InFocus Projector Lp755 User Manual

2
Introduction
NOTE: The contents of your
shipping box may vary depending
on the configuration you’ve
ordered.
F
IGURE 1
Shipping box contents
1. LP755 projector and lens cap 7. VESA cable
2. Soft carry case 8. VESA audio cable
3. LP755 documentation: 
User’s Guide, Quick Start 
card, online CD9.
CableWizard
3
4. power cord 10. CableWizard USB mouse cable
5. remote and batteries  11. CableWizard PS/2 mouse cable
6. RCA audio/video (A/V) cable 12. CableWizard audio cable
12
3 4
5
6
7
89
101112 

3
FIGURE 2
Projector
Usage Guidelines
•Do not look directly into the projection lens when the projector 
is turned on. The bright light may harm your eyes.
NOTE: If you turn the projector 
off then back on again, it takes 
about 30 seconds for the lamp to 
light. •
Do not block the grills on the projector. Do not place the projec-
tor on cloth table coverings, as they may get sucked up to the 
vents. Restricting the air flow can cause it to overheat and turn 
off.
•Handle the projector as you would any...

4
Introduction
If You Need Assistance
The first place to look for help is in this manual. Be sure to check 
the guidelines in “Troubleshooting” on page 42. 
If this manual doesn’t answer your question, call your InFocus 
dealer. You can also call InFocus Customer Service directly at
1-800-799-9911. Customer Service is free between 6 a.m. and 
6 p.m. PST, Monday through Friday. Service is available in North 
America after hours and on weekends for a fee at 
1-888-592-6800.
In Europe, call InFocus in The...

SETTING UP
THE PROJECTOR
3821-LP755 COV/DIV ENG  9/9/99  4:55 PM  Page 4 

5
SETTING UP THE PROJECTOR
1Place the projector on a flat surface.
•The projector must be within 10 feet (3 m) of your power 
source and within 8 feet (2.4 m) of your computer.
NOTE: An optional extension 
cable, sold separately, lets you 
increase the distance between the 
projector and your computer to 
68 feet (21 m). See “Optional 
Accessories” on page 52. •
If you want to project from behind a translucent screen, set 
up the projector behind your screen. See “Rear Projection” 
on page 32 to reverse...

6
Setting up the Projector
Connecting the CableWizard™3 to the Projector
CAUTION: Tu r n  o f f  t h e
computer, monitor and projector
whenever you connect or
disconnect cables.
The CableWizard3 (referred to as “CableWizard” in this manual 
for brevity) simplifies the connection process by providing a cen-
tral hub for all the connections between the projector and your 
computer. The connectors on the CableWizard are labeled with 
icons. The CableWizard also has an LED that lights solid green 
when the...

7
Preparing to Connect Your Equipment to the Projector
NOTE: Before you continue, 
make sure the projector and your 
equipment are turned off. If you’re 
connecting a computer, make sure 
the distance between it and the 
projector is 10 feet or less.
Now you’re ready to connect your equipment. Computers are 
either connected to the CableWizard or directly to the projector 
via the VESA connector. Video players and other equipment, 
such as external speakers, are connected directly to the projector.
Steps...

8
Setting up the Projector
Connecting a Laptop Computer 
NOTE: Many laptop computers
do not automatically turn on their
external video port when a
secondary display device such as a
projector is connected. Refer to
your computer manual for the
command that activates the
external video port. Activation
commands for some laptop
computers are listed in the
Appendix.
1Plug the   end of the CableWizard cable into the video con-
nector on your laptop.
FIGURE 6
Connecting the CableWizard to a laptop computer
Do...

9
FIGURE 7
Connecting the CableWizard audio and mouse cables to a laptop computer
If your computer has a USB connector and is running Windows 98, 
use the USB mouse cable
NOTE: The USB mouse is sup-
ported for use with Windows 98 
only.
1Plug the   end of the CableWizard mouse cable into 
the mouse connector on your computer. 
2Plug the   end of the CableWizard mouse cable into the   
connector on the CableWizard.
You must have the appropriate USB drivers installed on your 
computer to use the USB...

10
Setting up the Projector
Connecting a Desktop Computer
1Locate the cable that connects your monitor to your computer. 
Unplug it from the computer.
NOTE: If you are connecting an
older Macintosh computer that
does not have a 15-pin connector,
you must use Mac adaptors
(ordered separately). See
“Optional Accessories” on
page 52.
2Plug the   end of the CableWizard cable into the monitor 
connector on your computer.
FIGURE 8
Connecting the CableWizard cable to a desktop computer
Do you want to display...