, without device configuration or user
intervention.
D-SUB connection
Transmits analog video from your PC to the
Monitor set. Connect the PC and the Monitor set
with the supplied D-sub 15 pin signal cable as
shown in the following illustrations.
yMac 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.
yWhen using a D-Sub signal input cable
connector for Macintosh
NOTE
DVI-D connection
Transmits a digital video signal from your PC to
the Monitor set. Connect the PC and the Monitor
set with a DVI cable as shown in the following
illustrations.
yConnect the signal input cable
and tighten it by turning the
screws clockwise.
yDo not press the screen with
your finger for a long time as this may
result in temporary distortion on the screen.
yAvoid displaying a fixed image on the
screen for a long period of time to prevent
image burn. Use a screensaver if possible.
CAUTION

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USING THE MONITOR SET
yWhen you want to use two PC in our Monitor,
please connect the signal cable(D-SUB/
DVI-D/HDMI) respectively in Monitor set.
yIf you turn the Monitor set on while it is cold,
the screen may flicker. This is normal.
ySome red, green, or blue spots may appear
on the screen. This is normal.
NOTE
Connecting to AV Devices
HDMI connection
Transmits the digital video and audio signals from
your AV devices to the monitor. Connect your AV
device to the monitor with the HDMI cable as il-
lustrated below.
yIf you use HDMI PC, it can cause compatibility
problem.
yUse a certified cable with the HDMI logo
attached. If you do not use a certified HDMI
cable, the screen may not display or a
connection error may occur.
yRecommended HDMI cable types
- High-Speed HDMI®/TM Cable
- High-Speed HDMI®/TM Cable with Ethernet
NOTE
HDMI connection
Transmits the digital video and audio signals from
your PC to the Monitor set. Connect the PC and
the Monitor set with the HDMI cable as shown in
the following illustrations.
yIf you use HDMI PC, it can cause compatibility
problem.
yUse a certified cable with the HDMI logo
attached. If you do not use a certified HDMI
cable, the screen may not display or a
connection error may occur.
yRecommended HDMI cable types
- High-Speed HDMI®/TM Cable
- High-Speed HDMI®/TM Cable with Ethernet
NOTE

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USING THE MONITOR SET
Connecting to External Devices
Peripheral device connection
Connect peripheral devices to the monitor using
headphone ports.
yPeripheral devices are sold separately.
yCables with angled plugs may have clear-
ance issues, use straight plugs when pos-
sible.
Angle Type Straight Type
NOTE
NOTE
yHeadphones or speakers may not work nor-
mally, depending on the server PC settings.
y"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.(Only
supported in Analog Mode)
y‘AUTO’ 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 function
button to improve resolution.(Only supported in
Analog Mode)
NOTE
Self Image Setting Function
Press the power button on the bottom panel to
turn the power on. When monitor power is turned
on, the "Self Image Setting" Function is executed
automatically. (Only supported in Analog Mode)
(sold separately)
(sold separately)

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CUSTOMIZING SETTINGS
CUSTOMIZING SETTINGS
1Press the desired button on the bottom of the Monitor set.
2Change the value of the menu item by pressing the buttons on the bottom of the Monitor set.
To return to the upper menu or set other menu items, use the up arrow ( ) button.
3Select EXIT to leave the OSD menu.
Monitor set Buttons
MENU
FUNC.
AUTO INPUT
EXIT
READER
20MP38A 20MP38H 20MP38HQ
Monitor set Buttons
Monitor set Buttons
yThe button is located at the bottom of the monitor.
NOTE

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CUSTOMIZING SETTINGS
Button Description
Accesses the main menus.(See p.21)
OSD Locked/OSD
Unlocked
This function allow you to lock the current control settings, so that
they cannot be inadvertently changed.
Press and hold the MENU button for several seconds. Then OSD
of “OSD Lock” will appear. After that, user can select lock or unlock
by pressing left/right button.
If user selects the “Lock” icon by pressing the “OK” button, the
message “OSD Locked” will appear. Otherwise, “OSD Unlocked”
will appear. After selecting the “Lock”, If you want to change to
Unlock, you can push the “MENU” button for several seconds. The
message “OSD Unlocked” will appear.
Use this button to enter Reader Mode menu. Its function works to display screen as
paper-like picture for Eye comfort.If you want to more information(See p.27).
Use this button to enter SMART ENERGY SAVING , Picture Mode, Color Weakness
menus.(See p.28~30)
When adjusting your display settings, always press the AUTO button on the MONITOR
SETUP OSD. (Only supported in Analog Mode)
The best display
mode 20MP38A 20MP38H 20MP38HQ 20MP48A
1440 x 900 @ 60 Hz
22MP48A
22MP48D
22MP48HQ
23MP48D
23MP48HQ
24MP48HQ 27MP48HQ
1920 x 1080 @ 60 Hz
You can choose the input signal.
• When two input signals are connected, you can select the input signal (D-SUB/DVI-D/
HDMI) you want.
• When only one signal is connected, it is automatically detected. The default setting is
D-SUB.
EXIT
EXIT the OSD(On Screen Display).
(Power Button) Turns the power on or off.
Power Indicator The power indicator stays white if the display is running properly (On
Mode). If the display is in Sleep Mode, the power indicator blinks
white.