AOC 22B20JHN2 LCD Monitor User Manual

: June 21, 2024
: AOC

AOC 22B20JHN2 LCD Monitor

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.
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 warning is mandated by regulatory authority.

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.
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.
Do not overload power strips and extension cords. Overloading can result in fire or electric shock.
To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate configured receptacles marked between 100-240V AC, Min. 5A. /
The wall socket shall be installed near the equipment and shall be easily accessible.
For use only with the attached power adapter.
Manufacturers: DONGGUAN YIDAI POWER TECHNOLOGY CO.,LTD.
Model: YD-BE1200200EU-B01 Input:100-240V~ 50/60Hz 1.0A Max, Output:12VDC,2.0A
Manufacturers: Sunlin Technology (Hengyang) Co., Ltd.
Model: SLA024-W12-C04 Input:100-240V~ 1.0A 50/60Hz, Output:12VDC,2.0A

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.
Never push any object into the slot on the monitor cabinet. It could damage circuit parts causing a fire or electric shock. Never spill liquids on the monitor.
Do not place the front of the product on the floor. 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 hence overheating may cause a fire or damage to
the monitor.
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:

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.
Please disconnect the power cord before cleaning the product.

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.
For display with glossy bezel the user should consider the placement of the display as the bezel may cause disturbing reflections from surrounding light and bright surfaces.

Setup

Contents in Box

Not all signal cables will be provided for all countries and regions. Please check with the local dealer or AOC branch office for confirmation.

Setup Stand & Base
Please setup or remove the base following the steps as below.

Setup:

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. It may cause damage or break the LCD screen.

WARNING:

To avoid potential screen damage, such as panel peeling, ensure that the monitor does not tilt downward by more than -5 degrees.
Do not press the screen while adjusting the angle of the monitor. Grasp only the bezel.

Connecting the Monitor

Cable Connections In Back of Monitor and Computer:

HDMI
VGA(D-SUB)
Power

Connect to PC

Connect the power cord to the back of the display firmly.
Turn off your computer and unplug its power cable.
Connect the display signal cable to the video connector on the back of your computer.
Plug the power cord of your computer and your display into a nearby outlet.
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 Troubleshooting.

To protect equipment, always turn off the PC and LCD monitor before connecting.

Wall Mounting
Preparing to Install An Optional Wall Mounting Arm.

This product can be wall-mounted via a bracket adapter, compatible with 100×100mm VESA wall mounts. The bracket adapter is an optional component, and if you require wall-mount installation, please contact the manufacturer.Disconnect power before this procedure.
Follow these steps:

Remove the base.
Follow the manufacturer’s instructions to assemble the wall mounting arm.
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.
Insert the 4 screws into the holes and tighten.
Reconnect the cables.

Noted: VESA mounting screw holes are not available for all models, please check with the dealer or official department of AOC.

Display design may differ from those illustrated.

WARNING

To avoid potential screen damage, such as panel peeling, ensure that the monitor does not tilt downward by more than -5 degrees.
Do not press the screen while adjusting the angle of the monitor. Grasp only the bezel.

Adjusting

Hotkeys

1	Source/Auto/Exit/Up
2	Eco mode/DCR/Down
3	Clear Vision/Reduce/Left
4	Image ratio/Increase/Right
5	Power/Menu/Enter

Power/Menu/Enter
When the monitor is in the power-off state, press this button to turn on the monitor power.
When the monitor is in the power-on state, press this button to activate the OSD menu or confirm function adjustment; When the OSD menu is closed, press and hold this button for about 2 seconds to turn off the monitor.

Image Ratio/Increase/Right
When the OSD menu is closed, press the “Right” button to enter the image ratio switching function. Use the “Left” or “Right” button to switch between 4:3 or widescreen display modes. (If the product input resolution is widescreen mode, the “Image Ratio” item in the OSD cannot be adjusted).

Eco mode/DCR/Down
When the OSD menu is closed, press the “Down” button to enter the brightness scene mode/dynamic contrast adjustment. Use the “Left” or “Right” button to select different brightness scene modes and turn on dynamic contrast.

Source/Auto/Exit/Up

When the OSD menu is closed, if the input is D-SUB, press and hold the “Up” button for about 2 seconds to enter the auto-adjust function. The auto-adjust function will automatically set the horizontal position, vertical position, clock, and phase. When the OSD menu is closed, press the “Up” button to activate the signal source switching function. Use the “Up” or “Down” button to select the signal source displayed in the information bar. Press the “Menu” button to adjust to the selected signal source.
When the OSD menu is active, the “Up” button serves as the exit key (to exit the OSD menu).

Clear Vision

When there is no OSD, Press the “ <” button to activate Clear Vision.
Use the ” Left” or “Right” buttons to select between weak, medium, strong, or off settings.
press and hold ” Left” button for 5 seconds to activate the Clear Vision Demo, and a message of “Clear Vision Demo: on” will be display on the screen for a duration of 5 seconds. Press Menu or Exit button, the message will disappear. Press and hold ” Piaht” button for 5 seconds again Clear Vision Demo will be off

Clear Vision function provides the best image viewing experience by converting low resolution and blurry images into clear and vivid images.

OSD Setting

Basic and simple instruction on the control keys.

Press the power button to activate the OSD window.
Press ” L eft ” or ” R ight ” button to navigate through the functions. Once the desired function is highlighted, press the ” Down ” button to activate it, press “ Up ” ” Down ” ” Left ” ” Right ” button to navigate through the sub-menu functions. Once the desired function is highlighted, press power button to activate it.
Press ” Left ” or ” Right ” button to change the settings of the selected function. Press power button to exit.
If you want to adjust any other function, repeat steps 2-3.
OSD Lock Function: When the OSD menu is closed, Long press the ” down ” button for about 10 seconds to lock or unlock the OSD menu.

Notes:

If the input signal resolution of the product is local resolution or Adaptive Sync mode, the “Image Scale” option becomes invalid.
Activating one of the DCR, color brightening, and window brightening functions will automatically turn off theother two functions.

Luminance

Note:
When “HDR Mode” Gamma” cannot be adjusted.
When “ Color Gamut ” under “ Color Setup ” is set to “ sRGB ” , the items “ Contrast ”, “ ECO ”, “Gamma” cannot be adjusted.

Image Setup

Note:
The image settings can only be adjusted under VGA signals.

Color Setup

Note:
When “ HDR Mode ” under “ Luminance ” is set to “ non-off ” , all items under “ Color Setup” cannot be adjusted.
When “ Color Gamut ” is set to “ sRGB ” , all items under “ Color Setup” cannot be adjusted.

Picture Boost

Note:
When “HDR Mode” under “Luminance” is set to “non-of”, all items under “Picture Boost” cannot be adjusted.

OSD Setup

| Language| | Select the OSD language
---|---|---|---
Timeout| 5-120| Adjust the OSD Timeout
H. Position| 0-100| Adjust the horizontal position of OSD
V. Position| 0-100| Adjust the vertical position of OSD
Transparence| 0-100| Adjust the transparency of OSD
Break Reminder| | Break reminder if the user continuously work for more than 1hrs

Game Setting

Note:
When “ HDR Mode ” under “ Luminance ” is set to “ non-off ”, the items “ Game Mode ”, “ Shadow Control ”, “ Game Color ” cannot be adjusted.
When “ Color Gamut ” under “ Color Setup ” is set to “ sRGB ”, the items “ Game Mode ”, “ Shadow Control ”, “ Game Color ” cannot be adjusted.

Extra

Exit

LED Indicator

Troubleshoot

Specification

Main specifications

*: For some certain graphic card, when the VGA signal is input in the resolution 1920×1080@75Hz, please try to adjust the refresh rate to 60Hz if there are any problems occur.

Preset Display Modes

Note:
According to the VESA standard, di erent operating systems and graphics cards may have certain errors (+/-1Hz) on resoution.Actual please refer to the actual product.

Pin Assignments

15-Pin Color Display Signal Cable

19-Pin Color Display Signal Cable

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.
The DDC2B is a bi-directional data channel based on the I2C protocol. The host can request EDID information over the DDC2B channel.