AOC U28P2A User guide

©
www.aoc.com
2020 AOC.All Rights Reserved
TM
LCD Monitor
U28P2A
1
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.......................................................................................................................................................... 10
Adjusting ..............................................................................................................................................................................11
Hotkeys ....................................................................................................................................................................11
OSD Setting ............................................................................................................................................................ 13
Luminance ................................................................................................................................................... 14
Color Setup .................................................................................................................................................. 15
Picture Boost ............................................................................................................................................... 16
OSD Setup ................................................................................................................................................... 17
PIP Setting ................................................................................................................................................... 18
Game Setting ............................................................................................................................................... 19
Extra ............................................................................................................................................................ 20
Exit ............................................................................................................................................................... 21
LED Indicator .......................................................................................................................................................... 22
Troubleshoot ....................................................................................................................................................................... 23
Specication ....................................................................................................................................................................... 24
General Specication .............................................................................................................................................. 24
Preset Display Modes ............................................................................................................................................. 25
Pin Assignments ...................................................................................................................................................... 26
Plug and Play .......................................................................................................................................................... 27
i

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:
CAUTION:
problem.
WARNING:
may appear in alternate formats and may be unaccompanied by an icon. In such cases, the specic presentation of the
warning is mandated by regulatory authority.
A NOTE indicates important information that helps you make better use of your computer system.
A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
A WARNING indicates the potential for bodily harm and tells you how to avoid the problem. Some warnings
1

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 t
only into a grounded power outlet as a safety feature. If your outlet does not accommodate 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.
Do not overload power strips and extension cords. Overloading can result in re or electric shock.
To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate congured
receptacles marked between 100-240V AC, Min. 5A.
The wall socket shall be installed near the equipment and shall be easily accessible.
2

Installation

Installed with stand
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 re or electric
shock. Never spill liquids on the monitor.
Do not place the front of the product on the oor.
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 re 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:
Installed with stand
12 inches
30cm
4 inches
10cm
4 inches
10cm
Leave at lease this space around the set
4 inches
10cm
3

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.
4

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.
5

Setup

*
*
Monitor
CD Manual
Warranty Card Stand Base
Power Cable HDMI Cable USB CableDP Cable
*
*
*

Contents in Box

Not all signal cables will be provided for all countries and regions. Please check with the local dealer or AOC branch
ofce for conrmation.
6

Setup Stand & Base

Please setup or remove the base following the steps as below.
Setup:
Remove:
7

Adjusting Viewing Angle

35
130
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
1. To avoid potential screen damage, such as panel peeling, ensure that the monitor does not tilt downward by more
2. Do not press the screen while adjusting the angle of the monitor. Grasp only the bezel.
than -5 degrees.
8

Connecting the Monitor

10 7 5 3
4 2 18
9 6
Cable Connections In Back of Monitor and Computer:
1. Power
2. DP
3. HDMI-1
4. HDMI-2
5. USB-PC(USB upstream)
6. USB3.2 Gen1
7. USB3.2 Gen1+charging
8. Earphone
9. USB3.2 Gen1
10. USB3.2 Gen1
Connect to PC
1. Connect the power cord to the back of the display rmly.
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 Troubleshooting.
To protect equipment, always turn off the PC and LCD monitor before connecting.
9

Wall Mounting

-5°
90°
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. 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 ofcial department of
AOC.
* Display design may differ from those illustrated.
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.
10

Adjusting

1 2 3 4 5

Hotkeys

1 Source/Exit
2 Clear Vision/<
3 Volume/>
4 Menu/Enter
5 Power
Power
Press the power key to turn on/off the monitor.
Menu/Select
Activate the OSD menu or function adjustment conrmation.
Volume / increase
When the OSD menu is closed, press the “>” key to open the volume adjustment bar, and press the “<” or “>” key to
adjust the headphone output volume.
Source switching/exit
When the OSD menu is off, press this key to activate the signal source switching function, press this key continuously to
select the signal source displayed in the information bar, and press the menu key to adjust to the selected signal source.
When the OSD menu is active, this button acts as an exit key (to exit the OSD menu)
11
Clear Vision
1. When there is no OSD, Press the “<” button to activate Clear Vision.
2. Use the “<” or “>” buttons to select between weak, medium, strong, or off settings. Default setting is always “off”.
3. Press and hold “<” 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 “<” 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.
Off
Clear Vision
Clear Vision Demo On or Off Disable or Enable Demo
Weak
Adjust the Clear Vision
Medium
Strong
12

OSD Setting

Luminance
Color Setup Picture Boost OSD Setup ExitExtra
Contrast 50
Brightness 90
Eco Mode Standard
Gamma Gamma 1
DCR Off
HDR Mode Off
Game Setting
PIP Setting
PIP
Basic and simple instruction on the control keys.
1). Press the
2). Press < or > to navigate through the functions. Once the desired function is highlighted, press the
MENU-button
to activate the OSD window.
MENU-button
to
activate it, press < or > to navigate through the sub-menu functions. Once the desired function is highlighted, press
MENU-button
3). Press < or > to change the settings of the selected function. Press
to activate it.
AUTO–button
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
power button
and then press
to turn the monitor on. To un-lock the OSD - press and hold the
power button
to turn the monitor on.
MENU-button
while the monitor is off and then press
MENU-button
while the monitor is off
Notes:
1). If the product has only one signal input, the item of “Input Select” is disable to adjust.
2). If the screen size of the product is 4:3 or the input signal resolution is the native resolution, then the item “Image Ratio” is invalid.
3). The four states of ECO mode (except standard mode), DCR, DCB mode and window highlight can only display one state at a time.
13

Luminance

Luminance
Color Setup Picture Boost OSD Setup ExitExtra
Contrast 50
Brightness 90
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
Standard Standard Mode
Text Text Mode
Internet Internet Mode
Game Game Mode
Eco mode
Movie Movie Mode
Sports Sports Mode
Reading Reading Mode
Uniformity Uniformity Mode
Gamma1 Adjust to Gamma 1
Gamma
Gamma2 Adjust to Gamma 2
Gamma3 Adjust to Gamma 3
Off Disable dynamic contrast ratio
DCR
On Enable dynamic contrast ratio
OFF
HDR Picture
HDR Mode
Adjust HDR Mode.
HDR Movie
HDR Game
Note:
When “HDR Mode” is set to a non-off state, “Contrast”, “ECO Mode”, and “Gamma” items cannot be adjusted.
14

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
LowBlue Mode Off
PIP Setting
PIP
Warm Recall Warm Color Temperature from EEPROM.
Normal Recall Normal Color Temperature from EEPROM.
Cool Recall Cool Color Temperature from EEPROM.
Color Temp.
sRGB Recall SRGB Color Temperature from EEPROM.
Red Red Gain from Digital-register
User
Green Green Gain Digital-register.
Blue Blue Gain from Digital-register
Full Enhance on or off Disable or Enable Full Enhance Mode
Nature Skin on or off Disable or Enable Nature Skin Mode
DCB Mode
Green Field on or off Disable or Enable Green Field Mode
Sky-blue on or off Disable or Enable Sky-blue Mode
Auto Detect on or off Disable or Enable AutoDetect Mode
OFF on or 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.
Multimedia
Internet LowBlue Mode
Ofce
Decrease blue light wave by controlling color temperature
Reading
Off
Note:
When “HDR Mode” under “Brightness” is set to a non-off state, all items under “Color Setup” cannot be adjusted.
15

Picture Boost

OSD Setup ExitExtra
Luminance
Brightness 50
Contrast 50
H. Position 0
V. Position 0
Bright Frame off
Frame Size 14
Picture Boost
Color Setup
Game Setting
PIP Setting
PIP
Bright Frame on or off Disable or Enable Bright Frame
Frame Size 14-100 Adjust Frame Size
Brightness 0-100 Adjust Frame Brightness
Contrast 0-100 Adjust Frame Contrast
H. position 0-100 Adjust Frame horizontal Position
V. position 0-100 Adjust Frame vertical Position
Note:
1). For a better viewing experience, adjust the brightness, contrast, and position of the brightening.
2). When the „HDR Mode“ under „Brightness“ is set to a non-off state, all items under „Window Brightening“ cannot be
adjusted.
16

OSD Setup

ExitExtra
Luminance
Color Setup
H. Position 50
V. Position 0
Transparence 25
Language English
Timeout 10
DP Capability 1.2
Break Reminder Off
OSD Setup
Picture Boost
Game Setting
PIP Setting
PIP
50
Volume
Language Select the OSD language
Timeout 5-120 Adjust the OSD Timeout
DP Capability 1.1/1.2
If the DP video content supports DP1.2, please select DP1.2 for DP Capability; otherwise, please select DP1.1
H. Position 0-100 Adjust the horizontal position of OSD
V. Position 0-100 Adjust the vertical position of OSD
Volume 0-100 Volume Adjustment.
Transparence 0-100 Adjust the transparence of OSD
Break Reminder on or off
Break reminder if the user continuously work for more
than 1hrs
17

PIP Setting

Picture Boost OSD Setup
PIP Setting
ExitExtra
PIP
Luminance
Size
Position
AudioSub Source DP
PIP Off Small Swap Off
Main Source
HDMI1
Off
Right-up
Color Setup
Game Setting
PIP Setting OFF / PIP / PBP Disable or Enable PIP or PBP.
Main Source
Sub Source
HDMI1 HDMI2 DP USB-C
HDMI1 HDMI2 DP USB-C
Select main screen source.
Select sub screen source.
Size Small / Middle / Large Select screen size.
Right-up
PIP
Position
Audio
Swap
Right-down
Set the screen location.
Left-up
Left-down
On: PIP Audio
Disable or Enable Audio Setup.
Off: Main Audio
On: Swap
Swap the screen source.
Off: non action
18

Game Setting

Picture Boost OSD SetupExitExtra
Luminance
Shadow Control
Game Mode Off
Overdrive
Off
Low Input Lag
Off
Color Setup
Game Setting
50
Game Color
10
Adaptive-Sync
Off
Frame Counter
Off
PIP Setting
PIP
For playing FPS (rst Person Shooters) games.
Improves dark theme black level details. For playing RTS (Real Time Strategy). Improves the
image quality. For playing Racing games, Provides fastest response
time and high color saturation.
Game Mode
FPS
RTS
Racing
Gamer 1 User’s preference settings saved as Gamer 1.
Gamer 2 User’s preference settings saved as Gamer 2.
Gamer 3 User’s preference settings saved as Gamer 3.
off No optimization by Smart image game
Shadow Control Default is 50, then end-user can adjust from 50 to 100 or 0 to increase contrast for clear picture.
Shadow Control 0-100
1. If picture is too dark to be saw the detail clearly, adjusting from 50 to100 for clear picture.
2. If picture is too white to be saw the detail clearly, adjusting from 50 to0 for clear picture
Low Input Lag On/Off Turn off frame buffer to decrease input lag
Game Color 0-20
Game Color will provide 0-20 level for adjusting saturation to get better picture.
Weak
Medium
Overdrive
Adjust the response time.
Strong
Off
Adaptive-Sync On/Off Adjust the Adaptive-Sync.
Off / Right-up /
Frame Counter
Right-Down / Left-
Display V frequency on the corner selected
Down / Left-Up
Note:
When the “HDR Mode” under “Brightness” is set to a non-off state, the “Game Mode”, “Shadow Control、Game Color”
items under “Game Setting” cannot be adjusted.
19

Extra

Picture Boost OSD SetupExit
Luminance
Color Setup
Off Timer 00
Input Select Auto
Reset No
Image Ratio Wide
DDC/CI Yes
Resolution : 3840(H)X2160(V)
H. Frequency : 135KHz
V. Frequency : 60Hz
Extra
Game Setting
PIP Setting
PIP
Input Select Select Input Signal Source
Off timer 0-24hrs Select DC off time
Wide
4:3
1:1
Select image ratio for display.
17” (4:3)
19” (4:3)
19” (5:4)
Image Ratio
19”W (16:10)
21.5”W (16:9)
22”W (16:10)
23”W (16:9)
23.6”W (16:9)
24”W (16:9)
27”W (16:9)
DDC/CI yes or no Turn ON/OFF DDC/CI Support
Reset
yes or no
ENERGY STAR® or no
Reset the menu to default. (ENERGY STAR® available for selective models.)
20

Exit

Picture Boost OSD Setup
Luminance
Color Setup
Exit
Extra
Game Setting
PIP Setting
PIP
Exit Exit the main OSD
21

LED Indicator

Status LED Color
Full Power Mode White
Active-off Mode Orange
22

Troubleshoot

Problem & Question
Power LED Is Not ON
No images on the screen
Picture Is Fuzzy & Has Ghosting Shadowing Problem
Picture Bounces, Flickers Or Wave Pattern Appears In The Picture
Monitor Is Stuck In Active Off­Mode”
Missing one of the primary colors (RED, GREEN, or BLUE)
Screen image is not centered or sized properly
Picture has color defects (white does not look white)
Possible Solutions
Make sure the power button is ON and the Power Cord is properly connected to a grounded power outlet and to the monitor.
Is the power cord connected properly? Check the power cord connection and power supply. Is the cable connected correctly? (Connected using the VGA cable) Check the VGA cable connection. (Connected using the HDMI cable) Check the HDMI cable connection. (Connected using the DP cable) Check the DP cable connection. * VGA/HDMI/DP input is not available on every model. If the power is on, reboot the computer to see the initial screen (the login screen), which can be seen. If the initial screen (the login screen) appears, boot the computer in the applicable mode (the safe mode for Windows 7/8/10) and then change the frequency of the video card. (Refer to the Setting the Optimal Resolution) If the initial screen (the login screen) does not appear, contact the Service Center or your dealer. Can you see “Input Not Supported” on the screen? You can see this message when the signal from the video card exceeds the maximum resolution and frequency that the monitor can handle properly. Adjust the maximum resolution and frequency that the monitor can handle properly.
Make sure the AOC Monitor Drivers are installed. Adjust the Contrast and Brightness Controls. Press to auto adjust. Make sure you are not using an extension cable or switch box. We recommend plugging the monitor directly to the video card output connector on the back. Move electrical devices that may cause electrical interference as far away from the monitor as possible. Use the maximum refresh rate your monitor is capable of at the resolution you are using. The Computer Power Switch should be in the ON position.
The Computer Video Card should be snugly tted in its slot.
Make sure the monitor’s video cable is properly connected to the computer. Inspect the monitor’s video cable and make sure no pin is bent. Make sure your computer is operational by hitting the CAPS LOCK key on the keyboard while observing the CAPS LOCK LED. The LED should either turn ON or OFF after hitting the CAPS LOCK key.
Inspect the monitor’s video cable and make sure that no pin is damaged. Make sure the monitor’s video cable is properly connected to the computer.
Adjust H-Position and V-Position or press hot-key (AUTO).
Adjust RGB color or select desired color temperature.
Horizontal or vertical disturbances on the screen
Regulation & Service
Use Windows 7/8/10 shut-down mode to adjust CLOCK and FOCUS. Press to auto-adjust.
Please refer to Regulation & Service Information which is in the CD manual
or www.aoc.com (to nd the model you purchase in your country and to nd
Regulation & Service Information in Support page.
23

Specification

General Specification

Model name U28P2A
Panel
Others
Physical Characteristics
Environmental
Driving system TFT Color LCD
Viewable Image Size 70.9 cm diagonal
Pixel pitch
Horizontal scan range 30k-140kHz
Horizontal scan Size(Maximum) 620.93mm
Vertical scan range 40-60Hz
Vertical Scan Size(Maximum) 341.28mm
Optimal preset resolution
Max resolution 3840x2160@60Hz
Plug & Play VESA DDC2B/CI
Power Source 100-240V~, 50/60Hz, 1.5A
Power Consumption
Connector Type HDMI×2、DP、USB3.2 Gen1x4、 USB upstream、Earphone
Signal Cable Type
Temperature
Humidity
Altitude
0.16mm(H) x 0.16mm(V)
3840x2160@60Hz
Typical(Brightness = 90,Contrast = 50) 45W
Max. (brightness = 100, contrast =100)≤100.5W
Standby mode
Detachable
Operating 0°~ 40°
Non-Operating -25°~ 55°
Operating 10% ~ 85% (non-condensing)
Non-Operating 5% ~ 93% (non-condensing)
Operating 0~ 5000 m (0~ 16404ft )
Non-Operating 0~ 12192m (0~ 40000ft )
0.5W
24

Preset Display Modes

STANDARD RESOLUTION
VGA 640x480@60Hz 31.469 59.94
VGA 640x480@67Hz 35 66.667
VGA 640x480@72Hz 37.861 72.809
VGA 640x480@75Hz 37.5 75
DOS MODE 720x400@70Hz 31.469 70.087
SVGA 800x600@56Hz 35.156 56.25
SVGA 800x600@60Hz 37.879 60.317
SVGA 800x600@72Hz 48.077 72.188
SVGA 800x600@75Hz 46.875 75
MAC MODE 832x624@75Hz 49.725 74.551
XGA 1024x768@60Hz 48.363 60.004
XGA 1024x768@70Hz 56.476 70.069
XGA 1024x768@75Hz 60.023 75.029
HD 1280x960@60Hz 60 60
HD 1280x720@60Hz 44.772 59.885
SXGA 1280x1024@60Hz 63.981 60.02
HORIZONTAL
FREQUENCY(kHz)
VERTICAL
FREQUENCY(Hz)
SXGA 1280x1024@75Hz 79.976 75.025
WXGA+ 1440x900@60Hz 55.935 59.887
WSXGA 1680x1050@60Hz 64.674 59.954
FHD 1920x1080@60Hz 67.5 60
*** 1920x2160@60Hz 133.293 59.988
QHD 2560x1440@60Hz 88.786 59.9
UHD 3840x2160@30Hz 67.5 30
UHD 3840x2160@60Hz 133.32 60
25

Pin Assignments

19-Pin Color Display Signal Cable
Pin No. Signal Name Pin No. Signal Name Pin No. Signal Name
1. TMDS Data 2+ 9. TMDS Data 0- 17. DDC/CEC Ground
2. TMDS Data 2 Shield 10. TMDS Clock + 18. +5V Power
3. TMDS Data 2- 11 . TMDS Clock Shield 19. Hot Plug Detect
4. TMDS Data 1+ 12. TMDS Clock-
5. TMDS Data 1Shield 13. CEC
6. TMDS Data 1- 14. Reserved (N.C. on device)
7. TMDS Data 0+ 15. SCL
8. TMDS Data 0 Shield 16. SDA
20-Pin Color Display Signal Cable
Pin No. Signal Name Pin No. Signal Name
1 ML_Lane 3 (n) 11 GND
2 GND 12 ML_Lane 0 (p)
3 ML_Lane 3 (p) 13 CONFIG1
4 ML_Lane 2 (n) 14 CONFIG2
5 GND 15 AUX_CH(p)
6 ML_Lane 2 (p) 16 GND
7 ML_Lane 1 (n) 17 AUX_CH(n)
8 GND 18 Hot Plug Detect
9 ML_Lane 1 (p) 19 Return DP_PWR
10 ML_Lane 0 (n) 20 DP_PWR
26

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.
27
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