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LG UltraWide 38CK900G Owner's Manual

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LG UltraWide
Please read this manual carefully before operating your set and
retain it for future reference.
Printed in Korea
Copyright © 2018 LG Electronics Inc. All Rights Reserved.



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  Summary of Contents for LG UltraWide 38CK900G

  • Page 1 OWNER’S MANUAL LG UltraWide All-in-One Please read this manual carefully before operating your set and retain it for future reference. 38CK900G *MFL69200812* Printed in Korea Copyright © 2018 LG Electronics Inc. All Rights Reserved. (1810-REV02)
  • Page 2: Table Of Contents

    TABLE OF CONTENTS LICENSE Each model has different licenses. Visit for more information on the license. LICENSE ............2 The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other IMPORTANT PRECAUTIONS ......3...
  • Page 3: Important Precautions

    - This may cause electrical shock or fire. • LG Electronics Inc. does not provide warranty for data loss. In order to minimize damage from data loss, please • Operate the display only from a power source(i.e. voltage) indicated in the product specification.
  • Page 4 - Otherwise, the product may get damaged. - You may be electrocuted or the product can be damaged. • Please use parts certified by LG Electronics, Inc. • Make sure the panel faces forward and hold it with both hands to move.
  • Page 5 Do not throw away the carton and packing materials. They make an ideal container in which to transport the - Contact LG Customer Service for repair. unit. When shipping the unit to another location, repack it in its original material.
  • Page 6: Open Source Software Notice

    If you use generic cables not certified by LG, the screen may not display or there may be image noises. LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing •...
  • Page 7: Product And Button Description

    Product and Button Description Monitor Joystick Button / Power Indicator How to Use the Joystick Button You can easily control the functions of the monitor by pressing the joystick button or moving it left/right/up/ down with your finger. Basic Functions PC Indicator Press the joystick button once with your finger to Power on...
  • Page 8 Turning on the Power CAUTION • Do not use the AC-DC adapter when it is in an excessively bent position. - If the AC-DC adapter cable is used for long periods while bent, it could cause internal wiring to become Press the button at the front of the product to turn on the power.
  • Page 9 Names of Part Product images in the owner’ s manual are representative models and may differ from actual product in terms of color or appearance Front Back 1 Devices that are not USB 3.1 certified will not work properly with USB 3.1 ports. Built-in microphone DP-IN Port (Monitor) 2 The USB-C...
  • Page 10: Moving And Lifting The Monitor

    Moving and Lifting the Monitor Installing the Wall Mount Plate This monitor meets the specifications for the wall mount plate or other compatible devices. 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.
  • Page 11 • A non-VESA standard screw may damage the product and cause the monitor to fall. LG Electronics is not liable • When measured from the back of the monitor, the length of each installed screw must be 8 mm (0.3 inches) for any accidents relating to the use of non-standard screws.
  • Page 12: Using The Monitor

    USING THE MONITOR DisplayPort Connection Transmits digital video and audio signals from your PC to the monitor. • Illustrations in this manual may differ from the actual product. NOTE Press the joystick button, go to Settings Input, and then select the input option. •...
  • Page 13: Connecting Peripherals

    Connecting Peripherals Headphones Connection Connect peripherals to the monitor via the headphones port. USB Device connection NOTE The USB port on the product functions as a USB hub. • Peripheral devices are sold separately. • Depending on the audio settings of the PC and external device, headphones and speaker functions may NOTE be limited.
  • Page 14: Setup And Upgrade

    SETUP AND UPGRADE Keys Used in System Setup Keys Function Select Screen Starting System Setup Select Item Enter Select System setup means storing the hardware configuration information of the PC in the flash memory. Through system setup, the PC retrieves various information including current date and time, memory capacity, and hard Change Opt.
  • Page 15 Setting the Boot Order The user can change the boot order according to his or her needs, or select a boot device. The model in the example can differ from actual models and is subject to change for performance improvements, without prior notice.
  • Page 16: User Settings

    USER SETTINGS NOTE • Your monitor’ s OSD (On Screen Display) may differ slightly from that shown in this manual. Activating the Main Menu Press the joystick button on the bottom of the monitor. Move the joystick up/down and left/right to set the options. Press the joystick button once more to exit the main menu.
  • Page 17 Main Menu Features Main Menu Description Input Sets input mode. Power Off Power Off Turns off the monitor. Settings Configures the screen settings. Input Exit Settings Game Sets the game mode for gaming. Exit Exits the main menu. Game Menu Settings To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Settings.
  • Page 18 Quick Settings Settings > Quick Settings Description Brightness Adjusts the contrast and brightness of the screen. Contrast Adjusts the volume. Volume NOTE • You can adjust Mute / Unmute by moving the joystick button to in the Volume menu. Custom The user can adjust it to red, green, or blue by customization.
  • Page 19 Input Settings > Input Description Main Input List Selects the input mode. 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. The aspect ratio is not adjusted from the original.
  • Page 20 [PBP] Settings > Input Description Displays the screens of two input modes on one monitor. Main Input List Please refer to the table below for possible PBP combinations. Sub Input List Sub Screen (Right) Input List PBP Connection HDMI DP (DisplayPort) Main Screen (Left) HDMI DP (DisplayPort)
  • Page 21 Picture Settings > Picture Description Custom Allows the user to adjust each element. The color mode of the main menu can be adjusted. Reader Optimizes the screen for reading documents. You can brighten the screen in the OSD menu. Photo Optimizes the screen for photos.
  • Page 22 Settings > Picture Description Brightness Adjusts the contrast and brightness of the screen. Contrast Sharpness Adjusts the sharpness of the screen. High Optimizes the screen for crystal clear images. Best for high-definition video or games. Optimizes the screen for comfortable viewing, with images at the middle level between the low and high Middle modes.
  • Page 23 Settings > Picture Description Sets a response time for displayed pictures based on the speed of the screen. For a normal environment, it is recommended that you use Fast. For a fast-moving picture, it is recommended that you use Faster. Setting to Faster may cause image sticking.
  • Page 24 Settings > Picture Description Mode 1, The higher the gamma value, the darker the image becomes. Likewise, the lower the gamma value, the lighter Mode 2, the image becomes. Gamma Mode 3 Mode 4 If you do not need to adjust the gamma settings, select Mode 4. Custom The user can adjust it to red, green, or blue by customization.
  • Page 25 General Settings > General Description Language Sets the menu screen to the desired language. Conserve energy by using luminance compensation algorithm. High Saves energy using the high-efficiency SMART ENERGY SAVING feature. SMART ENERGY SAVING Saves energy using the low-efficiency SMART ENERGY SAVING feature. Disables the feature.
  • Page 26 Settings > General Description Enables or disables DisplayPort 1.2. DisplayPort 1.2 NOTE • Be sure to configure this option according to the DisplayPort version supported by your graphic card. Set this option to Disable if your graphic card does not support DisplayPort 1.2. This feature disables the configuration and adjustment of menus.
  • Page 27: Troubleshooting

    TROUBLESHOOTING Monitor 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. •...
  • Page 28 Do you see an "Unrecognized monitor, Plug and Play (VESA DDC) monitor found" message? • Have you installed the display driver? Be sure to install the display driver from our web site: • Make sure to check if the graphics card supports Plug and Play function.
  • Page 29: Product Specification

    PRODUCT SPECIFICATION HDMI 8-bit color is supported. Color Depth DP (DisplayPort) 8-bit / 10-bit color is supported. Max Resolution 3840 x 1600 @ 75 Hz HDMI Recommended Resolution 3840 x 1600 @ 60 Hz Resolution Max Resolution 3840 x 1600 @ 75 Hz DP (DisplayPort) Recommended Resolution 3840 x 1600 @ 60 Hz...
  • Page 30 PC Specifications AMD Ryzen 3 or V1202B processor AMD Vega Graphics When processing large graphic data, it utilizes dynamically allocated system memory. The size of the allocated memory depends on the system memory size. DDR4 SODIMM The maximum capacity of the main board is 16 GB. System Memory Memory of 3 GB or more is supported only in a 64-bit O/S.
  • Page 31: Factory Support Mode

    Factory Support Mode (Preset Mode, HDMI/ DisplayPort PC) Preset Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) Remarks 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 1280 x 1024 63.981 60.02...
  • Page 32 Input Timing (Video) Wireless module (Intel AC8265) Specifications Preset Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Wireless LAN (IEEE 802.11 a/b/g/n/ac) 640 x 480p 31.47 Frequency range Output power (Max.) 720 x 480p 31.47 2400 to 2483.5 MHz 19 dBm 1280 x 720p 5150 to 5725 MHz 19 dBm...
  • Page 36 Declaration of Conformity Trade Name: LG Model: 38CK900G Responsible Party: LG Electronics Inc. Address: 1000 Sylvan Ave. Englewood Cliffs NJ 07632 U.S.A TEL: 201-266-2534 This device can be used in all regions. Read the owner's manual carefully and keep it at hand. Please note that the label attached to the product provides information for technical support.