National Conventions .................................................................................................................................... 4
Power ........................................................................................................................................................... 5
Other ............................................................................................................................................................ 8
Contents in Box ............................................................................................................................................ 9
Connecting the Monitor ................................................................................................................................ 11
Windows 10 ..........................................................................................................................................12
Windows 8 ............................................................................................................................................14
Windows 7 ............................................................................................................................................16
Color Setup ..........................................................................................................................................26
Extra .....................................................................................................................................................33
LED Indicator ...............................................................................................................................................36
Windows 10 ..........................................................................................................................................37
Windows 8 ............................................................................................................................................41
Windows 7 ............................................................................................................................................46
Plug and Play ..............................................................................................................................................61
WEEE Declaration for India..........................................................................................................................63
3
RoHS Declaration for India...........................................................................................................................63
EPA Energy Star ..........................................................................................................................................64
Service ...............................................................................................................................................................65
Warranty Statement for Europe ....................................................................................................................65
Warranty Statement for Middle East and Africa (MEA) ..................................................................................67
OC International (Europe) B.V....................................................................................................................69
tatement for North & South America (excluding Brazil) ..........................................................70
Safety
4
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 specific
presentation of the warning is mandated by regulatory authority.
Power
5
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. 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 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 ~, Min. 5A
The wall socket shall be installed near the equipment and shall be easily accessible.
For use only with the attached power adapter (Only for monitors with power adapter).
Factory:
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.
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.
See below the recommended ventilation areas around the monitor when the monitor is installed with the stand:
Cleaning
7
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
8
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.
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.
If the phone on the base of LCD monitor when the phone calls will affect the circuit characteristics, may cause
the screen to mute or screen interference.
Setup
CD Manual Warranty card Adapter
Power Cable Analog Cable DVI Cable HDMI Cable
Monitor
or
9
Contents in Box
Not all signal cables (Analog,DVI,HDMI) will be provided for all countries and regions. Please check with the
local dealer or AOC branch office for confirmation.
Adjusting Viewing Angle
10
For optimal viewing, it is recommended to look at the full face of the monitor, and 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.
I2481PXH
You are able to adjust the monitor's angle from -3° to 19 °.
19
3
* Do not adjust the viewing angle over 19 degrees in order to avoid damage.
Q2781PQ
You are able to adjust the monitor's angle from -3° to 16 °.
16
3
NOTE:
* Do not touch the LCD screen when you change the angle. It may cause damage or break the LCD screen.
* Do not put your hand close to the gap between the monitor and the base to avoid the injury when adjusting the
viewing angle
* Do not adjust the viewing angle over 16 degrees in order to avoid damage.
Connecting the Monitor
11
Cable Connections In Back of Monitor and Computer:
2
6
5
1
3
6
5
4
1
3
2
I2481PXH
1 AC/DC port
2 Earphone
3 D-
SUB
P
4 D
5 H
DMI-1
6 HDMI-2
To protect equipment, always turn off the PC and LCD monitor before connecting.
1 Connect the adapter cable to the AC/DC port on the back of the monitor.
2
(Optional-for machine type with headset function) Connect the headset to headset port in the back of monitor.
3
Co
nnect one end of the D-Sub cable to the back of the monitor and connect the other end to the computer's
D-Sub port.
ptional – (Requires a video card with DP port) –
O
4
and connect the other end to the computer’s DP port.
ptional – (Requires a video card with HDMI port) – Connect one end of the HDMI cable to the back of the
O
6
5
/
monitor and connect the other end to the computer’s HDMI port.
If your monitor displays an image, installation is complete. If it does not display an image, please refer
Troubleshooting.
onnec
C
t one end of the DP cable to the back of the monitor
Q2781PQ
.
Adjusting
12
Setting Optimal Resolution
Windows 10
For Windows 10:
• Right click START.
• Click "CONTROL PANEL".
• Click "DISPLAY".
• Click on the "Change display settings" button.
13
• Set the resolution SLIDE-BAR to Optimal preset resolution.
Windows 8
14
For Windows 8:
• Right click and click All apps at the bottom-right of the screen.
• Set the "View by" to "Category".
• Click "Appearance and Personalization".
• Click "DISPLAY".
15
• Set the resolution SLIDE-BAR to Optimal preset resolution
Windows 7
16
For Windows 7:
• Click START.
• Click "CONTROL PANEL".
• Click "Appearance".
• Click "DISPLAY".
•Click on the "Change display settings" button.
17
• Set the resolution SLIDE-BAR to Optimal preset resolution
Hotkeys
1
Source/Auto/Exit
2
Clear Vision/<
3
Image Ratio/Volume/>
4
Menu/Enter
5
Power
18
12345
Power
Press the Power button to turn on/off the monitor.
Menu/Enter
Press
to display the OSD or confirm the selection.
Volume/>
When there is no OSD, press Volume adjust volume.(HDMI)
image ratio / >
When there is no OSD, press > hotkey continuously to change 4:3 or wide image ratio. (If the product screen size is
4:3 or input signal resolution is wide format, the hot key is disable to adjust. ) (VGA/DVI)
Auto / Exit
When there is no OSD, press Auto / Exit button continuously about 2 second to do auto configure.
Source hot key
When the OSD is closed, press Source button will be Source hot key function. Press Source button to select the
input source showed in the message bar , press Menu/Enter button to change to the source selected.
Clear Vision
Clear Vision
Off
Adjust the Clear Vision
Weak
Medium
Strong
Clear Vision Demo
on or off
Disable or Enable Demo
19
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.
OSD Setting
20
Basic and simple instruction on the control keys.
1. Press the MENU-button to activate the OSD window.
2. Press or to navigate through the functions. Once the desired function is highlighted,
press the MENU-button to activate it. If there is a sub-menu, press or to navigate through the
sub-menu functions.
3. Press or to change the settings of the selected function. Press AUTO 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 un-lock 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 disabled.
2. If the product screen size is 4:3 or input signal resolution is native resolution, the item of "Image Ratio" is
disabled.
3. One of Clear vision, DCR, Color Boost, and Picture Boost functions is activated; the other three functions are
turned off accordingly.
Luminance
21
1. PressMENU (Menu) to display menu.
2. Press or to select (Luminance), and press MENU to enter.
3. Press or to select submenu.
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
Gamma
Gamma1
Adjust to Gamma 1
Gamma2
Adjust to Gamma 2
Gamma3
Adjust to Gamma 3
DCR
Off Disable dynamic contrast ratio
22
4. Press or to adjust.
5. Press AUTO to exit.
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