Acer XB281HK LCD Monitor User Manual

XB281HK LCD Monitor
User Manual

XB281HK LCD Monitor

Copyright © 2018. Acer Incorporated.
All Rights Reserved.
Acer LCD Monitor User Guide Original Issue: 01/2018

Changes may be made periodically to the information in this publication without obligation to notify any person of such revisions or changes. Such changes will be  incorporated in new editions of this manual or supplementary documents and publications. This company makes no representations or warranties, either expressed or  implied, with respect to the contents hereof and specifically disclaims the implied warranties of merchantability or fitness for a particular purpose.
Record the model number, serial number, purchase date and place of purchase information in the space provided below. The serial number and model number are recorded  on the label affixed to your computer. All correspondence concerning your unit should include the serial number, model number and purchase information.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronically, mechanically, by photocopy, recording  or otherwise, without the prior written permission of Acer Incorporated.

Acer LCD Monitor User Guide
Model number: __
Serial number: ___
Date of purchase: ____
Place of purchase: ____
Acer and the Acer logo are registered trademarks of Acer Incorporated. Other companies’ product names or trademarks are used herein for identification purposes only and  belong to their respective companies.

Information for your safety and comfort

Safety instructions
Read these instructions carefully. Keep this document for future reference. Follow all warnings and instructions marked on the product.
Special notes on LCD monitors
The following are normal with the LCD monitor and do not indicate a problem.

• Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the power switch and then turn it on again to make sure the flicker  disappears.
• You may find slightly uneven brightness on the screen depending on the desktop pattern you use.
• The LCD screen has 99.99% or more effective pixels. It may include blemishes of 0.01% or less such as a missing pixel or pixel lit all the time.
• Due to the nature of the LCD screen, an afterimage of the previous screen may remain after switching the image, when the same image is displayed for hours. In this  case, the screen is recovered slowly by changing the image or turning off the power switch for a few hours.

Cleaning your monitor
Please carefully follow these guidelines when cleaning the monitor:

• Always unplug the monitor before cleaning.
• Use a soft cloth to wipe the screen and cabinet front and sides.

Accessibility
Be sure that the power outlet you plug the power cord into is easily accessible and located as close to the equipment operator as possible. When you need to disconnect power from the equipment, be sure to unplug the power cord from the electrical outlet.
Safe listening
To protect your hearing, follow these instructions.

• Gradually increase the volume until you can hear it clearly and comfortably and without distortion.
• After setting the volume level, do not increase it after your ears have adjusted.
• Limit the amount of time listening to music at high volume.
• Avoid turning up the volume to block out noisy surroundings.
  Turn the volume down if you can’t hear people speaking near you.

Warnings

• Do not use this product near water.

• Do not place this product on an unstable cart, stand or table. If the product falls, it could be seriously damaged.

• Slots and openings are provided for ventilation to ensure reliable operation of the product and to protect it from overheating. These openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug or other similar surface. This product should never be placed near or over a  radiator or heat register, or in a built-in installation unless proper ventilation is provided.

• Never push objects of any kind into this product through cabinet slots as they may touch dangerous voltage points or short-out parts that could result in a fire or electric  shock.
  Never spill liquid of any kind onto or into the product.

• To avoid dmage of internal components and to prevent battery leakage, do not place the product on a vibrating surface.

• Never use it under sporting, exercising, or any vibrating environment which will probably cause unexpected short current or damage internal devices.

• The adapter is only used for this monitor, do not be used for other purposes.

Using electrical power

• This product should be operated from the type of power indicated on the marking label.
  If you are not sure of the type of power available, consult your dealer or local power company.

• Do not allow anything to rest on the power cord. Do not locate this product where people will walk on the cord.

• If an extension cord is used with this product, make sure that the total ampere rating of the equipment plugged into the extension cord does not exceed the extension  cord ampere rating. Also, make sure that the total rating of all products plugged into the wall outlet does not exceed the fuse rating.

• Do not overload a power outlet, strip or receptacle by plugging in too many devices. The overall system load must not exceed 80% of the branch circuit rating. If power  strips are used, the load should not exceed 80% of the power strip’s input rating.

• This product’s power cord is equipped with a three-wire grounded plug. The plug only fits in a grounded power outlet. Make sure the power outlet is properly grounded  before inserting the power cord plug. Do not insert the plug into a non-grounded power outlet. Contact your electrician for details.

Warning! The grounding pin is a safety feature. Using a power outlet that is not properly grounded may result in electric shock and/or injury.
Note: The grounding pin also provides good protection from unexpected noise produced by other nearby electrical devices that may interfere with the performance of this  product.
Use the product only with the supplied power supply cord set. If you need to replace the power cord set, make sure that the new power cord meets the following  requirements: detachable type, UL listed/CSA certified, type SPT-2, rated 7 A 125 V minimum, VDE approved or its equivalent, 4.6 meters (15 feet) maximum length.

Product servicing
Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified  service personnel.
Unplug this product from the wall outlet and refer servicing to qualified service personnel when:

• the power cord or plug is damaged, cut or frayed
• liquid was spilled into the product
• the product was exposed to rain or water
• the product has been dropped or the case has been damaged
• the product exhibits a distinct change in performance, indicating a need for service
• the product does not operate normally after following the operating instructions

Note: Adjust only those controls that are covered by the operating instructions, since improper adjustment of other controls may result in damage and will often require  extensive work by a qualified technician to restore the product to normal condition.

Potentially explosive environments
Switch off your device in any area with a potentially explosive atmosphere and obey all signs and instructions. Potentially explosive atmospheres include areas where you  would normally be advised to turn off your vehicle engine. Sparks in such areas could cause an explosion or fire resulting in bodily injury or even death. Switch off the device  near depots, storage and distribution areas; chemical plants; or where blasting operations are in progress. Areas with a potentially explosive atmosphere are often, but not always, marked. They include below deck on boats, chemical transfer or storage facilities, vehicles using liquefied petroleum gas (such as propane or butane), and areas where  the air contains chemicals or particles such as grain, dust or metal powders.

Additional safety information
Your device and its enhancements may contain small parts. Keep them out of the reach of small children.
IT Equipment Recycling Information
Acer is strongly committed to environmental protection and views recycling, in the form of salvaging and disposal of used equipment, as one of the company’s top priorities  in minimizing the burden placed on the environment.
We at Acer are very conscious of the environmental effects of our business and strive to identify and provide the best working procedures to reduce the environmental impact  of our products.
For more information and help when recycling, please go to this website: http://www.acer-group.com/public/Sustainability/sustainability01.htm
Visit www.acer-group.com for further information on the features and benefits of our other products.

Disposal instructions
Do not throw this electronic device into the trash when discarding. To minimize pollution and ensure utmost protection of the global environment, please recycle.
For more information on the Waste from Electrical and Electronics Equipment (WEEE) regulations, visit
http://www.acer-group.com/public/Sustainability/sustainability01.htm

LCD pixel statement
The LCD unit is produced with high-precision manufacturing techniques. Nevertheless, some pixels may occasionally misfire or appear as black or red dots. This has no  effect on the recorded image and does not constitute a malfunction.
This product has been shipped enabled for power management:

• Activate display’s Sleep mode within 5 minutes of user inactivity.
• Wake the monitor when it is in Active Off mode,move the mouse or press any keyboard key.

Tips and information for comfortable use
Computer users may complain of eyestrain and headaches after prolonged use. Users are also at risk of physical injury after long hours of working in front of a computer.  Long work periods, bad posture, poor work habits, stress, inadequate working conditions, personal health and other factors greatly increase the risk of physical injury.
Incorrect computer usage may lead to carpal tunnel syndrome, tendonitis, tenosynovitis or other musculoskeletal disorders. The following symptoms may appear in the hands, wrists, arms, shoulders, neck or back:

• numbness, or a burning or tingling sensation
• aching, soreness or tenderness
• pain, swelling or throbbing
• stiffness or tightness
• coldness or weakness

If you have these symptoms, or any other recurring or persistent discomfort and/or pain related to computer use, consult a physician immediately and inform your company’s health and safety department.
The following section provides tips for more comfortable computer use.
Finding your comfort zone
Find your comfort zone by adjusting the viewing angle of the monitor, using a footrest, or raising your sitting height to achieve maximum comfort. Observe the following tips:

• refrain from staying too long in one fixed posture
• avoid slouching forward and/or leaning backward
• stand up and walk around regularly to remove the strain on your leg muscles

Taking care of your vision
Long viewing hours, wearing incorrect glasses or contact lenses, glare, excessive room lighting, poorly focused screens, very small typefaces and low- contrast displays could  stress your eyes. The following sections provide suggestions on how to reduce eyestrain.
Eyes

• Rest your eyes frequently.
• Give your eyes regular breaks by looking away from the monitor and focusing on a istant point.
• Blink frequently to keep your eyes from drying out.

Display

• Keep your display clean.
• Keep your head at a higher level than the top edge of the display so your eyes point downward when looking at the middle of the display.
• Adjust the display brightness and/or contrast to a comfortable level for enhanced text readability and graphics clarity.
• Eliminate glare and reflections by:
• placing your display in such a way that the side faces the window or any light source
• minimizing room light by using drapes, shades or blinds
• using a task light
• changing the display’s viewing angle
• using a glare-reduction filter
• using a display visor, such as a piece of cardboard extended from the display’s top front edge
• Avoid adjusting your display to an awkward viewing angle.
• Avoid looking at bright light sources, such as open windows, for extended periods of time.

Developing good work habits
Develop the following work habits to make your computer use more relaxing and productive:

• Take short breaks regularly and often.
• Perform some stretching exercises.
• Breathe fresh air as often as possible.
• Exercise regularly and maintain a healthy body.

Federal Communications Commission Declaration of Conformity

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this  device must accept any interference received, including interference that may cause undesired operation.
The following local Manufacturer /Importer is responsible for this declaration:

Unpacking

Please check that the following items are present when you unpack the box, and save the packing materials in case you need to ship or transport the monitor in the future.

Attaching the Base
Note: Remove the monitor and monitor base from its packaging. Carefully place the monitor face-down on a stable surface — use a cloth to avoid scratching the screen.

Screen position adjustment
To optimize the viewing position, you can adjust the monitor tilt by using both of your hands to hold the edges of the monitor as shown below. The monitor can be adjusted  to 25 degrees up or 5 degrees down.

Connecting the adapter and AC Power cord

• Check first to make sure that the power cord you use is the correct type required for your area.

• The monitor has a universal power supply that allows operation in either 100/120 V AC or 220/240 V AC voltage area. No user-adjustment is required.

• Plug one end of the AC power cord to the Adapter, and plug the other end into an AC outlet.

• For units using 120 V AC:
  Use a UL-listed cord set, type SVT wire and plug rated 10 A/125 V.

• For units using 220/240 V AC:
  Use a cord set consisting of H05VV-F cord and plug rated 10 A/250 V. The cord set should have the appropriate safety approvals for the country in which the equipment will be installed.

Power saving
The monitor will be driven into “Power Saving” mode by the control signal from the display controller, as indicated by the amber-color power LED.

The power saving states will be kept until a control signal has been detected or the keyboard or mouse is activated. The recovery time from Active OFF state back to ON  state is around 3 seconds.

Display Data Channel (DDC)
To make installation easier, so long as your system supports the DDC protocol, the monitor is able to plug-and-play. The DDC is a communication protocol through which  the monitor automatically informs the host system about its capabilities; for example, supported resolutions and corresponding timing. The monitor supports the DDC2B  standard.
20-pin color display signal cable

19-pin color display signal cable

Standard timing table

VESA MODE

MODE| Resolution
1| VGA| 640×480| 60Hz
2| MAC| 640×480| 66.66Hz
3| VESA| 720×400| 70Hz
4| SVGA| 800×600| 56Hz
5| SVGA| 800×600| 60Hz
6| XGA| 1024×768| 60Hz
7| XGA| 1024×768| 70Hz
8| VESA| 1152×864| 75Hz
9| SXGA| 1280×1024| 60Hz
10| VESA| 1280×720| 60Hz
11| WXGA| 1280×800| 60Hz
12| WXGA+| 1440×900| 60Hz
13| WSXGA+| 1680×1050| 60Hz
14| UXGA| 1920×1080| 60Hz
15| QHD| 2560×1440| 60Hz
16| UHD| 3840×2160| 30Hz
17| UHD| 3840×2160| 60Hz

Installation

1. Turn off your computer and unplug your computer’s power cord.
2. Connect the signal cable to the HDMI2.0 (optional) and /or DP (optional) input socket of the monitor, and the HDMI2.0 (optional) and /or DP (optional) output  socket of the graphics card on the computer. Then tighten the thumbscrews on the signal cable connector.
3. Optional: Connect the audio input socket (AUDIO IN) of the LCD monitor and the line-out port on the computer with the audio cable.
4. Insert the monitor power cable into the power port at the back of the monitor.
5. Connect the power adapter and power cord to the monitor, then to a properly grounded AC outlet.

Note: Audio output is only for audio output model. Please check user manual for more instruction.
VESA Adaptive SYNC (HDMI2.0/DP):
It can allow a VESA Adaptive SYNC supported graphics source to dynamically adjust display refresh rate based on typical content frame rates for power efficient, virtually  stutter free and low-latency display update.

User Controls

1| Power button| Turns the monitor on/off. Blue indicates power on. Amber indicates standby/ power saving  mode.
---|---|---
2| Function key
| a. Press to view Main page. Press again to enter hotkey1 function.
b. When the Function Menu is active, press this key to view the basic information for your  monitor and current input or reset the custom color settings to the factory defaults.
3| Function key
| a. Press to view Main page. Press again to enter hotkey2 function.
b. When the Function Menu is active, press this button to select select scenario mode or game mode .
4| Function key
| a. Press to view Main page. Press again to enter Input select function.
b. When the Function Menu is active, this button will quit the OSD.
5| Function key
| a. Press to view Main page. Press again to enter next function in the Function Menu.
b. The single toggle button on the backside of the Display bezel operates like a joystick. To  move the cursor, simply toggle the button in four directions. Press the button to select  desired option. Bright gray indicates operable. Dark gray indicates inoperable.

Using the Shortcut Menu

Note: The following  content is for general reference only. Actual product specifications may vary.
The OSD (onscreen display) can be used to adjust the settings of your LCD monitor. Press the MENU key to open the OSD. You can use the OSD to adjust the picture  quality, OSD position and general settings. For advanced settings, please refer to following page:

Main page

1. Hot Key1
   Modes, Brightness, Volume, Gamma, Contrast, Blue Light, Over Drive

2. Hot Key2
   Modes, Brightness, Contrast, Volume, Gamma, Blue Light, Over Drive

3. Hot Key3
   Input Switch Hot Key

4. Main Menu

Hot key1 (default: Standard mode)
To choose scenario mode (sRGB , Rec.709, HDR) which user-defined profile to use or scenario mode (User, Standard, ECO, Graphics, Movie)

Hot key2 (default: Brightness)
Open the Brightness control and select your preferred brightness setting . When you are done, press the joystick to quit current page and store.

Selecting the input
Open the Input control and select HDMI1, HDMI2, DP or Auto Source. When you are done, press the joystick to exit current page and store.

Main menu

1. Press the MENU key to open the OSD.
2. Toggle the joystick to the up▲ or down ▼to select Picture from the OSD. The toggle to the right to navigate to the element you wish to adjust and press the joystick to enter it.
3. Toggle the joystick to the left or ◀right ▶to adjust the sliding scales.
   Information Hot Key -: Show Monitor Information and Reset control function.
   Modes Hot Key -: To change Modes Hot Key menu.
   Exit Hot Key X-: To exit current page and store.

Picture

1. Press the MENU key to open the OSD.

2. Toggle the joystick to the up or down to select Picture from the OSD. Then toggle to the right to navigate to the element you wish to adjust and press the joystick to  enter it.

3. Toggle to the left or right to adjust the sliding scales.

4. The Picture menu can be used to adjust the Brightness, Contrast, Black Boost, Blue Light, ACM, Super Sharpness.

5. Brightness: Adjust the brightness from 0 to 100.
   Note: Adjusts the balance between light and dark shades.

6. Contrast: Adjust the contrast from 0 to 100.
   Note:
   Sets the degree of difference between light and dark areas.

7. Black Boost: Adjust the black level from 0 to 10. Enhances shadows by increasing the brightness without changing lighter shades.

8. Blue Light: Filters out blue light to protect your eyes by adjusting how much blue light is shown — 80%, 70%, 60%, or 50%.
   Note:
   A higher value allows more blue light to pass through, so in order to achieve the best protection, please select a lower value, of which 50% is in the best state and has  been tested by TÜV Rheinland and meet the requirements of TÜV Rheinland’s “Low Blue Light Content” standard.

9. ACM: Turn ACM on or off.
   Note:
   Set to “On”, will be based on the current screen to dynamic contrast adjustment.

10. HDR: can control off and auto, the default is off, set to auto will automatically detect and deal with HDR signal.
    Note: 1. When HDR = Auto, the Modes will also be automatically set to “HDR”.
    2. When HDR = Auto, some parameters :(ACM, Gamma, Contrast, Blue Light, Black Boost…) functions is gray out and disable, and if you change other adjustable parameters, the “Modes” will not jump to “User” Mode.

11. Super Sharpness: Turn the Super Sharpness On or Off. Super Sharpness technology can simulate high-resolution images by boosting the pixel density of the original  source to make images sharper and clearer..

Color

1. Press the MENU key to open the OSD.
2. Toggle the joystick to the up or down to select Color from the OSD. Then toggle to the right to navigate to the element you wish to adjust and press the joystick to enter it.
3. Toggle to the left or right to adjust the sliding scales.
4. Gamma mode allows you to adjust the luminance tone. The default value is 2.2 (standard value for Windows).
5. Color temperature: Default is warm. You can choose Cool, Normal, Warm, Bluelight or User.
6. Modes: To choose scenario mode.
7. Color Space: You can choose sRGB, EBU, DCI, SMPTE-C and Standard.
8. Grayscale Mode: To choose Grayscale mode.
9. 6-axis Hue: Adjust the red, green, blue, yellow, magenta and cyan hue.
10. 6-axis Saturate: Adjust the red, green, blue, yellow, magenta and cyan saturation.

Audio

1. Press the MENU key to open the OSD.
2. Toggle the joystick to the up or down to select Audio from the OSD. Then toggle to the right to navigate to the element you wish to adjust and press the joystick to enter it.
3. Toggle to the left or right to adjust the sliding scales.
4. Volume: Adjust the volume
5. Mute: To choose mute on/off .

Performance

1. Press the MENU key to open the OSD.
2. Toggle the joystick to the up or down to select Gaming from the OSD. Then toggle to the right to navigate to the element you wish to adjust and press the joystick to enter it.
3. Toggle to the left or right to control functions.
4. Over Drive: Select Off, Normal or Extreme.
5. Adaptive Sync:To choose Adaptive Sync on/off.
6. Refresh rate num: Display the panel’s current refresh rate on the screen.
   Note: If Adaptive Sync set “On” you can see the V Frequency to changes in the OSD.

OSD

1. Press the MENU key to open the OSD.
2. Toggle the joystick to the up or down to select OSD from the OSD. Then toggle to the right to navigate to the element you wish to adjust and press the joystick to enter  it.
3. Toggle to the left or right to adjust the sliding scales.
4. Language: Set the OSD menu language.
5. OSD timeout: Adjust the delay before turning off the OSD menu.
6. Transparency: Select the transparency when using gaming mode. The transparency can be 0% (OFF), 20%, 40%, 60%, or 80%.
7. OSD Lock: To choose OSD lock on/off.

Note:
OSD Locked:

• Set the OSD Lock to “On” by the OSD option and press “Enter” to execute the All Key lock function.
• The “OSD Locked” message will be displayed in the middle of the screen.
• LED lights will be changed from blue light to orange light.
• Press any Key screen to prompt “OSD Locked” message.

OSD Unlocked:

• In normal display condition to press the “Navi Key” in the middle of more than 3 seconds to trigger “OSD Unlock”.
• The “OSD Unlock” message will be displayed in the middle of the screen.
• LED lights will be restored to blue light.

System

1. Press the MENU key to open the OSD.

2. Toggle the joystick to the up or down to select System from the OSD.Then toggle to the  right to navigate to the element you wish to adjust and press the joystick to  enter it.

3. Toggle to the left or right to control functions.

4. Input: Select the source from HDMI1, HDMI2, DP.

5. Auto Source: The default is “On”, which can support auto search for signal source in order.
   Note: Surround application must set Auto Source is “Off”.

6. DP Format: Default is DP1.2, can selection support DP1.1 or DP1.2 format.

7. Wide mode: You can select which screen aspect you are using. The options are Aspect and Full.

8. PIP/PBP: Select to set PIP/PBP.

9. Hot Key Assigment: Select the function of shortcut key 1(Modes, Volume, Brightness,  Gamma, Contrast, Blue Light, Over Drive) and shortcut keys 2 (Modes, Volume,
   Brightness, Gamma, Contrast, Blue Light, Over Drive).

10. DDC/CI: Allows the monitor settings to be set through the software on the PC.
    Note:
    DDC/CI, short for Display Data Channel/Command Interface, which allows monitor controls to be sent via software.

11. HDMI2.0 Black level: Select to set HDMI2.0 black level.

12. Quick start mode: Select Off or On. Turn on to speed up boot speed.

Save Setting to…(User mode only)

1. Press the MENU key to open the OSD.
2. Toggle the joystick to the up or down to select “Save Setting to…” from the OSD. Then toggle to the right to navigate to the element you wish to adjust and press the  joystick to enter it.
3. Save Setting to Game mode: There are five user-defined profiles available. When you have decided what settings suit you, save them and system will be able to recall the settings in the future when you turn on gaming mode.

Troubleshooting

Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem.
HDMI2.0/DP Mode (Optional)

to maximum or reset to their default setting.
Off| Check the power switch.
Check if the AC power cord is properly connected to the monitor.
Amber| Check if the video signal cable is properly connected at the back of monitor.
Check if the computer system is switched on and in power saving/standby mode.
If OSD Lock is On, the LED status set Amber.

Note: Acer monitor is purposed for video and visual display of information obtained from electronic devices.

Acer LCD Monitor
User Guide

English

Copyright © 2015. Acer Incorporated. All Rights Reserved. Acer LCD Monitor User Guide Original Issue: 6/2015
Changes may be made periodically to the information in this publication without obligation to notify any person of such revisions or changes. Such changes will be incorporated in new editions of this manual or supplementary documents and publications. This company makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims the implied warranties of merchantability or fitness for a particular purpose. Record the model number, serial number, purchase date and place of purchase information in the space provided below. The serial number and model number are recorded on the label affixed to your computer. All correspondence concerning your unit should include the serial number, model number and purchase information. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronically, mechanically, by photocopy, recording or otherwise, without the prior written permission of Acer Incorporated.
Acer LCD Monitor User Guide
Model number: __ Serial number: ___ Date of purchase: ____ Place of purchase:

Acer and the Acer logo are registered trademarks of Acer Incorporated. Other companies’ product names or trademarks are used herein for identification purposes only and belong to their respective companies.

English

Information for your safety and comfort
Safety instructions
Read these instructions carefully. Keep this document for future reference. Follow all warnings and instructions marked on the product.
Special notes on LCD monitors
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use. Turn off the power switch and then turn it on again to make sure the flicker disappears. o :PV NBZ GJOE TMJHIUMZ VOFWFO CSJHIUOFTT PO UIF TDSFFO EFQFOEJOH PO UIF EFTLUPQ pattern you use. o 5IF -$% TDSFFO IBT PS NPSF FGGFDUJWF QJYFMT *U NBZ JODMVEF CMFNJTIFT PG PS MFTT TVDI BT B NJTTJOH QJYFM PS QJYFM MJU BMM UIF UJNF o %VF UP UIF OBUVSF PG UIF -$% TDSFFO
BO BGUFSJNBHF PG UIF QSFWJPVT TDSFFO NBZ remain after switching the image, when the same image is displayed for hours. In this case, the screen is recovered slowly by changing the image or turning off the power switch for a few hours.
Cleaning your monitor
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English

Accessibility
Be sure that the power outlet you plug the power cord into is easily accessible and located as close to the equipment operator as possible. When you need to disconnect power from the equipment, be sure to unplug the power cord from the electrical outlet.
Safe listening
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without distortion. o “GUFS TFUUJOH UIF WPMVNF MFWFM
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Warnings
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could be seriously damaged. o 4MPUT BOE PQFOJOHT BSF QSPWJEFE GPS WFOUJMBUJPO UP FOTVSF SFMJBCMF PQFSBUJPO PG UIF
product and to protect it from overheating. These openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug or other similar surface. This product should never be placed near or over a radiator or heat register, or in a built-in installation unless proper ventilation is provided. o /FWFS QVTI PCKFDUT PG BOZ LJOE JOUP UIJT QSPEVDU UISPVHI DBCJOFU TMPUT BT UIFZ NBZ touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid of any kind onto or into the product.
o 5P BWPJE EBNBHF PG JOUFSOBM DPNQPOFOUT BOE UP QSFWFOU CBUUFSZ MFBLBHF
EP OPU place the product on a vibrating surface.
o /FWFS VTF JU VOEFS TQPSUJOH
FYFSDJTJOH
PS BOZ WJCSBUJOH FOWJSPONFOU XIJDI XJMM probably cause unexpected short current or damage internal devices.
Using electrical power
o 5IJT QSPEVDU TIPVME CF PQFSBUFE GSPN UIF UZQF PG QPXFS JOEJDBUFE PO UIF NBSLJOH label. If you are not sure of the type of power available, consult your dealer or local power company.
o Do not allow anything to rest on the power cord. Do not locate this product where
iv

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NBLFTVSFUIBUUIFUPUBMSBUJOHPGBMMQSPEVDUTQMVHHFEJOUP UIFXBMMPVUMFUEPFTOPUFYDFFEUIFGVTFSBUJOH
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Warning! The grounding pin is a safety feature. Using a power outlet that is not properly grounded may result in electric shock and/or injury.
Note: The grounding pin also provides good protection from unexpected noise produced by other nearby electrical devices that may interfere with the performance of this product. SFQMBDFUIFQPXFSDPSETFU
NBLFTVSFUIBUUIFOFXQPXFSDPSENFFUTUIFGPMMPXJOH SFRVJSFNFOUTEFUBDIBCMFUZQF
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v

English

Note: “EKVTU POMZ UIPTF DPOUSPMT UIBU BSF DPWFSFE CZ UIF PQFSBUJOH JOTUSVDUJPOT
TJODF JNQSPQFS BEKVTUNFOU PG PUIFS DPOUSPMT NBZ SFTVMU JO EBNBHF and will often require extensive work by a qualified technician to restore the product to normal condition.
Potentially explosive environments
Switch off your device in any area with a potentially explosive atmosphere and obey all signs and instructions. Potentially explosive atmospheres include areas where you would normally be advised to turn off your vehicle engine. Sparks in such areas could cause BO FYQMPTJPO PS GJSF SFTVMUJOH JO CPEJMZ JOKVSZ PS FWFO EFBUI 4XJUDI PGG UIF EFWJDF OFBS gas pumps at service stations. Observe restrictions on the use of radio equipment in fuel depots, storage and distribution areas; chemical plants; or where blasting operations are in progress. Areas with a potentially explosive atmosphere are often, but not always, marked. They include below deck on boats, chemical transfer or storage facilities, WFIJDMFT VTJOH MJRVFGJFE QFUSPMFVN HBT TVDI BT QSPQBOF PS CVUBOF

BOE BSFBT XIFSF UIF air contains chemicals or particles such as grain, dust or metal powders.
Additional safety information
:PVS EFWJDF BOE JUT FOIBODFNFOUT NBZ DPOUBJO TNBMM QBSUT ,FFQ UIFN PVU PG UIF SFBDI of small children.
IT Equipment Recycling Information
Acer is strongly committed to environmental protection and views recycling, in the form of salvaging and disposal of used equipment, as one of the company’s top priorities in minimizing the burden placed on the environment. We at Acer are very conscious of the environmental effects of our business and strive to identify and provide the best working procedures to reduce the environmental impact of our products. For more information and help when recycling, please go to this website: http://www.acer- group.com/public/Sustainability/sustainability01.htm Visit www.acer-group.com for further information on the features and benefits of our other products.
Disposal instructions
Do not throw this electronic device into the trash when discarding. To minimize pollution and ensure utmost protection of the global environment, please recycle. For more information on the Waste from Electrical and Electronics Equipment 8&&&
SFHVMBUJPOT
WJTJU http://www.acer-group.com/public/Sustainability/ sustainability01.htm
vi

English

LCD pixel statement
The LCD unit is produced with high-precision manufacturing techniques. Nevertheless, some pixels may occasionally misfire or appear as black or red dots. This has no effect on the recorded image and does not constitute a malfunction.
This product has been shipped enabled for power management: o “DUJWBUF EJTQMBZlT 4MFFQ NPEF XJUIJO NJOVUFT PG VTFS JOBDUJWJUZ o “DUJWBUF DPNQVUFSlT 4MFFQ NPEF XJUIJO NJOVUFT PG VTFS JOBDUJWJUZ o 8BLF UIF DPNQVUFS GSPN 4MFFQ NPEF CZ QVTIJOH UIF QPXFS CVUUPO
Tips and information for comfortable use
Computer users may complain of eyestrain and headaches after prolonged use. Users are BMTP BU SJTL PG QIZTJDBM JOKVSZ BGUFS MPOH IPVST PG XPSLJOH JO GSPOU PG B DPNQVUFS -POH work periods, bad posture, poor work habits, stress, inadequate working conditions, QFSTPOBM IFBMUI BOE PUIFS GBDUPST HSFBUMZ JODSFBTF UIF SJTL PG QIZTJDBM JOKVSZ Incorrect computer usage may lead to carpal tunnel syndrome, tendonitis, tenosynovitis or other musculoskeletal disorders. The following symptoms may appear in the hands, wrists, arms, shoulders, neck or back: o OVNCOFTT
PS B CVSOJOH PS UJOHMJOH TFOTBUJPO o BDIJOH
TPSFOFTT PS UFOEFSOFTT o QBJO
TXFMMJOH PS UISPCCJOH o TUJGGOFTT PS UJHIUOFTT o DPMEOFTT PS XFBLOFTT If you have these symptoms, or any other recurring or persistent discomfort and/or pain related to computer use, consult a physician immediately and inform your company’s health and safety department. The following section provides tips for more comfortable computer use.
Finding your comfort zone
‘JOE ZPVS DPNGPSU [POF CZ BEKVTUJOH UIF WJFXJOH BOHMF PG UIF NPOJUPS
VTJOH B GPPUSFTU
or raising your sitting height to achieve maximum comfort. Observe the following tips: o SFGSBJO GSPN TUBZJOH UPP MPOH JO POF GJYFE QPTUVSF o BWPJE TMPVDIJOH GPSXBSE BOEPS MFBOJOH CBDLXBSE
vii

English

o TUBOE VQ BOE XBML BSPVOE SFHVMBSMZ UP SFNPWF UIF TUSBJO PO ZPVS MFH NVTDMFT
Taking care of your vision
Long viewing hours, wearing incorrect glasses or contact lenses, glare, excessive room lighting, poorly focused screens, very small typefaces and low- contrast displays could stress your eyes. The following sections provide suggestions on how to reduce eyestrain. Eyes o 3FTU ZPVS FZFT GSFRVFOUMZ o (JWFZPVSFZFTSFHVMBSCSFBLTCZMPPLJOHBXBZGSPNUIFNPOJUPSBOEGPDVTJOHPOBJTUBOUQPJOU o #MJOL GSFRVFOUMZ UP LFFQ ZPVS FZFT GSPN ESZJOH PVU
Display o ,FFQ ZPVS EJTQMBZ DMFBO o Keep your head at a higher level than the top edge of the display so your eyes point
downward when looking at the middle of the display. o “EKVTU UIF EJTQMBZ CSJHIUOFTT BOEPS DPOUSBTU UP B DPNGPSUBCMF MFWFM GPS FOIBODFE
text readability and graphics clarity. o &MJNJOBUF HMBSF BOE SFGMFDUJPOT CZ
o QMBDJOH ZPVS EJTQMBZ JO TVDI B XBZ UIBU UIF TJEF GBDFT UIF XJOEPX PS BOZ MJHIU source
o NJOJNJ[JOH SPPN MJHIU CZ VTJOH ESBQFT
TIBEFT PS CMJOET o VTJOH B UBTL MJHIU o DIBOHJOH UIF EJTQMBZlT WJFXJOH BOHMF o VTJOH B HMBSFSFEVDUJPO GJMUFS o using a display visor, such as a piece of cardboard extended from the display’s top
front edge o “WPJE BEKVTUJOH ZPVS EJTQMBZ UP BO BXLXBSE WJFXJOH BOHMF o Avoid looking at bright light sources, such as open windows, for extended periods of
time.
Developing good work habits
Develop the following work habits to make your computer use more relaxing and productive: o 5BLF TIPSU CSFBLT SFHVMBSMZ BOE PGUFO o 1FSGPSN TPNF TUSFUDIJOH FYFSDJTFT o #SFBUIF GSFTI BJS BT PGUFO BT QPTTJCMF o &YFSDJTF SFHVMBSMZ BOE NBJOUBJO B IFBMUIZ CPEZ viii

XB281HK XB281HK xxxxxx;
Jul.23,2015
ix

English

Acer America Corporation 333 West San Carlos St., San Jose
Suite 1500 CA 95110, U. S. A. Tel : 254-298-4000 Fax : 254-298-4147
www.acer.com

Federal Communications Commission Declaration of Conformity
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
The following local Manufacturer /Importer is responsible for this declaration:

Product: Model Number: SKU Number: Name of Responsible Party:
Address of Responsible Party:
Contact Person: Phone No.: Fax No.:

LCD Monitor
;%+.
;%+. xxxxxx (“x” = 0~9, a ~ z, or A ~ Z)
Acer America Corporation
333 West San Carlos St. Suite 1500 San Jose, CA 95110 U. S. A.
Acer Representative
254-298-4000
254-298-4147

x

Contents English

Information for your safety and comfort

iii

Safety instructions

iii

Special notes on LCD monitors

iii

Cleaning your monitor

iii

Accessibility

iv

Safe listening

iv

Warnings

iv

Using electrical power

iv

Product servicing

v

Potentially explosive environments

vi

Additional safety information

vi

IT Equipment Recycling Information

vi

Disposal instructions

vi

LCD pixel statement

vii

Tips and information for comfortable use

vii

Finding your comfort zone

vii

Taking care of your vision

viii

Developing good work habits

viii

Declaration of Conformity

ix

Federal Communications Commission Declaration of

Conformity

x

Unpacking

1

Attaching the base (for selected models)

2

Screen position adjustment

3

Connecting the adapter and AC Power cord

3

Power saving

3

Display Data Channel (DDC)

4

Connector pin assignment

4

19-pin color display signal cable

4

20-pin color display signal cable

4

Standard timing table

6

Installation

7

Users controls

8

Panel controls

8

Using the Shortcut Menu

10

7KH )XQFWLRQ SDJH

12

Troubleshooting

HDMI/DP Mode (Optional)

English

Unpacking

Please check that the following items are present when you unpack the box, and save the packing materials in case you need to ship or transport the monitor in the future.

LCD monitor

Quick start guide

USB cable 0QUJPOBM

DP Cable 0QUJPOBM

Predator MNT XB281HK Quick Guide
HDMI cable 0QUJPOBM

AC Power cord

1

English

SCREEN POSITION ADJUSTMENT

In oder to optimize the best viewing position, you can adjust the height/tilt of the monitor.

x

Height Adjustment

After pressing the top of the monitor then you can adjust the height of the monitor.

1
2
150mm

x

Tilt

Please see the illustration below for an example of the tilt range. Only at the highest point can 35 degrees of recline be offered for the angle of elevation.

5o o

English

Connecting the adapter and AC Power cord
o Check first to make sure that the power cord you use is the correct type required for your area.
o The monitor has a universal power supply that allows operation in either 100/120 V “$ PS 7 “$ WPMUBHF BSFB /P VTFSBEKVTUNFOU JT SFRVJSed.
o 1MVH POF FOE PG UIF “$ QPXFS DPSE UP UIF “EBQUFS
BOE QMVH UIF PUIFS FOE JOUP BO AC outlet.
o ‘PS VOJUT VTJOH 7 “$ Use a UL-listed cord set, type SVT wire and plug rated 10 A/125 V.
o ‘PS VOJUT VTJOH 7 “$ Use a cord set consisting of H05VV-F cord and plug rated 10 A/250 V. The cord set should have the appropriate safety approvals for the country in which the equipment will be installed.
Power saving
The monitor will be driven into Power Saving” mode by the control signal from the display controller, as indicated by the amber-color power LED.

State
ON Power Saving
Mode

LED Light Blue
Amber

The power saving states will be kept until a control signal has been detected or the keyboard or mouse is activated. The recovery time from Active OFF state back to ON state is around 3 seconds.

English

Display Data Channel (DDC)
To make installation easier, so long as your system supports the DDC protocol, the monitor is able to plug-and-play. The DDC is a communication protocol through which the monitor automatically informs the host system about its capabilities; for example, supported resolutions and corresponding timing. The monitor supports the DDC2B standard.
20-pin color display signal cable

PIN No. Description

1

.-@-BOF

ML_Lane 0-

5

GND

7

.-@-BOF

ML_Lane 2-

11 GND

CONFIG1

15

“69 $)

17 AUX CH-

Return

PIN No. Description

2

GND

4

.-@-BOF

6

ML_Lane 1-

8

GND

10 .-@-BOF

12 .-@-BOF

14 CONFIG2

16 GND

18 Hot Plug

20 DP_PWR

4

English

QJO DPMPS EJTQMBZ TJHOBM DBCMF
1917151311 9 7 5 3 1 18161412 10 8 6 4 2

PIN No. Description

1

5.%4 %BUB

TMDS Data2-

5

TMDS Data1 Shield

7

5.%4 %BUB

TMDS Data0-

11 TMDS Clock Shield

CEC

15 SCL

17 DDC/CEC Ground )PU1MVH%FUFDU

PIN No. Description

2

TMDS Data2 Shield

4

5.%4 %BUB

6

TMDS Data1-

8

TMDS Data0 Shield

10 5.%4 $MPDL

12 TMDS Clock-

14 3FTFSWFE /$ PO EFWJDF

16 SDA

18 7 1PXFS

5

English

Standard timing table

.0%& 1 2 3 4 5 6 7
8
9

3FTPMVUJPO 640×480 720×480 1280×720 720×576 1280×720 1920×1080 3840×2160
3840×2160
3840×2160*

60Hz 60Hz 60Hz 50Hz 50Hz 60Hz 24Hz
30Hz
60Hz

RQOIRU’3PRGH

6

English

Installation
1. Turn off your computer and unplug your computer’s power cord. 2. Connect the signal cable to the HDMI (optional) and /or DP (optional)
input socket of the monitor, and the HDMI (optional) and /or DP (optional) output socket of the graphics card on the computer. Then tighten the thumbscrews on the signal cable connector. 3. Connect the USB Cable(Optional) Connect the USB 3.0 cable to port for fast charge. Connect the USB 3.0 cable to port. 4. Insert the monitor power cable into the power port at the back of the monitor. Connect the power cord to the monitor, then to a properly grounded AC outlet.

USB3.0 port -supporting fast charge USB3.0 port

USB
HDMI

HDMI USB

7

English

External controls

1&2 Power button

3

Function key

/

4

Function key

Input /

5

Function key

/

6

Function key

/

7

Function key

/

Turns the monitor on/off.Blue indicates power on. Amber indicates standby/ power saving mode.
a. Press to view Main page.Press again to enter next function in the Function Menu.
b. When the Function Menu is active, press this key selected or move to the next function.
a. Press to view Main page.Press again to enter Input select function.
b. When the Function Menu is active, press this button selected or move to the previous function.
a. Press to view Main page.Press again to enter Volume adjustment function.
b. When the Function Menu is active, this button will enter a selection in the OSD.
a. Press to view Function Menu.Press again to activate the Overdrive function and set it to either Normal or Extreme mode.
b. When the OSD menu is active, this button will act as the exit key (exit OSD menu).
a. When the Main page is active,Press to trigger the Game mode control
b. When the Function Menu is active, press to select scenario mode.

G-SYNC (DP only):
G-SYNC requires an NVIDIA GeForce GTX650Ti BOOST GPU or higher. For more information, visit the nVidia® website: http://www.nvidia.com/page/home.html

8

English

Adjusting the OSD settings
————————————————————————————————————Note: The following content is for general reference only. Actual product specifications may vary. The OSD (onscreen display) can be used to adjust the settings of your LCD monitor. Press the MENU key to open the OSD. You can use the OSD to adjust the picture quality, OSD position and general settings. For advanced settings, please refer to following page:
Main page
1.Game mode 2.OD (overdrive) options 3.Volume 4.Input selection 5.Function menu
Turn Game mode on or off
Open the Game mode control and turn Game mode on or off using the arrows (OFF/ ON), and select which user-defined profile to use (please see the OSD section for more information).

Adjusting the OD setting

Open the OD control and select your preferred OD setting using the arrows. When you are

done, use

to go back one level.

OD

Off Normal Extreme

English

Adjusting the volume
Open the Volume control and set the Volume using the arrows. When you are done, use to go back one level.

Volume

71

Selecting the input

Open the Input control and select HDMI or DP. When you are done, use one level.

HDMI

DP

to go back

The Function page
Open the Function page to adjust the Picture, Color, OSD and Setting functions, settings which you want using the arrows. You can also view your monitor’s system information from this page. When you are done, use to go back one level.
Picture

Picture

Acer eColor Management

Brightness

80

Contrast

50

Blue Light

Off

Dark boost

Off

Adaptive Contrast

Off

1. Press the MENU key to open the OSD. 2. Using the / keys,select Picture from the OSD.Then navigate to the picture element
you wish to adjust. 3. Use the / keys to adjust the sliding scales. 4. The Picture menu can be used to adjust the Acer eColor, Brightness, Contrast, Blue
Light, Dark boost and Adaptive contrast.
10

English

5. Brightness: Adjust the brightness from 0 to 100. ———————————————————————————————————-Note: Adjusts the balance between light and dark shades.
6. Contrast: Adjust the contrast from 0 to 100. ———————————————————————————————————-Note: Sets the degree of difference between light and dark areas.
7. Blue Light: Filters out blue light to protect your eyes by adjusting how much blue light is shown — 80%, 70%, 60%, or 50%. ———————————————————————————————————-Note: Higher values allow more blue light through. For the best protection select a lower value.
8. Dark boost: This boosts the amplitude of the dark color levels of the display­ blacks will be less black. The higher the level, the higher the boost.
9. Adaptive Contrast: This method usually increases the global contrast of many images, especially when the usable data of the image is represented by close contrast values. This allows for areas of lower local contrast to gain a higher contrast. The method is useful in images with backgrounds and foregrounds that are both bright or both dark. In particular, the method can lead to better views of bone structure in x-ray images, and to better detail in photographs that are over or under-exposed.
Color

Color Gamma Colour Temp Saturation 6-axis color

2.2 Warm
100

1. Press the MENU key to open the OSD.
2. Using the / keys, select Color from the OSD. Then navigate to the picture element you wish to adjust.
3. Use the / keys to select the setting.
4. Gamma mode allows you to adjust the luminance tone.The default value is 2.2 (standard value for Windows).
5. Color temperature: Default is warm. You can choose Cool, Warm,Normal,Bluelight or User.
6. Saturation: Color brightness can be changed by 0~200 adjustment.
7. 6-axis color: Chroma of red, green, blue, cyan, yellow and magenta can be independently adjusted from 0~155, changing the color quality of the image.

English

OSD
OSD Language OSD Timeout Refresh rate num Transparency Game mode Aim point

English 120
Off Off
Off

1. Press the MENU key to open the OSD.
2. Using the / keys, select OSD from the OSD. Then navigate to the setting you wish to change.
3. Use the / keys to adjust any sliding scales. 4. Language: Set the OSD menu language.
5. OSD timeout: Adjust the delay before turning off the OSD menu.
6. Transparency: Select the transparency when using gaming mode. The transparency can be 0% (OFF), 20%, 40%, 60%, or 80%.
7. Game mode: There are three user-defined profiles available. When you have decided what settings suit you, save them and system will be able to recall the settings in the future when you turn on gaming mode and press 1, 2 or 3.
8. Aim point: Show an Aim point on the screen for shooting games.
Setting

Setting Input OD
Wide Mode Deep Sleep Reset Power-off USB charge

HDMI Normal Aspect
Off

1. The Setting menu can be used to select the screen menu language and other important settings, including input and OD level.
2. Press the MENU key to open the OSD.
12

English

3. Using the / keys, select Setting from the OSD. Then navigate to the setting you wish to adjust.
4. Use the / keys to select the setting. 5. Input: Select the source from DP In, HDMI.
6. OD: Select Off, Normal, or Extreme.
7. Wide mode: You can select which screen aspect you are using. The options are Aspect and 1:1.
8. Deep sleep: Default is on. When is on, with no HDMI or DP input after 12 minutes, the monitor will go to sleep mode. When is off, with no HDMI or DP input, the monitor will not go to sleep mode.
9. Reset: Resets the custom color settings to the factory defaults.
10. Power-off USB charge: Turn On or Off.
Product information

Information Resolution Max Refresh Rate Mode

1920×1080 60 Hz Normal

1. Press the MENU key to open the OSD.
2. Using the / keys, select Information to view the basic information for your monitor and current input.

English

Troubleshooting

Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem.

HDMI/DP Mode (Optional)

Problem No picture visible

LED status Blue
Off

Remedy
6TJOH UIF 04% NFOV
BEKVTU CSJHIUOFTT BOE contrast to maximum or reset to their default settings.
Check the power switch.
Check if the AC power cord is properly connected to the monitor.

Amber

Check if the video signal cable is properly connected at the back of monitor.

Check if the computer system is switched on and in power saving/standby mode.

9

References

• Acer Group Home | Acer Group
• Acer Laptops, Desktops, Chromebooks, Monitors & Projectors | Acer United States
• World Leader in Artificial Intelligence Computing | NVIDIA

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