OWNER’S MANUAL LG UltraFine 5K Monitor (For Mac) Please read this manual carefully before operating your set and retain it for future reference. 27MD5KA 27MD5KB www.lg.
TABLE OF CONTENTS ENGLISH IMPORTANT PRECAUTIONS------------3 -- Precautions to the AC Adapter and Electrical Power--------------------------------------------------------3 -- Precautions in installing the Product-----------------4 -- Precautions in Moving the Product------------------5 -- Precautions in Using/Cleaning the Product----------6 LICENSE----------------------------------7 ASSEMBLING AND PREPARING-------8 -- Supported Software----------------------------------8 -- Product Description---------
IMPORTANT PRECAUTIONS WARNING Failure to follow those warnings may result in death, serious injury or damage to the product or other property. Precautions to the AC Adapter and Electrical Power WARNING •• If water or any foreign substance goes inside the product (TV, monitor, power cord, or AC adapter), disconnect the power cord immediately and contact the service center. ►Otherwise, ► this may cause a fire or electric shock due to damage to the product.
ENGLISH •• If you don’t intend to use the product for a long time, unplug the power cable from the product. ►Covering ► dust can cause a fire, or insulation deterioration can cause electric leakage, electric shock or fire. •• Insert the power plug firm so it cannot come loose. ►A ► loose connection can cause fire. •• Do not insert metal or other conductive materials into the product openings. Additionally, do not touch the power cable right after plugging into the wall input terminal.
Precautions in Moving the Product WARNING •• Make sure to turn off the product. ►You ► may be electrocuted or the product can be damaged. •• Make sure to remove all cables before moving the product. ►You ► may be electrocuted or the product can be damaged. •• When lifting or moving the product, do not hold it upside down while holding only the stand. ►This ► may cause the product to fall resulting in damage or injury. •• Do not shock the product when moving it.
Precautions in Using/Cleaning the Product ENGLISH WARNING •• Do not attempt to disassemble, repair or modify the product yourself. ►Fire ► or electric shock can occur. ►Contact ► LG Customer Service for repair. •• When cleaning the product, unplug the power cord and scrub gently with a soft cloth to prevent scratching. Do not clean with a wet cloth or spray water or other liquids directly onto the product. An electric shock may occur.
LICENSE Thunderbolt and the Thunderbolt logo are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Mac and the Mac logo are trademarks of Apple Inc., registered in the U.S. and other countries. ENGLISH Each model has different licenses. Visit www.lg.com for more information on the license.
ASSEMBLING AND PREPARING ENGLISH CAUTION •• Always use genuine LG components to ensure safety and product performance. •• The product warranty will not cover damage or injury caused by the use of unauthorized components. •• It is recommend that use the supplied components. •• If you use generic cables not certified by LG, the screen may not display or there may be image noises.
Product Description Camera Microphone and Ambient light sensor Camera indicator light Back Power connector Kensington lock hole Stand detach button NOTE •• Camera: Built-in USB Camera Microphone: Built-in USB Microphone •• The ambient light sensor is for auto brightness control of display and can be controlled by Mac OS.
Input Connector ENGLISH USB expansion port Host (Mac) connection port
ID Label / Sub ID Label ENGLISH You can view the monitor's ID Label and Sub ID Label. Sub ID Label Stand * Detaching the Stand (Refer page 18) ID Label NOTE •• ID Label: the monitor's standard ID label that states model name, production date, country of production, specifications, etc. Sub ID Label: a secondary ID label that states only the model name and basic specifications CAUTION •• To view the ID Label, you must detach the stand.
Moving and Lifting the Monitor ENGLISH 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. •• Place the monitor in the original box or packing material before attempting to move it. •• Before moving or lifting the monitor, disconnect the power cord and all other cables. •• Hold the bottom and side of the monitor frame firmly. Do not hold the panel itself.
Installing on a Table 1 100 mm (3.9 inches) 100 mm (3.9 inches) 2 100 mm (3.9 inches) 100 mm (3.9 inches) Connect the power cord to the monitor and then plug the power cord into the wall outlet. 2 1 CAUTION •• Unplug the power cord before moving or installing the monitor. There is risk of electric shock. ENGLISH Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm (3.9 inches) away from the wall to ensure sufficient ventilation.
Cautions When Connecting Power Cord ENGLISH 100-240 V ~ •• Make sure to use the power cord that is provided in the product package and connect it to a grounded power outlet. •• If you need another power cord, please contact your local dealer or the nearest retail store. Adjusting the Stand Height 1 2 Place the monitor mounted on the stand base in an upright position. Handle the monitor with both hands for safety. Max 110.0 mm (4.
WARNING ENGLISH •• When adjusting the screen height, do not place your hand on the stand body to avoid injury to your fingers. •• Be careful not to touch or press the screen area when adjusting the angle of the monitor. NOTE •• The left or right side of the monitor head can be slightly rotated up or down. Adjust the horizontal level of the monitor head.
Adjusting the Angle ENGLISH 1 2 Place the monitor in an upright position, mounted on the stand base. Adjust the angle of the screen. The angle of the screen can be adjusted forwards or backwards for a comfortable viewing experience. Rear Front WARNING •• To avoid injury to the fingers when adjusting the screen, do not hold the lower part of the monitor’s frame as illustrated below.
Using the Kensington Lock Kensington lock hole NOTE •• The Kensington security system is optional. You can obtain optional accessories from most electronics stores. ENGLISH The connector for the Kensington security system is located at the bottom of the monitor. For more information on installation and usage, refer to the Kensington lock owner’s manual or visit the website at http://www.kensington.com. Connect the monitor to a table using the Kensington security system cable.
Detaching the Stand ENGLISH 1 Place the monitor’s screen face down. To protect the screen from scratches, cover the surface with a soft cloth. 2 Push the Detach button on the back of the monitor to the left. 3 Lift up the stand, slightly rotating it. 4 Pull the stand away from the monitor in its rotated position.
5 Check whether the hooks on the stand are separated from the slots of the main unit. ENGLISH Stand hooks 6 Main unit slots Remove the stand once the hooks on the stand have been released from the slots of the main unit. CAUTION •• Be careful not to drop the stand while detaching it.
Attaching the VESA design cover ENGLISH 1 Place the monitor’s screen face down. To protect the screen from scratches, cover the surface with a soft cloth. VESA design cover hooks Main unit slots 2 Place the VESA design cover on the monitor in a slightly slanted position so its hooks can be inserted to the slots of the main unit. 3 Push the VESA design cover in the slanted position until it touches the other side.
4 Push down on the VESA design cover. ENGLISH CAUTION •• Check whether the detach button has been pushed to the right after attaching the VESA design cover. If the button has not been pushed to the right, push it into position with your hands.
Installing the Wall Mount Bracket ENGLISH 1 2 Place the monitor’s screen face down. To protect the screen from scratches, cover the surface with a soft cloth. Use four screws to attach the wall mount bracket.
NOTE CAUTION •• Be sure to attach the VESA design cover before attaching the wall mount bracket. •• If you use screws longer than the standard length, it may damage the inside of the product. Wall Mount (mm) Standard screw Number of screws Wall Mount Plate (Optional) 100 x 100 M4 x L10 4 RW120 •• Vertical orientation is not recommended. ENGLISH •• Install the monitor at least 100 mm (3.9 inches) away from the wall on each side of the monitor to ensure sufficient ventilation.
MAKING CONNECTIONS ENGLISH Make sure to use the supplied cable. Otherwise, this may cause the device to malfunction. Some of the cables are not provided. CAUTION •• Do not press the screen for a prolonged time. This may cause image distortion. •• Do not display a still image on the screen for a prolonged time. This may cause image retention. Use a screensaver if possible. •• The plugs of the cable may become hot during operation. Do not touch the plug for a long time.
TROUBLESHOOTING Is your monitor connected to your Mac? •• Connect your monitor to your Mac. The monitor will turn on automatically if the PC is operating normally. Is the monitor's power cord plugged in? •• Check if the power cord is correctly plugged into the power outlet. The screen retains an image. Does image sticking occur even when •• Displaying a still image for a prolonged time may cause damage to the screen, the monitor is turned off? resulting in the retention of the image.
PRODUCT SPECIFICATION ENGLISH The product specifications below may be changed without prior notice due to upgrade of product functions. LCD Screen Resolution Video Signal Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen Color Depth ThunderboltTM 3 ( ) Pixel Pitch 0.11625 mm x 0.11625 mm 10-bit color is supported.
Signal Timing Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) 2560 x 1440 88.86 60 +/- 3200 x 1800 111.12 60 +/- 3840 x 2160 133.32 60 +/- 4096 x 2304 142.2 60 +/- 5120 x 2880 177.
Declaration of Conformity Trade Name: LG Model: 27MD5KA, 27MD5KB Responsible Party: LG Electronics Inc. Address: 1 000 Sylvan Ave. Englewood Cliffs NJ 07632 U.S.A TEL: 201-266-2534 To obtain the source code under GPL, LGPL, MPL, and other open source licenses, that is contained in this product, please visit http://opensource.lge.com. In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download.