Acer K11 User Manual

							Acer Projector
K11 Series
Users Guide 
						

							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 projector. 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.
Model number: __________________________________
Serial number: ___________________________________
Date of purchase: ________________________________
Place of purchase: ________________________________ Copyright © 2010. Acer Incorporated.
All Rights Reserved.
Acer Projector K11 Series Users Guide
Original Issue: 04/2010
Acer Projector K11 Series
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.
HDMI
TM, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered 
trademarks of HDMI Licensing LLC. 
						

							iii
Information for your safety and 
comfort
Read these instructions carefully. Keep this document for future reference. 
Follow all warnings and instructions marked on the product.
Turning the product off before cleaning
Unplug this product from the wall outlet before cleaning. Do not use liquid 
cleaners or aerosol cleaners. Use a damp cloth for cleaning.
Caution for plug as disconnecting device
Observe the following guidelines when connecting and disconnecting power to 
the external power supply unit:
•Install the power supply unit before connecting the power cord to the AC 
power outlet.
•Unplug the power cord before removing the power supply unit from the 
projector.
•If the system has multiple sources of power, disconnect power from the 
system by unplugging all power cords from the power supplies.
Caution for 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 to the equipment, be sure to unplug the power cord from the 
electrical outlet.
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. 
						

							iv
•
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 rotor 
devices, lamp.
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 strips input rating.
•This products AC adapter 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 AC adapter 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, VDE 
approved or its equivalent, 4.6 meters (15 feet) maximum length. 
						

							v
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.
Warning! For safety reasons, do not use non-compliant parts when adding 
or changing components. Consult your reseller for purchase options.
Your device and its enhancements may contain small parts. Keep them out of 
the reach of small children.
Additional safety information
•Do not look into the projectors lens when the lamp is on. The bright may 
hurt your eyes.
•Turn on the projector first and then signal sources
•Do not place the product in following environments:
• Space that is poorly ventilated or confined. At least 50cm clearance from walls 
and free flow of air around the projector is necessary.
• Locations where temperatures may become excessively high, such as inside of a 
car with all windows rolled up.
• Locations where excessive humidity, dust, or cigarette smoke may contaminate 
optical components, shortening the life span and darkening the image.
• Locations near fire alarms.
• Locations with an ambient temperature above 40 ºC/104 ºF.
• Locations where the altitudes are higher than 10000 feet.
•Unplug immediately if there is something wrong with your projector. Do 
not operate if smoke, strange noise or odor comes out of your projector. It  
						

							vi
might cause fire or electric shock. In this case, unplug immediately and 
contact your dealer.
•Do not keep using this product to break or drop it. In this case contact your 
dealer for inspection.
•Do not face the projector lens to the sun. It can lead to fire.
•When switching the projector off, suggest to ensure the projector 
completes its cooling cycle before disconnecting power.
•Do not turn off the main power abruptly or unplug the projector during 
operation. It can lead to lamp breakage, fire, electric shock or other 
trouble. The best way is to wait for the fan to turn off before turning main 
power off.
•Do not touch air outlet grille and bottom plate which becomes hot.
•Clean the air filter frequently if have. The temperature inside may rise and 
cause damage when the filter/ventilation slots clogged with dirt or dust.
•Do not look into the air outlet grille when projector is operating. It may 
hurt your eyes.
•Always open the lens shutter or remove the lens cap when the projector is 
on.
•Do not block the projector lens with any object when the projector is 
under operation as this could cause the object to become heated and 
deformed or even cause a fire. To temporarily turn off the lamp, press HIDE 
on the remote control.
•The lamp becomes extremely hot during operation. Allow the projector to 
cool for approximately 45 minutes prior to removing the lamp assembly for 
replacement.
•Do not operate lamps beyond the rated lamp life. It could cause it to break 
on rare occasions.
•Never replace the lamp assembly or any electronic components unless the 
projector is unplugged.
•The product will detect the life of the lamp itself. Please be sure to change 
the lamp when is showing warning message.
•When changing the lamp, please allow unit to cool down, and follow all 
changing instructions.
•Reset the Lamp Hour Reset function from the Onscreen display 
Management menu after replacing the lamp module.
•Do not attempt to disassemble this projector. There are dangerous high 
voltages inside which may hurt you. The only user serviceable part is the 
lamp which has its own removable cover. Refer servicing only to suitable 
qualified professional service personnel.
•Do not stand the projector on end vertically. It may cause the projector to 
fall over, causing injury or damage.
•This product is capable of displaying inverted images for ceiling mount 
installation. Only use acer ceiling mount kit for mounting the projector 
and ensure it is securely installed. 
						

							vii
Caution for Listening
To protect your hearing, follow these instructions.
•Increase the volume gradually until you can hear clearly and comfortably.
•Do not increase the volume level after your ears have adjusted.•Do not listen to music at high volumes for extended periods.
•Do not increase the volume to block out noisy surroundings.
•Decrease the volume if you cant hear people speaking near you.
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 
						

							viii
First things first
Usage Notes
Do:
•Turn off the product before cleaning.
•Use a soft cloth moistened with mild detergent to clean the display 
housing.
•Disconnect the power plug from AC outlet if the product is not being used 
for a long period of time.
Dont:
•Block the slots and openings on the unit provided for ventilation.
•Use abrasive cleaners, waxes or solvents to clean the unit.
•Use under the following conditions:
•In extremely hot, cold or humid environments.
•In areas susceptible to excessive dust and dirt.
•Near any appliance that generates a strong magnetic field.
•Place In direct sunlight.
Precautions
Follow all warnings, precautions and maintenance as recommended in this 
users guide to maximize the life of your unit.
Warning:
•To reduce the risk of fire or electric shock, do not expose this product to rain or 
moisture.
•Please do not open or disassemble the product as this may cause electric shock.
•When switching the projector off, please ensure the projector completes its cooling 
cycle before disconnecting power.
•Turn on the projector first and then the signal sources.
•Do not use lens cap when projector is in operation. 
						

							Information for your safety and comfort iii
First things first viii
Usage Notes viii
Precautions viii
Introduction 1
Product Features 1
Package Overview 2
Projector Overview 3
Projector Outlook 3
Control Panel 4
Remote Control Layout 5
Getting Started 7
Connecting the Projector 7
Turning the Projector On/Off 8
Turning on the Projector 8
Turning the projector off 9
Adjusting the Projected Image 10
Adjusting the Height of Projected Image 10
How to optimize image size and distance 11
User Controls 13
Installation menu 13
Acer Empowering Technology 14
Onscreen Display (OSD) Menus 15
Color 16
Image 17
Setting 19
Management 19
Audio 20
Timer 20
Language 21
Appendices 22
Troubleshooting 22
Contents 
						

							LED & Alarm Definition Listing 26
Specifications 27
Compatibility modes 28
Regulations and safety notices 32