BenQ Projector LU9715 User Manual

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Common problems and solutions
These guidelines provide tips to deal with problems you may encounter while using the projector. If 
the problem remains unsolved, contact your dealer for assistance. Often the problem is something 
as simple as a loose connection. Check the following before proceeding to the problem-specific 
solutions.
• Use some other electrical device to confirm that the electrical outlet is working.
•  Ensure the projector is turned on.
•  Ensure all connections are securely attached.
•  Ensure the attached device is turned on.
•  Ensure a connected PC is not in suspend mode.
•  Ensure  a  connected  notebook  computer  is  configured  for  an  external  display.  (This  is  usually 
done by pressing an Fn-key combination on the notebook.)
Tips for troubleshooting
In each problem-specific section, try the steps in the order suggested. This may help you to solve 
the problem more quickly.
Try to pinpoint the problem to avoid replacing non-defective parts.
For example, if you replace batteries and the problem remains, put the original batteries back and 
go to the next step.
Keep a record of the steps you take when troubleshooting: The information may be useful when 
calling for technical support or for passing on to service personnel.
Image problems
Problem: No image appears on the screen
1 .  Verify the settings on your notebook or desktop PC.
2 .  Turn off all equipment and power up again in the correct order.
Problem:  The image is blurred.
1 .  Adjust the Focus on the projector.
2 .  Press the AUTO PC button on the remote control or projector.
3 .  Ensure the projector-to-screen distance is within the specified range.
4 .  Check that the projector lens is clean.
5 .  Remove the lens cover.
Problem:  The image is wider at the top or bottom (trapezoid effect)
6 .  Position the projector so it is as perpendicular to the screen as possible.
7 .  Use the Keystone function on the OSD to correct the problem. 
Problem:  The image is reversed or upside down
•  Check the Ceiling & Rear setting on the Setting menu of the OSD.
Problem:  The image is streaked
1 .  Adjust the Position and Phase on the Display menu of the OSD to the default settings.
2 .  To ensure the problem is not caused by a connected PC’s video card, connect to another 
computer.
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Problem:  The image is flat with no contrast
1 . Adjust the Contrast setting on the Picture menu of the OSD.
2 .  Adjust the Brightness setting on the Picture menu of the OSD.
Problem:  The color of the projected image does not match the source image.
Adjust the Color temperature and Picture settings.
Remote control problems
Problem:  The projector does not respond to the remote control
1 .  Direct the remote control towards remote sensor on the projector.
2 .  Ensure the path between remote and sensor is not obstructed.
3 .  Turn off any fluorescent lights in the room.
4 .  Check the battery polarity.
5 .  Replace the batteries.
6 .  Turn off other Infrared-enabled devices in the vicinity.
7 .  Have the remote control serviced.
8 .  Ensure that the remote control code conforms to the projector's code.
9 .  Ensure that the reset switch in the compartment lid on back of the remote control is set to   
  use position.
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BenQ ecoFACTS
BenQ has been dedicated to the design and development of greener product as part of its 
aspiration to realize the ideal of the "Bringing Enjoyment 'N Quality to Life" corporate vision 
with the ultimate goal to achieve a low-carbon society. Besides meeting international regulatory 
requirement and standards pertaining to environmental management, BenQ has spared no efforts 
in pushing our initiatives further to incorporate life cycle design in the aspects of material selection, 
manufacturing, packaging, transportation, using and disposal of the products. BenQ ecoFACTS label 
lists key eco-friendly design highlights of each product, hoping to ensure that consumers make 
informed green choices at purchase. Check out BenQ's CSR Website at http://csr.BenQ.com/ for 
more details on BenQ's environmental commitments and achievements.
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Copyright
Copyright 2016 BenQ Corporation. All rights reserved. No part of this publication may be 
reproduced, transmitted, transcribed, stored in a retrieval system or translated into any language or 
computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, 
manual or otherwise, without the prior written permission of BenQ Corporation.
All other logos, products, or company names mentioned in this manual may be the registered 
trademarks or copyrights of their respective companies, and are used for informational purposes 
only.
Disclaimer
BenQ Corporation makes no representations or warranties, either expressed or implied, with 
respect to the contents hereof and specifically disclaims any warranties, merchantability or fitness 
for any particular purpose. Further, BenQ Corporation reserves the right to revise this publication 
and to make changes from time to time in the contents hereof without obligation of BenQ 
Corporation to notify any person of such revision or changes.
This user manual aims to provide the most updated and accurate information to customers, and 
thus all contents may be modified from time to time without prior notice. Please visit http://www.
benq.com for the latest version of this manual.
Patents
Please go to http://patmarking.benq.com/ for the details on BenQ projector patent coverage.
Statement regarding hyperlinks and third-party websites
BenQ is not responsible for the content of the websites or of similar resources, which are 
maintained and controlled by third parties, that may be linked from this product. Providing links 
to those websites or to similar resources does not mean that BenQ makes any warranty or 
representation to their content by expression or by implication.
Any third party content or service preinstalled in this product is provided "as is". BenQ does not, 
by expression or by implication, make any warrant to the content or to the services provided by 
third parties. BenQ does not warrant or guarantee that the content or services provided by third 
parties are accurate, effective, most up-to-date, legal, or complete. Under no circumstances shall 
BenQ be liable for the content or services provided by third parties including their negligence. 
Services provided by third parties may be terminated temporarily or permanently. BenQ does 
not warrant or guarantee that the any content or services provided by third parties are in good 
condition at any time, and is not liable for the termination of the said content and services. In 
addition, BenQ is not involved in any transactions you conduct in the websites or similar resources 
maintained by third parties. 
You should contact the content or service providers for any questions, concerns, or disputes.
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About the BenQ Support
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