InFocus Projector Lp755 User Manual

							USER’S
GUIDE
3821-LP755 COV/DIV ENG  9/9/99  4:55 PM  Page 2 
						

							Copyright © 1999 by InFocus
Wilsonville, Oregon. All rights reserved. 
						

							FCC Warning
This equipment has been tested and found to comply with the limits for a Class A 
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to 
provide reasonable protection against harmful interference when the equipment 
is operated in a commercial environment. This equipment generates, uses, and 
can radiate radio frequency energy and, if not installed and used in accordance 
with the instruction manual, may cause harmful interference to radio communi-
cations. Operation of this equipment in a residential area is likely to cause harm-
ful interference in which case the user will be required to correct the interference 
at his own expense.
DOC (Canada)
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du 
Canada.
Safety Certifications
UL, CUL, TÜV, NOM
EN 55022 Warning
This is a Class A product. In a domestic environment it may cause radio interfer-
ence, in which case the user may be required to take adequate measures. The typ-
ical use is in a conference room, meeting room or auditorium.
Remote Control Warning
Laser radiation class II product; wavelength 670nm; maximum output 1mW. 
Remote control complies with applicable requirements of 21 CFR 1040.10 and 
1040.11. Remote control complies with applicable requirements of EN 60 825-1: 
1994 +A11. 
						

							Declaration of Conformity
Manufacturer: InFocus
27700B SW Parkway Ave. Wilsonville, Oregon 97070 USA
European Office: Olympia 1, NL-1213 NS Hilversum, The Netherlands
We declare under our sole responsibility that the LP755 LCD projector conforms 
to the following directives and norms:
Directive 89/336/EEC, Amended by 93/68/EEC
EMI: EN 55022 (1992) Class A
EMC: EN 50082-1 (1992)
Directive 73/23/EEC, Amended by 93/68/EEC
Safety: EN 60950: 1992 + A1 + A2 + A3: 1995
October, 1999
Australian Certification C-tick mark
Trademarks
Apple, Macintosh, and PowerBook are trademarks or registered trademarks of 
Apple Computer, Inc. IBM and PS/2 are trademarks or registered trademarks of 
International Business Machines, Inc. MicroSaver and Kensington are trademarks 
or registered trademarks of Kensington Microware Limited. Microsoft, Power-
Point, and Windows are trademarks or registered trademarks of Microsoft Corpo-
ration. CableWizard, InFocus and LP are trademarks or registered trademarks of 
InFocus. 
						

							i
TABLE OF CONTENTS
Safety Instructions  iii
Introduction 1
Image Resolution  1
Compatibility 1
Unpacking the Projector  1
Usage Guidelines  3
If You Need Assistance  4
Warranty 4
Setting up the Projector  5
Connecting the CableWizard™3 to the Projector  6
Preparing to Connect Your Equipment to the Projector  7
Connecting a Laptop Computer  8
Connecting a Desktop Computer  10
Connecting a Computer Using a VESA cable  12
Connecting a Video Player  13
Connecting an External Speaker   15
Powering up the Projector and Adjusting the Image  15
Turning Off the Projector  16
Using the Projector  17
Basic Image Adjustment  17
Using the Remote Control  17
Adjusting the Projector  19
Using the Keypad and Remote Buttons  21
Using the On-Screen Menus  24
Display Menu 25
Audio Menu  27
Image Menu  29
Controls Menu  31
Language Menu
 34
Status Menu  34
Help menu  35 
						

							ii
Ta b l e  o f  C o n t e n t s
Maintenance & Troubleshooting  37
Cleaning the Lens  37
Cleaning the Fan Intake Filter  37
Replacing the Projection Lamp  39
Replacing the Batteries in the Remote Control  41
Using the Kensington Lock  41
Troubleshooting 42
Solutions to Common Problems  43
Appendix 49
Specifications 49
Accessories 51
Portable and Laptop Activation Chart  53
Using Video Mirroring with a PowerBook Computer  57
Projected Image Size  58
Index 61 
						

							iii
SAFETY INSTRUCTIONS
Please read and follow all safety instructions provided BEFORE
 
using your new projector. Failure to comply with safety instruc-
tions may result in fire, electrical shock, or personal injury and 
may damage or impair protection provided by equipment. Please 
save all safety instructions.
Safety Definitions:
•
Wa r n i n g : Statements identify conditions or practices that 
could result in permanent personal injury.
•Caution: Statements identify conditions or practices that could 
result in damage to your equipment.
Safety Terms:
•
Wa r n i n g : Don’t look directly into the lens when the projector is 
turned on.
•Wa r n i n g : Don’t block ventilation openings.
•Wa r n i n g : To replace the lamp, turn the power off and 
unplug the power cord. To avoid burns, wait 30 minutes 
before opening the lamp door. Follow all instructions provided 
in this User ’s Guide.
•Wa r n i n g : Please use the power cord provided. Connect 
the power cord to a receptacle with a protective safety 
(earth) ground terminal.
•Wa r n i n g : Visible laser radiation. Do not stare into 
beam.
•Wa r n i n g : Refer all service to qualified service personnel. Ser-
vicing your own projector will void the warranty. See the fol-
lowing page for the customer service contact information.
•Caution: Don’t set liquids on the projector. Spilled liquids may 
damage your projector.
•Caution: Don’t place the projector on a hot surface or in direct 
sunlight.
•Caution: Do not drop the projector. Transport the projector in 
an InFocus-approved case; see page 52 for a list of cases. 
						

							iv
Safety Instructions
•
Caution: For ceiling mount installations, please use the ceiling 
mount recommended in this User ’s Guide on page 52 and fol-
low all instructions provided with it.
Safety Symbols:
Attention:
 For information about usage of a feature, please 
refer to the User ’s Guide.
Wa r n i n g : Hot surface. Do not touch.
An arrow pointing to the lamp door on the projector.
Wa r n i n g : Laser radiation. Do not stare into laser beam.
Customer Service
If you need assistance, call InFocus Customer Service directly at
1-800-799-9911. Support is free between 6 a.m. and 6 p.m. PST, 
Monday through Friday. Support is available in North America 
after hours and weekends for a fee at 
1-888-592-6800.
Or, send us an e-mail at [email protected]
In Europe, call InFocus in The Netherlands at 
(31) 35-6474010. 
In Asia, call 
(65) 332-0659.  
						

							INTRODUCTION
3821-LP755 COV/DIV ENG  9/9/99  4:55 PM  Page 3 
						

							1
INTRODUCTION
The InFocus
® LP™755 lightweight multimedia projector com-
bines powerful and sophisticated features with easy-to-use, intui-
tive controls. Built-in multimedia features include audio, a 
palette of 16.7 million colors and active matrix liquid crystal dis-
play (LCD) technology. It delivers crisp, clear XGA 1024x768 
images. The LP755 is ideal for high-performance business, train-
ing and imaging applications that demand exceptional color 
quality.
Image Resolution
NOTE: The projector automati-
cally expands 640x480 and 
800x600 images to 1024x768. 
You can display these images at 
their original resolutions by turn-
ing off the Auto Resize feature. 
See “Auto Resize” on page 29 for 
more information.
The XGA resolution of the LP755’s projected image is 1024x768. 
Screen resolutions between 1024x768 and 1280x1024 are com-
pressed to 1024x768. The projector cannot compress screen reso-
lutions above 1280x1024. If your computer ’s screen resolution is 
higher than 1280x1024, reset it to a lower resolution before you 
connect the projector
.
Compatibility
The projector is compatible with a wide variety of computers and 
video devices, including:
•IBM-compatible computers, including laptops, up to 1280x1024 
resolution at 75 Hz.
•Apple Macintosh and PowerBook computers up to 1280x1024 
resolution.
NOTE: Selected workstations are 
also supported. Contact your InFo-
cus dealer for details. •
Most standard VCRs, camcorders, DVD and laser disc players.
Unpacking the Projector
The projector comes with the items shown in Figure 1. Check to 
make sure all are included. Contact your InFocus dealer immedi-
ately if anything is missing.
If you are experienced in setting up presentation systems, use the 
LP755 Quick Start card that was included in the projector ’s case. 
For complete details on connecting and operating the projector, 
refer to this User ’s Guide. User ’s Guides are also available for 
download from our web site at 
http://www.infocus.com.