OWNER’S MANUAL IPS LED Monitor (LED Monitor*) * L G LED Monitor applies LCD screen with LED backlights. Please read this manual carefully before operating your set and retain it for future reference. 38UC99 38CB99 www.lg.
ENGLISH TABLE OF CONTENTS LICENSE........................................3 ASSEMBLING AND PREPARING.4 -- Product Composition...................................................4 -- Supported Drivers and Software..........................5 -- Product and Button Description...........................6 How to Use the Joystick Button Input Connector -- Moving and Lifting the Monitor............................8 -- Installing the Monitor .............................................
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. VESA, VESA logo, DisplayPort compliance logo and DisplayPort compliance logo for dual-mode source devices are all registered trademarks of the Video Electronics Standards Association.
ENGLISH ASSEMBLING AND PREPARING Product Composition Please check whether all the components are included in the box before using the product. If there are any missing components, contact the retailer where you purchased the product. Note that the product and related components may look different from those shown here.
•• 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. NOTE •• The components may look different from those illustrated here.
Product and Button Description How to Use the Joystick Button ENGLISH You can easily control the functions of the monitor by pressing the joystick button or moving it left/right with your finger. Basic Functions / Joystick Button / Power LED •• On: Power on •• Off: Power off Power on Press the joystick button once with your finger to turn on the monitor. Power off Press and hold the joystick button once with your finger to turn off the monitor.
Input Connector ENGLISH
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.
ENGLISH •• If you use the monitor panel without the stand base, its joystick button may cause the monitor to become unstable and fall, resulting in damage to the monitor or human injury. In addition, this may cause the joystick button to malfunction.
Installing the Monitor ENGLISH Assembling the Stand 1 CAUTION •• To protect the screen, place the screen face down on the screen pad which is inside the box.
3 4 ENGLISH Cable Holder * Assemble the Cable Holder.
NOTE ENGLISH •• Press the stand until the button reaches the top. Installing on a Table 1 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. 100 mm (3.9 inches) 100 mm (3.9 inches) CAUTION •• Illustrations in this document represent typical procedures, so they may look different from the actual product. •• Do not apply foreign substances (oils, lubricants, etc.
2 Connect the power adapter to the monitor and then plug the power cord into CAUTION •• Unplug the power cord before moving or installing the monitor. There is risk of electric shock. Cautions When Connecting Power Cord 3 Press the joystick button on the bottom of the monitor to turn on the monitor. 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.
ENGLISH Adjusting the Stand Height Adjusting the Angle 1 Place the monitor mounted on the stand base in an upright position. 2 Handle the monitor with both hands for safety. 1 Place the monitor mounted on the stand base in an upright position. 2 Adjust the angle of the screen. The angle of the screen can be adjusted forward or backward from -5° to 15° for a comfortable viewing experience. 15 Max 110.0 mm (4.
•• To avoid injury to the fingers when adjusting the screen, do not hold the lower part of the monitor’s frame as illustrated below. 15 •• Be careful not to touch or press the screen area when adjusting the angle of the monitor. -5 15 -5 NOTE •• The left or right side of the monitor head can be slightly rotated up or down (up to 3°). Adjust the horizontal level of the monitor head.
ENGLISH Tidying up Cables Using the Kensington Lock Arrange the cables using the cable holder as shown in the illustration. 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. Cable holder NOTE •• The Kensington security system is optional.
Installing the Wall Mount Plate 1 Place the monitor’s screen face down. To protect the screen from scratches, This monitor meets the specifications for the wall mount plate or other compatible devices. cover the surface with a soft cloth. 2 Remove the stand from the monitor by pressing the button on the bottom center of the back of the monitor. 1 Place the screen face down.
Installing on the Wall ENGLISH Install the monitor at least 100 mm (3.9 inches) away from the wall and leave about 100 mm (3.9 inches) of space at each side of the monitor to ensure sufficient ventilation. Detailed installation instructions can be obtained from your local retail store. Alternatively, please refer to the manual for how to install and set up a tilting wall mounting bracket. To install the monitor to a wall, attach a wall mounting bracket (optional) to the back of the monitor.
NOTE Wall Mount Plate Back of the Monitor CAUTION
•• Unplug the power cord before moving or installing the monitor to avoid electric shock. •• Installing the monitor on the ceiling or on a slanted wall may result in the monitor falling off, which could lead to injury. Use an authorized LG wall mount and contact the local dealer or qualified personnel. •• Applying excessive force when tightening screws may cause damage to the monitor.
ENGLISH USING THE MONITOR •• The following instructions are based on the 38UC99 model. Illustrations in this manual may differ from the actual product. Press the joystick button, go to Menu → Input, and then select the input option. 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.
•• Make sure to use the supplied HDMI cable of the product. Otherwise, this may cause the device to malfunction. •• Connecting your PC to the monitor using the HDMI cable may cause device compatibility issues. •• Using a DVI to HDMI / DP (DisplayPort) to HDMI cable may cause compatibility issues. •• Use 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.
USB-C connection ENGLISH Transmits digital video and audio signals and USB data from your PC to the monitor. Connect the monitor to your PC using the USB-C cable as shown in the illustration below. Press the menu button and then select the input option from the input menu. (USB C-C cable) NOTE •• PD (Power Delivery), DP Alternate Mode (DP over USB-C) and USB Data are supported via USB-C Port. •• Features may not work properly depending on the connected device’s specifications and the environment.
Connecting Peripherals HDMI Connection USB Cable connection HDMI transmits digital video and audio signals from your AV device to the monitor. Connect your AV device to the monitor using the HDMI cable as shown in the illustration below. The USB port on the product functions as a USB hub. Please connect the USB C-C cable or USB C-C cable + USB C-A gender to the PC. To use USB 3.0, connect the USB C-C cable + USB C-A gender of the product to the PC.
Connecting Headphones NOTE ENGLISH •• Make sure to install the most recent Windows OS service pack before using the product. •• Peripheral devices are sold separately. •• A keyboard, mouse, or USB device can be connected to the USB port. •• Quick Charge is available through the USB1 and USB2 port. •• When the Monitor is gone to Power off, Quick Charge is not available. •• The charging speed may vary depending on the device.
Service only port ENGLISH The port is used only for "Service".
ENGLISH USER SETTINGS Activating the Main Menu Button Menu Status Main menu disabled Enables the main menu. Main menu enabled Exits the main menu. (Holding down the button to turn off the monitor. You can turn off the monitor this way at any time, including when the OSD is on.) 1 Press the joystick button on the bottom of the monitor. 2 Move the joystick up/down ( / ) and left/right ( / ) to set the options. 3 Press the joystick button once more to exit the main menu.
Main Menu Features Power Off Input Exit Bluetooth Audio Menu Description Input Sets input mode. Power Off Turns off the monitor. Menu Configures the screen settings. Bluetooth Audio Reconnects to previously connected Bluetooth devices or disconnects from already connected Bluetooth devices. Exit Exits the main menu.
User Settings ENGLISH Menu Settings 1 2 3 4 To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Menu. Configure the options by moving the joystick up/down/left/right. To return to the upper menu or set other menu items, move the joystick to or by pressing ( / Ok). If you want to exit the OSD menu, move the joystick to until you exit. •• When you enter the menu, instructions on how to use the button will appear in the bottom right corner of the screen.
Each option is described below. Brightness Contrast Volume Description Adjusts the color contrast and brightness of the screen. Adjusts the volume level. NOTE •• You can adjust Mute / Unmute by moving the joystick button to in the Volume menu. •• The available minimum and maximum volumes for Bluetooth Audio depend on the monitor's OSD volume. Input Screen Off Turns off the monitor's backlight and plays only the audio from the connected input or Bluetooth device.
Picture ENGLISH Picture Mode Changes the picture mode to the one optimized for a given feature. Picture Adjust Adjusts the Brightness, Contrast, Sharpness, SUPER RESOLUTION+, Black Level, and DFC. Game Adjust Adjusts the Response Time, FreeSync, Black Stabilizer, and 1ms Motion Blur Reduction. Color Adjust Adjusts the Gamma, Color Temp, Red, Green, Blue, and Six Color. Screen Off Turns off the monitor's backlight and plays only the audio from the connected input or Bluetooth device.
Quick Settings To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Menu. Go to Quick Settings by moving the joystick. Configure the options following the instructions that appear in the bottom right corner. To return to the upper menu or set other menu items, move the joystick to or by pressing ( / Ok). If you want to exit the OSD menu, move the joystick to until you exit.
Each option is described below. ENGLISH Menu > Quick Settings Brightness Contrast Volume Description Adjusts the color contrast and brightness of the screen. Adjusts the volume level. NOTE •• You can adjust Mute / Unmute by moving the joystick button to in the Volume menu. •• The available minimum and maximum volumes for Bluetooth Audio depend on the monitor's OSD volume. Screen Off Turns off the monitor's backlight and plays only the audio from the connected input or Bluetooth device.
Input To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Menu. Go to Input by moving the joystick. Configure the options following the instructions that appear in the bottom right corner. To return to the upper menu or set other menu items, move the joystick to or by pressing ( / Ok). If you want to exit the OSD menu, move the joystick to until you exit.
Each option is described below. ENGLISH Menu > Input Description Main Input List Selects the input mode. Aspect Ratio Adjusts the aspect ratio of the screen. Full Wide Displays the video in widescreen, regardless of the video signal input. Original Displays video according to the aspect ratio of the video signal input. 1:1 The aspect ratio is not adjusted from the original. Cinema1 Enlarges the screen with an aspect ratio of 21:9.
[PBP] Input List Description Displays the screens of two input modes on one monitor. Main Input List Sub Input List PBP combinations are not supported between HDMI inputs or DisplayPort inputs. PBP Connection Main Screen (Left) Aspect Ratio ENGLISH Menu > Input Sub Screen (Right) HDMI 1 HDMI 2 DisplayPort USB-C HDMI 1 X X O O HDMI 2 X X O O DisplayPort O O X X USB-C O O X X Adjusts the aspect ratio of the screen.
Picture ENGLISH 1 2 3 4 5 To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Menu. Go to Picture by moving the joystick. Configure the options following the instructions that appear in the bottom right corner. To return to the upper menu or set other menu items, move the joystick to or by pressing ( / Ok). If you want to exit the OSD menu, move the joystick to until you exit.
Each option is described below. Picture Mode Description Custom Allows the user to adjust each element. The color mode of the main menu can be adjusted. Reader Optimizes the screen for viewing documents. You can brighten the screen in the OSD menu. Photo Optimizes the screen for photos. Cinema Optimizes the screen for video. Dark Room 1 This mode adjusts the brightness to the optimal level for working in a dark environment.
Menu > Picture ENGLISH Picture Adjust Description Brightness Contrast Adjusts the color contrast and brightness of the screen. Sharpness Adjusts the sharpness of the screen. SUPER RESOLUTION+ High Optimizes the screen for crystal clear images. Best for high-definition video or games. Middle Optimizes the screen for comfortable viewing, with images at the middle level between the low and high modes. Best for UCC or SD videos. Low Optimizes the screen for smooth and natural images.
Menu > Picture Response Time FreeSync Sets a response time for displayed pictures based on the speed of the screen. For a normal environment, it is recommended that you use Normal. For a fast-moving picture, it is recommended that you use Fast. Setting to Fast may cause image sticking. Fast Sets the response time to high. Normal Sets the response time to middle. Slow Sets the response time to low. Off Does not use the response time improvement feature.
Menu > Picture ENGLISH Game Adjust Description Black Stabilizer You can control the black contrast to have better visibility in dark scenes. Increasing the Black Stabilizer value brightens the low gray level area on the screen. (You can easily distinguish objects on dark game screens.) Reducing the Black Stabilizer value darkens the low gray level area and increases the dynamic contrast on the screen. 1ms Motion Blur Reduction On This mode minimizes motion blur in fast-moving videos.
Menu > Picture Gamma Custom gamma settings: Gamma 0, Gamma 1, Gamma 2. The higher the gamma value, the darker the image becomes. Likewise, the lower the gamma value, the lighter the image becomes. Color Temp Custom The user can adjust it to red, green, or blue by customization. Warm Sets the screen color to a reddish tone. Medium Sets the screen color to between a red and blue tone. Cool Sets the screen color to a bluish tone.
Sound ENGLISH 1 2 3 4 5 To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Menu. Go to Sound by moving the joystick. Configure the options following the instructions that appear in the bottom right corner. To return to the upper menu or set other menu items, move the joystick to or by pressing ( / Ok). If you want to exit the OSD menu, move the joystick to until you exit.
Each option is described below. Volume Description Adjusts the volume level. NOTE •• You can adjust Mute / Unmute by moving the joystick button to in the Volume menu. •• The available minimum and maximum volumes for Bluetooth Audio depend on the monitor's OSD volume. Bluetooth Audio On Connects to a previously connected Bluetooth device. Off Disconnects from an already connected Bluetooth device.
General ENGLISH 1 2 3 4 5 To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Menu. Go to General by moving the joystick. Configure the options following the instructions that appear in the bottom right corner. To return to the upper menu or set other menu items, move the joystick to or by pressing ( / Ok). If you want to exit the OSD menu, move the joystick to until you exit.
Each option is described below. Description Language Sets the menu screen to the desired language. SMART ENERGY SAVING Conserve energy by using luminance compensation algorithm. Power LED High Saves energy using the high-efficiency SMART ENERGY SAVING feature. Low Saves energy using the low-efficiency SMART ENERGY SAVING feature. Off Disables the SMART ENERGY SAVING feature. Turns the power LED on the front of the monitor On or Off. On The power LED turns on automatically.
Menu > General ENGLISH Quick Charge Description Quick Charge is a feature that rapidly charges the device connected to the USB 3.0 port. On Enables Quick Charge. Off Disables Quick Charge. NOTE •• The charging speed may vary depending on the device. OSD Lock This feature disables the configuration and adjustment of menus. On Enables OSD Lock. Off Disables OSD Lock. NOTE •• All features are disabled except Brightness, Contrast, Volume in Quick Settings, Input and OSD Lock in General.
Nothing is displayed on the screen. Is the monitor's power cord plugged in? •• Check if the power cord is correctly plugged into the power outlet. Is the power LED on? •• Check the power cable connection and press the power button. Is the power on and the power LED displaying white? •• Check that the connected input is enabled (Menu > Input). Is the power LED blinking? •• If the monitor is in sleep mode, move the mouse, or press any key on the keyboard, to switch the display on.
The screen retains an image. ENGLISH Does image sticking occur even when the monitor is turned off? •• Displaying a still image for a prolonged time may cause damage to the screen, resulting in the retention of the image. •• To extend the lifetime of the monitor, use a screensaver. Screen display is unstable and shaky. / Images displayed on the monitor leave shadow trails.
The display color is abnormal. •• Set the color to 24 bit (true color) or higher. In Windows, go to Control Panel > Display > Settings > Color Quality. (The settings may differ depending on the operating system (OS) you use.) Does the display color appear unstable or monochrome? •• Check if the signal cable is connected properly. Reconnect the cable or reinsert the PC's graphic card.
ENGLISH PRODUCT SPECIFICATION LCD Screen Resolution Video Signal Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen Color Depth HDMI 8-bit color is supported. DP (DisplayPort) 8-bit / 10-bit color is supported. Pixel Pitch 0.22908 mm x 0.22908 mm Max Resolution 3840 x 1600 @ 75 Hz Recommended Resolution 3840 x 1600 @ 60 Hz Horizontal Frequency 30 kHz to 125 kHz Vertical Frequency 56 Hz to 75 Hz Synchronization Separate Sync.
Operating Conditions Storing Conditions Dimensions Weight (Without Packaging) Temperature 0 °C to 40 °C (32 °F to 104 °F) Humidity Less than 80 % Temperature -20 °C to 60 °C (-4 °F to 140 °F) Humidity Less than 85 % Monitor Size (Width x Height x Depth) With Stand 897.2 mm x 466.2 mm x 230.4 mm (35.3 inches x 18.3 inches x 9.0 inches) Without Stand 897.2 mm x 394.0 mm x 91.5 mm (35.3 inches x 15.5 inches x 3.6 inches) With Stand 9.3 kg (20.5 lbs) Without Stand 7.7 kg (16.
Factory Support Mode ENGLISH (Preset Mode, HDMI/ DisplayPort/ USB-C PC) Preset Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) 640 x 480 31.469 59.94 -/- 800 x 600 37.879 60.317 +/+ 1024 x 768 48.363 60.0 -/- 1152 x 864 54.347 60.05 +/+ 1280 x 720 45 60 +/+ 1280 x 1024 63.981 60.02 +/+ 1600 x 900 60.00 60.00 +/+ 1680 x 1050 65.29 59.954 -/+ 1920 x 1080 67.50 60 +/- 1920 x 1080 83.894 74.973 +/- 3440 x 1440 88.82 59.
HDMI Timing (Video) Wireless module (WB1NP6) Specifications Horizontal Frequency (kHz) Vertical Frequency (Hz) 640 x 480p 31.47 60 720 x 480p 31.47 60 720 x 576p 31.25 50 1280 x 720p 45 60 1280 x 720p 37.5 50 1920 x 1080p 67.5 60 1920 x 1080p 56.25 50 2560 x 1080p 56.25 60 2560 x 1080p 66 50 1920 x 1080i 28.125 50 1920 x 1080i 33.
Declaration of Conformity Trade Name: LG Model: 38UC99, 38CB99 Responsible Party: LG Electronics Inc. Address: 1000 Sylvan Ave. Englewood Cliffs NJ 07632 U.S.A TEL: 201-266-2534 This device meets the EMC requirements for home appliances (Class B) and is intended for home usage. This device can be used in all regions. Read the owner's manual (CD) carefully and keep it at hand. Please note that the label attached to the product provides information for technical support. Model Serial No.
