Acer Xb270h Users Guide

							Acer LCD MonitorUsers Guide 
						

							 Changes may be made peri odically to the information in this publication without obligation  to notify any person of such revisions or change s. 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, purch ase 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, sto red in a retrieval system, or transmitted, in  any form or by any means, electronically, mechan ically, by photocopy, recording or otherwise,  without the prior written permission of Acer Incorporated. 
Model number: __________________________________ 
Serial number: ___________________________________ 
Date of purchase: ________________________________ 
Place of purchase: ________________________________ 
Copyright © 2014  . Acer Incorporated. All Rights Reserved. 
Acer LCD Monitor Users Guide Original Issue: 04  /20 
Acer LCD Monitor Users Guide 
Acer and the Acer logo are re gistered trademarks of Acer Incorporated. Other companies  product names or trademarks are used herein for identification purposes only and belong to  their respective companies. 
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							iiiSpecial notes on LCD monitorsThe 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 a 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.Information for your safety and 
comfortSafety instructionsRead these instructions carefully. Keep this document for future reference. 
Follow all warnings and instructions marked on the product.Cleaning your monitorPlease 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.Connecting/disconnecting the deviceObserve the following guidelines when connecting and disconnecting power 
from the LCD monitor:•Make sure the monitor is attached to its base before connecting the power 
cord to the AC power outlet.•Make sure both the LCD monitor and the computer are turned off before 
connecting any cable or unplugging the power cord.•If the system has multiple sources of power, disconnect power from the 
system by unplugging all power cords from the power supplies. 
						

							ivAccessibilityBe 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 listeningTo 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 cant 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 damage 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.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  
						

							 v 
ampere rating of the equipment plugge d 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 strips input rating. 
• This products 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 grou nded 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, 4.5 
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
 
						

							 vi 
Note:  Adjust only those controls that are covered by the operating  instructions, since improper adju stment 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 ga s pumps at service stations. Observe  
restrictions on the use of radio eq uipment in fuel depots, storage and  distribution areas; chemical plants; or wher e 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 companys  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 be st working procedures to reduce the  
environmental impact of our products. 
For more information and help when recycling, please go to this website: 
Visit www..com  for further information on the features and benefits  
of our other products. 
http://www.acer-group.com/public/Sustainabilityacer-group
The 3D Experience:  
• 3D visual effects require 3D-compatible  software, nVidia® 3D Vision™ glasses and a  
compatible nVidia    3D graphics card.   
 
®
 
						

							 vii 
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 informatio n on the Waste from Electrical and  
Electronics Equipment (WEEE) regulations, visit  
LCD pixel statement 
The LCD unit is produced with high-precision manufacturing techniques.  
Nevertheless, some pixels may occasion ally misfire or appear as black or  red dots. This has no effect on the re corded image and does not constitute  
a malfunction.
http://www.acer‐group.com/public/SustainabilityFor displays with glossy bezels the user should consider the placement of the display   
as  the bezel may cause disturbing reflections from surrounding light and bright surfaces. 
 
						

							viiiThis product has been shipped enabled for power management:•Activate display’s Sleep mode within 15 minutes of user inactivity.•Activate computer’s Sleep mode within 30 minutes of user inactivity.•Wake the computer from Sleep mode by pushing the power button.Tips and information for comfortable useComputer 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 companys health and safety department.
The following section provides tips for more comfortable computer use.Finding your comfort zoneFind 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 
						

							ixTaking care of your visionLong 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 distant 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 displays viewing angle•using a glare-reduction filter•using a display visor, such as a piece of cardboard extended from the 
displays 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 habitsDevelop 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. 
						

							 XB270H 
XB270H 
  
  
Product:    LCD Monitor 
Trade Name:   Acer 
Model Number:   
SKU Number: xxxxxx; 
(“x” = 0~9, a ~ z,  A ~ Z, or blank)
  
                                                                                                                                  8F, 88, Sec. 1, Xintai 5th Rd., Xizhi                                                                                                                                                                                 New Taipei City 221, Taiwan 
Declaration of Conformity 
We,   
Acer Incorporated   
Contact Person: Mr. RU Jan, e-mail:[email protected]  
And,  
Acer Italy s.r.l  
Tel: +39-02-939-921 ,Fax: +39-02 9399-2913  
www.acer.it 
  
Declare under our own respons ibility that the product:  
 
To which this declaration refers conforms to the re levant standard or other standardizing documents: 
  
  
Year to begin affixing CE marking 2014. 
               Acer Incorporated
8F, 88, Sec. 1, Xintai 5th Rd., Xizhi, New Taipei City 221, Taiwan  
Via Lepetit, 40, 20020 Lainate (MI) Italy  
We hereby declare above product is in compliance with the essential requirements and other relevant provisions of EMC Directive 2004/108/EC, Low Voltage Directive 2006/95/EC, and RoHS Directive 2011/65/EU and Directive 2009/125/EC with regard to establishing a framework for the setting of ecodesign requirements for energy-related product.                           Date  
May. 26 , 2014 
  
  EN55022:2010 Class B; EN55024:2010  
  EN 61000-3-2:2006+A1:2009+A2:2009, Class D  
  EN61000-3-3:2008  
  EN60950-1:2006/A11:2009/A1:2010+A12:2011  
  Regulation (EC) No. 1275/ 2008; EN 50564:2011; IEC 62301:2011  
  EN50581:2012