Summary of Contents for LG UltraFine 4K Monitor 22MD4KA-B
Page 1
OWNER’S MANUAL LG UltraFine 4K Monitor (For Mac) Please read this manual carefully before operating your set and retain it for future reference. 22MD4KA www.lg.com...
TABLE OF CONTENTS SAFETY PRECAUTIONS ----------------3 - On Safety --------------------------------------------3 Do not Open the Display: To Avoid Personal Injury: To Prevent Fire or Hazards: - On Installation ---------------------------------------4 - Precautions to the AC Adapter and Power ---------5 - On Cleaning ------------------------------------------5 - On Repacking ----------------------------------------5 LICENSE ---------------------------------6 ASSEMBLING AND PREPARING ------7...
SAFETY 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 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.
If loosely connected, the poor connection may cause a fire or electric shock. • Be sure to use power cords and AC adapters provided or approved by LG Electronics, Inc. The use of non-approved products may cause a fire or electric shock.
LICENSE Each model has different licenses. Visit www.lg.com for more information on the license. Mac and the Mac logo are trademarks of Apple Inc., registered in the U.S. and other countries.
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. NOTE Without prior notice, all product information and specifications contained in this manual are subject to change to improve the •...
Product Description Front Ambient light sensor Back Power connector Kensington lock hole Stand detach button NOTE The ambient light sensor is for auto brightness control of display and can be controlled by Mac OS. (Refer Page 24) •...
ID Label / Sub ID Label You can view the monitor's ID Label and Sub ID Label. Sub ID Label Stand ID Label * Detaching the Stand (Refer Page 17) NOTE ID Label: the monitor's standard ID label that states model name, production date, country of production, specifications, etc. •...
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. • Place the monitor in the original box or packing material before attempting to move it. •...
Installing on a Table Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm away from the wall to ensure sufficient ventilation. 100 mm 100 mm 100 mm 100 mm Connect the power cord to the monitor and then plug the power cord into the wall outlet.
Cautions When Connecting Power Cord 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. •...
Page 14
WARNING 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.
Adjusting the Angle 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 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 Place the monitor’s screen face down. To protect the screen from scratches, cover the surface with a soft cloth. Push the Detach button on the back of the monitor to the left. Lift up the stand, slightly rotating it. Pull the stand away from the monitor in its rotated position.
Page 18
Check whether the hooks on the stand are separated from the slots of the main unit. Stand hooks 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 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 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.
Page 20
Push down on the VESA design cover. 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 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. (Standard screws: M4 x L10)
Page 22
NOTE • Install the monitor at least 100 mm away from the wall on each side of the monitor to ensure sufficient ventilation. • The wall mount bracket and the wall mount bracket screws are not included. CAUTION Be sure to attach the VESA design cover before attaching the wall mount bracket. •...
MAKING CONNECTIONS 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. •...
TROUBLESHOOTING Nothing is displayed on the screen. Is your monitor connected to your Connect your monitor to your Mac. The monitor will turn on automatically if the PC • Mac? is operating normally. Is the monitor's power cord plugged • Check if the power cord is correctly plugged into the power outlet.
PRODUCT SPECIFICATION The product specifications below may be changed without prior notice due to upgrade of product functions. LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen Color Depth USB Type-C 8-bit color is supported. Pixel Pitch 0.11595 mm x 0.11595 mm Resolution Max Resolution...
Signal Timing Horizontal Frequency Vertical Frequency Resolution Polarity (H/V) Remarks (kHz) (Hz) 1920 x 1080 66.66 2560 x 1440 88.86 3360 x 1890 116.64 3840 x 2160 65.73 3840 x 2160 133.32 4096 x 2304 70.11 4096 x 2304 113.13 4096 x 2304 142.2 Main Recommended Timing...
Page 27
LG Electronics will also provide open source code to you on Make sure to read the Safety Precautions before using the CD-ROM for a charge covering the cost of performing such product.