AOC U27G3X/BK User manual
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©2023 AOC. All Rights Reserved.
®
LCD Monitor
User Manual
U27G3X/BK
i
Safety ..........................................................................................................................................................................................................................................................1
National Conventions.....................................................................................................................................................................................................1
Power ........................................................................................................................................................................................................................................ 2
Installation ............................................................................................................................................................................................................................ 3
Cleaning..................................................................................................................................................................................................................................4
Other ......................................................................................................................................................................................................................................... 5
Setup......................................................................................................................................................................................................................................................... 6
Contents in Box................................................................................................................................................................................................................. 6
Stand & Base Setup....................................................................................................................................................................................................... 7
Adjusting Viewing Angle...........................................................................................................................................................................................8
Connecting the Monitor ............................................................................................................................................................................................ 9
Wall Mounting................................................................................................................................................................................................................. 10
Adaptive-Sync function.............................................................................................................................................................................................12
G-SYNC Compatible function...............................................................................................................................................................................13
HDR.......................................................................................................................................................................................................................................... 14
Adjusting...............................................................................................................................................................................................................................................15
Hotkeys...................................................................................................................................................................................................................................15
OSD Setting........................................................................................................................................................................................................................16
Luminance...........................................................................................................................................................................................................17
Color Setup......................................................................................................................................................................................................... 18
Picture Boost......................................................................................................................................................................................................19
OSD Setup.......................................................................................................................................................................................................... 20
PIP Setting...........................................................................................................................................................................................................21
Game Setting....................................................................................................................................................................................................22
Extra .........................................................................................................................................................................................................................23
Exit............................................................................................................................................................................................................................ 24
LED Indicator....................................................................................................................................................................................................................25
Troubleshoot.................................................................................................................................................................................................................................... 26
.....................................................................................................................................................................................................................................27
.................................................................................................................................................................................................27
Preset Display Modes................................................................................................................................................................................................ 28
Pin Assignments........................................................................................................................................................................................................... 29
Plug and Play...................................................................................................................................................................................................................30
1
Safety
National Conventions
The following subsections describe national 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.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to
avoid the problem.
WARNING: A WARNING indicates the potential for bodily harm and tells you how to avoid the problem.
Some warnings may appear in alternate formats and may be unaccompanied by an icon. In such cases, the
2
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.
the three-wire plug, have an electrician install the correct outlet, or use an adapter to ground the appliance
safely. Do not defeat the safety purpose of the grounded plug.
Unplug the unit during a lightning storm or when it will not be used for long periods of time. This will
protect the monitor from damage due to power surges.
To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate
The wall socket shall be installed near the equipment and shall be easily accessible.
3
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. Follow the manufacturer’s instructions when
installing the product and use mounting accessories recommended by the manufacturer. A product and
cart combination should be moved with care.
or electric shock. Never spill liquids on the monitor.
If you mount the monitor on a wall or shelf, use a mounting kit approved by the manufacturer and
follow the kit instructions.
Leave some space around the monitor as shown below. Otherwise, air-circulation may be inadequate
To avoid potential damage, for example the panel peeling from the bezel, ensure that the monitor does
not tilt downward by more than -5 degrees. If the -5 degree downward tilt angle maximum is exceeded, the
monitor damage will not be covered under warranty.
See below the recommended ventilation areas around the monitor when the monitor is installed on the wall
or on the stand:
Installed with stand
Installed with stand
12 inches
30cm
4 inches
10cm
4 inches
10cm
4 inches
10cm
Leave at least this much
space around the set
4
Cleaning
Clean the cabinet regularly with a water-dampened, soft cloth.
allow liquid into the case.
Please disconnect the power cord before cleaning the product.
5
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.
IThe power cords shall be safety approved. For Germany, it shall be H03VV-F, 3G, 0.75 mm2, or better. For
other countries, the suitable types shall be used accordingly.
IExcessive sound pressure from earphones and headphones can cause hearing loss. Adjustment of the
equalizer to maximum increases the earphones and headphones output voltage and therefore the sound
pressure level.
6
Setup
Contents in Box
*
*
Quick Start Guide Warranty card Stand Base
Power Cable HDMI Cable DP Cable
*
*
Monitor
Not all signal cables will be provided for all countries and regions. Please check with the local dealer or
7
Stand & Base Setup
Please setup or remove the base following the steps as below.
Setup:
Remove:
8
Adjusting Viewing Angle
To achieve the best viewing experience, it is recommended that the user can make sure they are able to look
at their whole face on the screen, then adjust the monitor’s angle based on personal 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:
130mm
30°
30°
90°
90°
NOTE:
Do not touch the LCD screen when you change the angle. It may cause damage or break the LCD screen.
WARNING:
1. To avoid potential screen damage, such as panel peeling, ensure that the monitor does not tilt downward
by more than -5 degrees.
2. Do not press the screen while adjusting the angle of the monitor. Grasp only the bezel.
9
Connecting the Monitor
Cable Connections In Back of Monitor:
36
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24
5
1. HDMI1
2. HDMI2
3. DP1
4. DP2
5. Earphone
6. Power
Connect to PC
1.
2. Turn off your computer and unplug its power cable.
3. Connect the display signal cable to the video connector on the back of your computer.
4. Plug the power cord of your computer and your display into a nearby outlet.
5. Turn on your computer and display.
If your monitor displays an image, installation is complete. If it does not display an image,please refer to
Troubleshoot.
To protect equipment, always turn off the PC and LCD monitor before connecting.
10
Wall Mounting
Preparing to Install An Optional Wall Mounting Arm.
This monitor can be attached to a wall mounting arm you purchase separately. Disconnect power before this
procedure. Follow these steps:
1. Remove the base.
2. Follow the manufacturer’s instructions to assemble the wall mounting arm.
3. Place the wall mounting arm onto the back of the monitor. Line up the holes of the arm with the holes in
the back of the monitor.
4. Insert the 4 screws into the holes and tighten.
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.
M4
100mm
100mm
M=4.0Max
Dk=8.0 H=2.0
L=10+X
D3.86-3.96
M4-P0.7
Note: VESA mounting screw holes are not available for all models, please check with the dealer or
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WARNING:
1. To avoid potential screen damage, such as panel peeling, ensure that the monitor does not tilt downward
by more than -5 degrees.
2. Do not press the screen while adjusting the angle of the monitor. Grasp only the bezel.
12
Adaptive-Sync function
1. Adaptive-Sync function works with DP/HDMI
2. Compatible Graphics Card: Recommended list is as below, also could be checked by visiting www.AMD.
com
Graphics Cards
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•
•
• Radeon™ R9/R7 300 series （ except）
• Radeon™ Pro Duo (2016)
• Radeon™ R9 Nano series
• Radeon™ R9 Fury series
• except)
Processors
• AMD Ryzen™ 7 2700U
• AMD Ryzen™ 5 2500U
• AMD Ryzen™ 5 2400G
• AMD Ryzen™ 3 2300U
• AMD Ryzen™ 3 2200G
• AMD PRO A12-9800
• AMD PRO A12-9800E
• AMD PRO A10-9700
• AMD PRO A10-9700E
• AMD PRO A8-9600
• AMD PRO A6-9500
• AMD PRO A6-9500E
• AMD PRO A12-8870
• AMD PRO A12-8870E
• AMD PRO A10-8770
• AMD PRO A10-8770E
• AMD PRO A10-8750B
• AMD PRO A8-8650B
• AMD PRO A6-8570
• AMD PRO A6-8570E
• AMD PRO A4-8350B
• AMD A10-7890K
• AMD A10-7870K
• AMD A10-7850K
• AMD A10-7800
• AMD A10-7700K
• AMD A8-7670K
• AMD A8-7650K
• AMD A8-7600
• AMD A6-7400K
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G-SYNC Compatible function
1. G-SYNC Compatible function is working with DP
2. To enjoy the perfect gaming experience with G-SYNC, you need to purchase a Separate NVIDIA GPU card
that supports G-SYNC.
G-sync system requirements
Desktop computer connected to G-SYNC monitor:
Graphics cards supported: G-SYNC
cards.
Driver: R340.52 or later
Operating system:
Windows 10
Windows 8.1
Windows 7
System requirements: DisplayPort 1.2 of the GPU must be supported.
Notebook computer connected to G-SYNC monitor:
Driver: R340.52 or higher
Operating system:
Windows 10
Windows 8.1
Windows 7
System requirements: DisplayPort 1.2 driven directly from the GPU must be supported.
For more information about NVIDIA G-SYNC, please visit: https://www.nvidia.cn/
•
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HDR
It is compatible with input signals in HDR10 format.
The display may automatically activate the HDR function if the player and content are compatible. Please
contact the device manufacturer and the content provider for information on the compatibility of your
device and content. Please select “OFF” for the HDR function when you have no need for automatical
activation function.
Note:
1. No special setting is needed for the DisplayPort/HDMI interface in WIN10 versions lower (older) than
V1703.
2. Only the HDMI interface is available and the DisplayPort interface cannot function in WIN10 version
V1703.
3. 3840 x 2160
a. The display resolution is set to 3840 x 2160, and HDR is preset to ON. Under these conditions, the screen
may slightly dim, indicating HDR has been activated.
b. After entering an application, the best HDR effect can be achieved when the resolution is changed to
3840 x 2160 (if available).
3840 x 2160
15
Adjusting
Hotkeys
1 Source/Exit
2 Game Mode/<
3 Dial Point/>
4 Menu/Enter
5Power
Power
Press the Power button to turn on the monitor.
Menu/Enter
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.
Dial Point/>
When there is no OSD, press Dial Point button to show / hide Dial Point.
Source/Exit
When the OSD is closed, press Source/Exit button will be Source hot key function.
(Only for the models with D-Sub).
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OSD Setting
Basic and simple instruction on the control keys.
Luminance Color Setup Picture Boost OSD Setup ExitExtra
Contrast 50
Brightness 70
Eco Mode Standard
Gamma Gamma 1
DCR Off
HDR Mode Off
Game Setting
PIP Setting
PIP
1). Press the Menu-button to activate the OSD window.
2). Press Left or Right to navigate through the functions. Once the desired function is highlighted, press
the Menu-button to activate it, press Left or Right to navigate through the sub-menu functions.
Once the desired function is highlighted, press Menu-button to activate it.
3). Press Left or to change the settings of the selected function. Press to exit. If you want to adjust
any other function, repeat steps 2-3.
4). OSD Lock Function: To lock the OSD, press and hold the Menu-button while the monitor is off and
then press power button to turn the monitor on. To unlock the OSD - press and hold the Menu-
button while the monitor is off and then press power button to turn the monitor on.
Notes:
1). If the product has only one signal input, the item of “Input Select” is disable to adjust.
2).
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Luminance
Luminance Color Setup Picture Boost OSD Setup ExitExtra
Contrast 50
Brightness 70
Eco Mode Standard
Gamma Gamma 1
DCR Off
HDR Mode Off
Game Setting
PIP Setting
PIP
Contrast 0-100 Contrast from Digital-register.
Brightness 0-100 Backlight Adjustment
Eco mode
Standard Standard Mode
Text Text Mode
Internet Internet Mode
Game Game Mode
Movie Movie Mode
Sports Mode
Reading Reading Mode
Uniformity Uniformity Mode
Gamma
Gamma1 Adjust to Gamma 1
Gamma2 Adjust to Gamma 2
Gamma3 Adjust to Gamma 3
DCR
Off Disable dynamic contrast ratio
On Enable dynamic contrast ratio
HDR
Off
requirements.
Note:
When HDR is detected, the HDR option is
displayed for adjustment.
DisplayHDR
HDR Picture
HDR Movie
HDR Game
HDR Mode
OFF
Adjust HDR Mode.
HDR
Picture
HDR Movie
HDR Game
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Color Setup
Picture Boost OSD Setup ExitExtra
Luminance
Red 50
Green 50
Blue 50DCB Demo Off
Color Temp. Warm
DCB Mode Off
Color Setup
Game Setting
PIP Setting
PIP
Color Temp.
Warm Recall Warm Color Temperature from EEPROM.
Normal Recall Normal Color Temperature from EEPROM.
Cool Recall Cool Color Temperature from EEPROM.
sRGB Recall SRGB Color Temperature from EEPROM.
User
Red Gain from Digital-register
Green Gain Digital-register.
Blue Gain from Digital-register
DCB Mode
Full
Enhance Disable or Enable Full Enhance Mode
Nature Skin Disable or Enable Nature Skin Mode
Green Field Disable or Enable Green Field Mode
Sky-blue Disable or Enable Sky-blue Mode
Auto Detect Disable or Enable AutoDetect Mode
OFF Disable or Enable OFF Mode
DCB Demo on or off Disable or Enable Demo
Red 0-100 Red gain from Digital-register.
Green 0-100 Green gain from Digital-register.
Blue 0-100 Blue gain from Digital-register.
Note:
When “HDR Mode” under “Brightness” is set to a non-off state, all items under “Color Settings” cannot be
adjusted.
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