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LCD Monitor
User Manual
U34G3X
www.aoc.com
©
2021 AOC.All Rights Reserved
TM
1

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Table of Contents
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Summary of Contents for AOC U34G3X

  • Page 1 LCD Monitor User Manual U34G3X www.aoc.com © 2021 AOC.All Rights Reserved...
  • Page 2: Table Of Contents

    Safety ....................................1 National Conventions ..............................1 Power ..................................2 Installation ................................. 3 Cleaning ..................................4 Other ..................................5 Setup ....................................6 Contents in Box ................................. 6 Setup Stand & Base ..............................7 Adjusting Viewing Angle ............................8 Connecting the Monitor ............................. 9 Wall Mounting................................
  • Page 3: Safety

    Safety National Conventions The following subsections describe notational conventions used in this document. Notes, Cautions, and Warnings Throughout this guide, blocks of text may be accompanied by an icon and printed in bold type or in italic type. These blocks are notes, cautions, and warnings, and they are used as follows: NOTE: A NOTE indicates important information that helps you make better use of your computer system.
  • Page 4: Power

    Power The monitor should be operated only from the type of power source indicated on the label. If you are not sure of the type of power supplied to your home, consult your dealer or local power company. The monitor is equipped with a three-pronged grounded plug, a plug with a third (grounding) pin. This plug will fit only into a grounded power outlet as a safety feature.
  • Page 5: Installation

    Installation Do not place the monitor on an unstable cart, stand, tripod, bracket, or table. If the monitor falls, it can injure a person and cause serious damage to this product. Use only a cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with this product.
  • Page 6: Cleaning

    Cleaning Clean the cabinet regularly with cloth. You can use soft-detergent to wipe out the stain, instead of strong-detergent which will cauterize the product cabinet. When cleaning, make sure no detergent is leaked into the product. The cleaning cloth should not be too rough as it will scratch the screen surface.
  • Page 7: Other

    Other If the product is emitting a strange smell, sound or smoke, disconnect the power plug IMMEDIATELY and contact a Service Center. Make sure that the ventilating openings are not blocked by a table or curtain. Do not engage the LCD monitor in severe vibration or high impact conditions during operation. Do not knock or drop the monitor during operation or transportation.
  • Page 8: Setup

    Contents in Box Monitor Warranty Card Stand Base CD Manual Power Cable USB Cable HDMI Cable DP Cable Not all signal cables will be provided for all countries and regions. Please check with the local dealer or AOC branch office for confirmation.
  • Page 9: Setup Stand & Base

    Setup Stand & Base Please setup or remove the base following the steps as below. Setup: Remove:...
  • Page 10: Adjusting Viewing Angle

    Adjusting Viewing Angle For optimal viewing it is recommended to look at the full face of the monitor, then adjust the monitor’s angle to your own preference. Hold the stand so you will not topple the monitor when you change the monitor’s angle. You are able to adjust the monitor as below: NOTE: Do not touch the LCD screen when you change the angle.
  • Page 11: Connecting The Monitor

    Connecting the Monitor Cable Connections In Back of Monitor and Computer: 1. USB3.2 Gen1+charging 2. USB3.2 Gen1 3. USB-PC(USB upstream) 4. USB3.2 Gen1x2 5. Power button 6. Power 7. HDMI1x2 8. DPx2 9. Earphone Connect to PC 1. Connect the power cord to the back of the display firmly. 2.
  • Page 12: Wall Mounting

    5. Reconnect the cables. Refer to the user’s manual that came with the optional wall mounting arm for instructions on attaching it to the wall. Noted: VESA mounting screw holes are not available for all models, please check with the dealer or official department of AOC. 0° 90°...
  • Page 13: Adaptive-Sync Function

    Adaptive-Sync function 1. Adaptive-Sync function is working with DP/HDMI 2. Compatible Graphics Card: Recommend list is as the below: • Radeon™ RX Vega series • Radeon™ RX 500 series • Radeon™ RX 400 series • Radeon™ R9/R7 300 series (R9 370/X, R7 370/X, R7 265 except) •...
  • Page 14: Hotkeys

    Hotkeys Source/Exit Game Mode/< Dial Point/> Menu/Enter Power Power Press the Power button to turn on the monitor. Menu/Enter When there is no OSD, Press to display the OSD or confirm the selection. Game Mode/< When there is no OSD, press ”<” key to open game mode function, then press ”<” or “>” key to select game mode (FPS, RTS, Racing, Gamer 1, Gamer 2 or Gamer 3) basing on the different game types.
  • Page 15: Osd Setting

    OSD Setting Basic and simple instruction on the control keys. Luminance Color Setup Picture Boost OSD Setup PIP Setting Game Setting Extra Exit Contrast Gamma Gamma1 Brightness HDR Mode Eco mode Standard 1). Press the MENU-button to activate the OSD window. 2).
  • Page 16: Luminance

    Luminance Luminance Color Setup Picture Boost OSD Setup PIP Setting Game Setting Extra Exit Contrast Gamma Gamma1 Brightness Eco mode Standard HDR Mode Contrast 0-100 Contrast from Digital-register. Brightness 0-100 Backlight Adjustment Standard Standard Mode Text Text Mode Internet Internet Mode Game Game Mode Eco mode...
  • Page 17: Color Setup

    Color Setup Color Setup Luminance Picture Boost OSD Setup PIP Setting Game Setting Extra Exit Color Temp. Warm DCB Mode Green DCB Demo Blue Warm Recall Warm Color Temperature from EEPROM. Normal Recall Normal Color Temperature from EEPROM. Cool Recall Cool Color Temperature from EEPROM. Color Temp.
  • Page 18: Picture Boost

    Picture Boost Picture Boost Luminance OSD Setup PIP Setting Game Setting Extra Exit Color Setup Bright Frame Brightness H. Position Frame Size Contrast V. Position Bright Frame on or off Disable or Enable Bright Frame Frame Size 14-100 Adjust Frame Size Brightness 0-100 Adjust Frame Brightness...
  • Page 19: Osd Setup

    OSD Setup PIP Setting Game Setting Extra Exit Luminance OSD Setup Color Setup Picture Boost Language English H. Position Transparence V. Position Timeout Break Reminder DP Capability 1.2/1.4 Volume Language Select the OSD language Timeout 5-120 Adjust the OSD Timeout Please be noted that only DP1.2 support Adaptive sync DP Capability 1.1/1.2/1.4...
  • Page 20: Pip Setting

    PIP Setting PIP Setting Game Setting Extra Exit Luminance Color Setup Picture Boost OSD Setup Swap PIP Setting Size Small Position Main Source HDMI2 Right-Up Sub Source HDMI1 Audio PIP Setting OFF / PIP / PBP Disable or Enable PIP or PBP. Main Source HDMI1 / HDMI2 / DP Select main screen source.
  • Page 21: Game Setting

    Game Setting Extra Exit Luminance Game Setting Color Setup Picture Boost OSD Setup PIP Setting Adaptive-Sync Game Mode Game Color Shadow Control LowBlue Mode Frame Counter Low Input Lag Overdrive For playing FPS (first Person Shooters) games. Improves dark theme black level details. For playing RTS (Real Time Strategy).
  • Page 22: Extra

    Extra Exit Picture Boost OSD Setup Extra Luminance Color Setup PIP Setting Game Setting Input Select Auto DDC/CI Resolution : 3440x1440 SDR Off Timer Reset H. Frequency : 56 KHz Image Ratio Wide V. Frequency : 60 Hz Input Select Select Input Signal Source Off timer 0-24hrs...
  • Page 23: Exit

    Exit Luminance Exit Color Setup Picture Boost OSD Setup PIP Setting Game Setting Extra Exit Exit the main OSD...
  • Page 24: Led Indicator

    LED Indicator Status LED Color Full Power Mode White Active-off Mode Orange...
  • Page 25: Troubleshoot

    Press to auto-adjust. Please refer to Regulation & Service Information which is in the CD manual Regulation & Service or www.aoc.com (to find the model you purchase in your country and to find Regulation & Service Information in Support page.
  • Page 26: Specification

    Specification General Specification Model name U34G3X Driving system TFT Color LCD Panel Viewable Image Size 86.36 cm diagonal Pixel pitch 0.2325mm(H) x 0.2325mm(V) 30k-160kHz(HDMI) Horizontal scan range 30k-220kHz(DP) Horizontal scan Size(Maximum) 799.8mm 48-120Hz(HDMI) Vertical scan range 48-144Hz(DP) Vertical Scan Size(Maximum) 334.8mm...
  • Page 27: Preset Display Modes

    Preset Display Modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY(kHz) FREQUENCY(Hz) 640x480@60Hz 31.469 59.94 640x480@72Hz 37.861 72.809 640x480@75Hz 37.5 640 x 480@100Hz 50.313 99.826 800x600@60Hz 37.879 60.317 800x600@72Hz 48.077 72.188 SVGA 800x600@75Hz 46.875 800 x 600@100Hz 62.76 99.778 1024x768@60Hz 48.363 60.004 1024x768@70Hz 56.476 70.069 1024x768@75Hz...
  • Page 28: Pin Assignments

    Pin Assignments 19-Pin Color Display Signal Cable Pin No. Signal Name Pin No. Signal Name Pin No. Signal Name TMDS Data 2+ TMDS Data 0- DDC/CEC Ground TMDS Data 2 Shield TMDS Clock + +5V Power TMDS Data 2- TMDS Clock Shield Hot Plug Detect TMDS Data 1+ TMDS Clock-...
  • Page 29: Plug And Play

    Plug and Play Plug & Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities.

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