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Owner's Manual
IPS LED MONITOR (LED MONITOR*)
*LG LED Monitors are LCD Monitors with LED Backlighting.
Please read this manual carefully before operating your set and retain it for future reference.
IPS LED MONITOR MODEL
20MP48A 
22MP48A 
23MP48D 
24MP48HQ
27MP48HQ 22MP48D 
23MP48HQ
22MP48HQ
www.lg.com
ENGLISH
2 TABLE OF CONTENTS
CONTENTS
3 |
LICENSE |
28 |
-Color Weakness |
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4 |
ASSEMBLING AND PREPAR- |
29 |
TROUBLESHOOTING |
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ING |
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31 |
SPECIFICATIONS |
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4 |
Unpacking |
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6 |
Parts and buttons |
41 |
Factory Support Mode |
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7 |
Parts and buttons |
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(Preset Mode, D-SUB/DVI/HDMI PC) |
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8 |
Moving and Lifting the Monitor |
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HDMI Timing(Video) |
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9 |
Setting up the Monitor set |
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Indicator |
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9 |
- Attaching the Stand Base |
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10 - Mounting on a table |
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PROPER POSTURE |
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11 - Using the cable holder |
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Proper posture for using the Monitor set. |
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13 |
- Mounting on a wall |
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14 USING THE MONITOR SET
14Connecting to a PC
14- D-SUB connection
14- DVI-D connection
15- HDMI connection
15Connecting to AV Devices
15- HDMI connection
16Connecting to External Devices
16- Peripheral device connection
17CUSTOMIZING SETTINGS
19 Customizing Settings
19 - Menu Settings
21-Picture
22-Color
23-Display
23-Audio
24-Others
25READER Setting
26FUNC. Setting
26-SMART ENERGY SAVING
27-Picture Mode
LICENSE 3
22MP48HQ
23MP48HQ
24MP48HQ
27MP48HQ
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 LLC in the United States and other countries.
ENGLISH
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 adjustment to display.
*To make this setting be disabled, change the option to ‘Off’ in OSD menu of “Automatic Standby”.
ENGLISH
4 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) / |
D-SUB Cable |
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( This cable is not included in all |
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Card |
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countries. ) |
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Power Cord |
AC-DC Adapter |
( Depending on the country )
Stand Body |
Stand Base |
DVI-D Cable
( This cable is not included in all countries. )
or
AC-DC Adapter
( Depending on the country )
HDMI Cable
( This cable is not included in all countries. )
Stand Body |
Stand Base |
Cable holder |
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ASSEMBLING AND PREPARING 5
CAUTION
yyDo not use any unapproved accessories to ensure the safety and product life span.
yyAny damages or injuries by using unapproved accessories are not covered by the warranty.
NOTE
yyThe accessories supplied with your product may vary depending on the model.
yyProduct specifications or contents in this manual may be changed without prior notice due to upgrade of product functions.
ENGLISH
ENGLISH
6 ASSEMBLING AND PREPARING
Parts and buttons
22MP48A 
23MP48D 22MP48D 
23MP48HQ 22MP48HQ
Power Indicator yyLighting On: Turned on yyLighting Off: Turned off
(Power Button)
READER
Button (See p.17~18)
HDMI IN
Connection panel (See p.14~16)
NOTE
yyThe button is located at the bottom of the monitor.
Parts and buttons
20MP48A 
24MP48HQ
27MP48HQ
ASSEMBLING AND PREPARING 7
ENGLISH
Power Indicator yyLighting On: Turned on yyLighting Off: Turned off
(Power Button)
Button (See p.17~18)
Connection panel (See p.14~16)
NOTE
yyThe button is located at the bottom of the monitor.
ENGLISH
8 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 transportation regardless of its shape or size.
yyIt is advisable to place the monitor in the original box or packing material before attempting to move it.
yyBefore moving or lifting the monitor, disconnect the power cord and all cables.
yyHold the top and bottom of the monitor frame firmly. Do not hold the panel itself.
yyWhen holding the monitor, the screen should face away from you to prevent it being scratched.
yyWhen moving the monitor, avoid any strong shock or vibrations to the product.
yyWhen moving the monitor, keep it upright, never turn the monitor on its side or tilt it sideways.
CAUTION
yyAs far as possible, avoid touching the monitor screen. This may result in damage to the screen or some of the pixels used to create images.
ASSEMBLING AND PREPARING 9
Setting up the Monitor set
Attaching the Stand Base
1Place the Monitor set with the screen side down on a flat and cushioned surface.
CAUTION
Lay a foam mat or soft protective cloth on the surface to protect the screen from damage.
21 Attach the Stand Body to the monitor set.
2 Attach the Stand Base.
3 Tighten the screw to the right with a coin.
22MP48A 
23MP48D
22MP48D 
23MP48HQ 22MP48HQ
Stand Body
Stand Body
Stand Base
1Insert the Cable Holder.
2Attach the Stand Body to the monitor set.
3Attach the Stand Base to Stand Body.
4Tighten the screw to the right.
Stand Body
Stand Base
Stand
NOTE
ENGLISH
yyYou can disassemble the stand in the reverse order of the assembly.
ENGLISH
10 ASSEMBLING AND PREPARING
Mounting on a table
1 Lift and tilt the Monitor set into its upright position on a table.
Leave a 10 cm (minimum) space from the wall for proper ventilation.
or
10 cm
10 cm
10 cm
10 cm
2 Connect the AC-DC Adapter and Power Cord to a wall outlet.
22MP48A 
23MP48D 22MP48D 
23MP48HQ 22MP48HQ
or
or
3 Press 
(Power) button on the bottom switch panel to turn the power on.
CAUTION
Unplug the power cord before moving the Monitor to another location. Otherwise electric shock may occur.
ASSEMBLING AND PREPARING 11
Using the cable holder
ENGLISH
Cable holder
Cable holder
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Cable holder |
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Cable holder |
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ENGLISH
12 ASSEMBLING AND PREPARING
WARNING |
NOTE |
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When you adjust the angle, do not hold the |
27MP48HQ |
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Tilt from +20 to -3 degrees up or down to adjust |
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bottom of the Monitor set frame as shown on |
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the |
the angle of the Monitor set to suit your view. |
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Do
Do not hold this set like below picture.Monitor screen can detach from stand base and injure your body.
NOTE
20MP48A
22MP48A 
23MP48D 
24MP48HQ 22MP48D 
23MP48HQ 22MP48HQ
Tilt from +20 to -5 degrees up or down to adjust the angle of the Monitor set to suit your view.
Front |
Rear |
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.
NOTE
The Kensington security system is optional. You can obtain it from most electronics stores.
Front 
Rear
Mounting on a wall
For proper ventilation, allow a clearance of 10 cm 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.
10 cm
10 cm
10 cm
10 cm
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 monitor 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.
Model |
22MP48A |
23MP48D |
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22MP48D |
23MP48HQ |
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22MP48HQ |
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Wall |
75 x 75 |
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Mount (A |
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x B) |
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Standard |
M4 x L10 |
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screw |
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Number |
4 |
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of screws |
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Wall |
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RW120 |
Mount |
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Plate |
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(Optional) |
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ASSEMBLING AND PREPARING 13
yyWall Mount (A x B)
A |
B |
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CAUTION
yyDisconnect the power cord first, and then move or install the Monitor set. Otherwise electric shock may occur.
yyIf you install the Monitor set on a ceiling or slanted wall, it may fall and result in severe injury.
yyUse only an authorized LG wall mount and contact the local dealer or qualified personnel.
yyDo not over tighten the screws as this may cause damage to the Monitor set and void your warranty.
yyUse 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. yyScrew length from outer surface of back
cover should be under 8mm. Wall mount Pad
Back Cover
Wall mount Pad 
Back Cover
Standard screw
Max.8mm
NOTE
yyUse the screws that are listed on the VESA standard screw specifications.
yyThe wall mount kit will include an installation manual and necessary parts.
yyThe wall mount bracket is optional. You can obtain additional accessories from your local dealer.
yyThe length of screws may differ depending on the wall mount. Be sure to use the proper length.
yyFor more information, refer to the instructions supplied with the wall mount.
ENGLISH
ENGLISH
14 USING THE MONITOR SET
USING THE MONITOR SET
Connecting to a PC
yyYour 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.
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.
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.
NOTE
yyWhen using a D-Sub signal input cable connector for Macintosh
yyMac 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.
CAUTION
yyConnect the signal input cable and tighten it by turning the
screws clockwise. yyDo not press the screen with
your finger for a long time as this may result in temporary distortion on the screen.
yyAvoid displaying a fixed image on the screen for a long period of time to prevent image burn. Use a screensaver if possible.
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