Table of Contents
AOC Q2790PQ User Manual
Displayed below is the user manual for Q2790PQ by AOC which is a product in the Computer Monitors category. This manual has pages.
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1
www.aoc.com
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LCD Monitor User Manual
Q2790PQ LED backlight
©2022 AOC. All Rights Reserved.
i
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
Adjusting ............................................................................................................................................................................. 10
Hotkeys ................................................................................................................................................................... 10
OSD Setting ............................................................................................................................................................ 12
Luminance ................................................................................................................................................... 13
Image Setup ................................................................................................................................................ 14
Color Setup .................................................................................................................................................. 15
Picture Boost ............................................................................................................................................... 16
OSD Setup ................................................................................................................................................... 17
Extra ............................................................................................................................................................ 18
Exit ............................................................................................................................................................... 19
LED Indicator .......................................................................................................................................................... 19
Troubleshoot ....................................................................................................................................................................... 20
Specication ....................................................................................................................................................................... 21
General Specication .............................................................................................................................................. 21
Preset Display Modes ............................................................................................................................................. 22
Pin Assignments ...................................................................................................................................................... 23
Plug and Play .......................................................................................................................................................... 25
1
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
may appear in alternate formats and may be unaccompanied by an icon. In such cases, the specic presentation of the
warning is mandated by regulatory authority.
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. 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 congured
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: TPV ELECTRONICS（FUJIAN）CO., LTD. Model: ADPC2090
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.
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.
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 lease this
space around the set
4
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.
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.
6
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
oce for conrmation.
Quick Start Warranty card Stand Base
Power Cable HDMI Cable DP Cable VGA Cable
7
Setup Stand & Base
Please setup or remove the base following the steps as below.
Setup:
Remove:
8
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:
5
21
NOTE:
Do not touch the LCD screen when you change the angle. It may cause damage or break the LCD screen.
9
Connecting the Monitor
Cable Connections In Back of Monitor and Computer:
1
2
3
4
5 6
1. Power
2. HDMI 1
3. HDMI 2
4. DP
5. Analog (D-Sub 15-Pin VGA cable)
6. Earphone out
Connect to PC
1. Connect the power cord to the back of the display rmly.
2. Turn o 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 o the PC and LCD monitor before connecting.
10
Adjusting
Hotkeys
2
3
4 5
1
1 Menu/Enter/ Power
2 Source/Auto/Exit
3 ECO
4 Volume
5 Clear Vision
Up/Source/Auto/Exit
When the OSD is closed, press “up” button will be Source hot key function. When the OSD is closed,
press “up” button continuously about 2 second to do auto congure (Only for the models with D-Sub).
Image Ratio/Volume/Right
When there is no OSD, press the “right” key to open the volume adjustment bar, under the HDMI / DP source.
When there is no OSD, press the “right” key to enter the image scale switching function, under the D-SUB signal source
(If the product screen size is wide format, the hot key is disable to adjust).
Down/ECO
When there is no OSD, press “down” to active ECO adjustment bar, press left or right to adjust ECO mode.
Power/Menu/Enter
Press the Power button to turn on the monitor.
When there is no OSD, Press to display the OSD or conrm the selection. Press about 2 second to turn o the
monitor
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 o settings. Default setting is always “o”.
Clear Vision 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 o.
Clear Vision Demo: On
Clear Vision function provides the best image viewing experience by converting low resolution and blurry images into
clear and vivid images.
12
OSD Setting
Basic and simple instruction on the control keys.
Luminance Color Setup Picture Boost OSD Setup ExitExtra
Contrast 50
Brightness 90
Eco mode Standard
Gamma Gamma 1
DCR Off
Overdrive Off
Image Setup
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 Right to change the settings of the selected function. Press AUTO–button to exit. If you want to adjust
any other function, repeat steps 2-3.
4). OSD Lock/Unlock Function: OSD Lock Function: To lock the OSD, press and hold the MENU button while the monitor
is o and then press power button to turn the monitor on. To un-lock the OSD - press and hold the MENU button while
the monitor is o 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). ECO modes (except Standard mode), DCR, DCB mode and Picture Boost, for these four states that only one state
can exist.
13
Luminance
Luminance Color Setup Picture Boost OSD Setup ExitExtra
Contrast 50
Brightness 90
Eco mode Standard
Gamma Gamma 1
DCR Off
Overdrive Off
Image Setup
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 Sports Mode
Reading Reading Mode
Gamma
Gamma1 Adjust to Gamma 1
Gamma2 Adjust to Gamma 2
Gamma3 Adjust to Gamma 3
DCR
O Disable dynamic contrast ratio
On Enable dynamic contrast ratio
OverDrive
Weak
Adjust the response time.
Medium
Strong
O
14
Image Setup
Color Setup Picture Boost OSD Setup ExitExtra
Image Setup
Clock 50
Phase 50
H. Position 50
V. Position 50
Sharpness 50
Luminance
Clock 0-100 Adjust picture Clock to reduce Vertical-Line noise.
Phase 0-100 Adjust Picture Phase to reduce Horizontal-Line
noise.
Sharpness 0-100 Adjust picture sharpness.
H.Position 0-100 Adjust the horizontal position of the picture.
V.Position 0-100 Adjust the vertical position of the picture.
15
Color Setup
Picture Boost OSD Setup ExitExtra
Luminance
Red 50 LowBlue Mode
Green 50
Blue 50DCB Demo Off
Color Temp. Warm
DCB Mode Off
Color Setup Image Setup
Off
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 Red Gain from Digital-register
Green Green Gain Digital-register.
Blue Blue Gain from Digital-register
DCB Mode
Full Enhance on or o Disable or Enable Full Enhance Mode
Nature Skin on or o Disable or Enable Nature Skin Mode
Green Field on or o Disable or Enable Green Field Mode
Sky-blue on or o Disable or Enable Sky-blue Mode
AutoDetect on or o Disable or Enable AutoDetect Mode
OFF on or o Disable or Enable OFF Mode
DCB Demo On or o 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.
LowBlue
Mode
Multimedia
Decrease blue light wave by controlling color
temperature.
Internet
Oce
Reading
O
16
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
Image Setup
Bright Frame on or o 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:
Adjust the brightness, contrast, and position of the Bright Frame for better viewing experience.
17
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
Image Setup
USB Off
Language Select the OSD language
Timeout 5-120 Adjust the OSD Timeout
DP Capability 1.1/1.2 Please be noted that only DP1.2 support FreeSync
function
H. Position 0-100 Adjust the horizontal position of OSD
V. Position 0-100 Adjust the vertical position of OSD
USB on or o For model need to turn on/o USB power during power
saving
Transparence 0-100 Adjust the transparence of OSD
Break Reminder on or o Break reminder if the user continuously work for more
than 1hrs
18
Extra
Picture Boost OSD SetupExit
Luminance Color Setup
Off Timer 00
Input Select Auto
Auto Config. Yes
Reset No
Image Ratio Wide
DDC/CI Yes
Resolution : 1920(H)X1080(V)
H. Frequency : 67KHz
V. Frequency : 60Hz
Extra
Image Setup
Input Select Auto/D-SUB/HDMI1/HDMI2/
DP Select input signal source.
Auto Cong. Yes / No Auto adjust.the picture to default.
O Timer 0-24 hrs Select DC o time.
Image Ratio Wide / 4:3 / 1:1 / Movie1/
Movie2
Select Wide / 4:3 / 1:1 / Movie1/ Movie2 format
for display.
DDC/CI Yes / No Turn on or o DDC/CI Support.
Reset
yes or no Reset the menu to default.
(ENERGY STAR® available for selective
models.)
ENERGY STAR® or no
19
Exit
Picture Boost OSD Setup
Luminance Color Setup
Exit
Extra
Image Setup
Exit Exit the main OSD
LED Indicator
Status LED Color
Full Power Mode White
Active-o Mode Orange
20
Troubleshoot
Problem & Question Possible Solutions
Power LED Is Not ON Make sure the power button is ON and the Power Cord is properly
connected to a grounded power outlet and to the monitor.
No images on the screen
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.
Picture Is Fuzzy & Has
Ghosting Shadowing Problem
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.
Picture Bounces, Flickers Or
Wave Pattern Appears In The
Picture
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.
Monitor Is Stuck In Active O-
Mode”
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.
Missing one of the primary
colors (RED, GREEN, or
BLUE)
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.
Screen image is not centered
or sized properly Adjust H-Position and V-Position or press hot-key (AUTO).
Picture has color defects
(white does not look white) Adjust RGB color or select desired color temperature.
Horizontal or vertical
disturbances on the screen
Use Windows 7/8/10 shut-down mode to adjust CLOCK and FOCUS.
Press to auto-adjust.
Regulation & Service
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.
21
Specification
General Specification
Panel
Model name Q2790PQ
Driving system TFT Color LCD
Viewable Image Size 68.6cm diagonal
Pixel pitch 0.2331mm(H) x 0.2331mm(V)
Separate Sync. H/V TTL
Display Color 16.7M Colors
Others
Horizontal scan range 30~99KHz
Horizontal scan Size(Maximum) 596.736mm
Vertical scan range 50Hz~76Hz
Vertical Scan Size(Maximum) 335.664mm
Optimal preset resolution 1920x1080@60Hz(VGA)
Max resolution 2560x1440@60Hz(HDMI, DP)
Plug & Play VESA DDC2B/CI
Power Source 100-240V~,50/60Hz
Power Consumption
Typical(default brightness and contrast) 33W
Max. (brightness = 100, contrast =100) ≤ 48W
Standby mode <0.5W
Physical
Characteristics
Connector Type D-Sub/ HDMI/DP/Earphone out
Signal Cable Type Detachable
Environmental
Temperature Operating 0°~ 40°
Non-Operating -25°~ 55°
Humidity Operating 10% ~ 85% (non-condensing)
Non-Operating 5% ~ 93% (non-condensing)
Altitude Operating 0~ 5000 m (0~ 16404ft )
Non-Operating 0~ 12192m (0~ 40000ft )
22
Preset Display Modes
STANDARD RESOLUTION HORIZONTAL
FREQUENCY(kHz)
VERTICAL
FREQUENCY(Hz)
VGA
640x480@60Hz 31.469 59.94
640x480@72Hz 37.861 72.809
640x480@75Hz 37.5 75
MAC MODES VGA 640x480@67Hz 35 66.667
IBM MODE 720x400@70Hz 31.469 70.087
SVGA
800x600@56Hz 35.156 56.25
800x600@60Hz 37.879 60.317
800x600@72Hz 48.077 72.188
800x600@75Hz 46.875 75
MAC MIDE SVGA 835 x 624@75Hz 49.725 74.5
XGA
1024x768@60Hz 48.363 60.004
1024x768@70Hz 56.476 70.069
1024x768@75Hz 60.023 75.029
SXGA 1280x1024@60Hz 63.981 60.02
1280x1024@75Hz 79.976 75.025
WSXG 1280x720@60HZ 45 60
1280x960@60HZ 60 60
WXGA+ 1440x900@60Hz 55.935 59.876
WSXGA+ 1680x1050@60Hz 65.29 59.954
FHD 1920x1080@60Hz 67.5 60
QHD 2560*1440@60Hz 88.787 59.951
23
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
24
15-Pin Color Display Signal Cable
Pin Number 15-Pin Side of the Signal Cable Pin Number 15-Pin Side of the Signal Cable
1 Video-Red 9 +5V
2 Video-Green 10 Ground
3 Video-Blue 11 N.C.
4 N.C. 12 DDC-Serial data
5 Detect Cable 13 H-sync
6 GND-R 14 V-sync
7 GND-G 15 DDC-Serial clock
8 GND-B
25
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.