InFocus LP790 User manual
LP
®
790
large audience projector
User’s Guide
5404LP790Dividers.qxd 10/4/01 5:06 PM Page 2
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Declaration of Conformity
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TA B L E O F C O N T E N T S
Safety Instructions iii
Introduction 1
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Setting up the Projector 7
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Using the Projector 17
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Ta b l e o f C o n t e n t s
Maintenance & Troubleshooting 33
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Appendix 43
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Index 53
iii
SAFETY INSTRUCTIONS
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Safety Definitions:
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Safety Terms:
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iv
Safety Instructions
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Important Operating Considerations
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Technical Support
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1-800-799-9911+#$8"8"?+
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* /(31) 35-6474010
+(65) 353-9449
Do not place objects in
this area on the side of the projec
t
2ft(.6m)
1
INTRODUCTION
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Image Resolution
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NOTE: The LP790 automatically
expands 640x480 and 800x600
images to 1024x768.
Compatibility
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NOTE: The projector is compati-
ble with 1080i and 720P HDTV
formats.
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Unpacking the Projector
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diately if anything is missing.
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Introduction
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FIGURE 1
Shipping box contents
1. Projector + lens cap 6. Computer cable
2. Dust cover 7. Audio/Video cable
3. User’s Guide, Quick Start
card, and CD
8. USB mouse cable
4. Remote control with batter-
ies
9. S-Video cable
5. Power cord* 10. SCART adapter
*additional country-dependent power cords may be included
1
2
3
4
5*
6
79
810
3
FIGURE 2
Front view of projector
FIGURE 3
Rear view of projector
FIGURE 4
Bottom view of projector
keypad
zoom r
i
ng
focus ring
IR sensor
connectors
security lock
speakers
power connector/switch
foot release
dust filter
adjustable foot
lamp housing
4
Introduction
Usage Guidelines
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If You Need Assistance
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http://www.infocus.com/service. DH# 3
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NOTE: For general product
information, please call
1-800-294-6400.
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+(65) 353-9449
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http://www.infocus.com.
5
Warranty
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6
Introduction
7
SETTING UP THE PROJECTOR
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NOTE: The projector must be at
least 3.9 feet (1.2 m) from the
projection screen.
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FIGURE 5
Projected image size
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2.8ft.
16.7ft.
5.8ft.
4.6 ft
10.5 ft.
30.6 ft.
8
Setting up the Projector
NOTE: Before you continue,
make sure the projector and all
other equipment is turned off. If
you’re connecting a computer,
make sure the distance between it
and the projector is 13 feet or less.
FIGURE 6
Connector panel
NOTE: If you are connecting an
older Macintosh computer that
does not have a 15-pin connector,
you must use a Mac adaptor
between the computer and the
projector. See “Optional
Accessories” on page 45.
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computer
USB mouse
PS/2 mouse
computer VESA
S-video
video audio in
monitor component video
computer DVI
audio out
ethernet
remote
audio in
RS-232
Source Video Audio
Computer
RGBHV
3 Single-ended analog RGB
+ 2 H&V sync (5 BNCs)
mini jack
Computer
VESA* (2)
VESA Single-ended analog
RGB (HD-15)
mini jack
Computer-
DVI
DVI-D mini jack
Compo-
nent Video
Base-band component video
(BNC)
Left and right line-level
(2 RCAs)
Composite
Video*
Base-band composite video
(RCA)
Left and right line-level
(2 RCAs)
S-Video* S-video Y/C (4-pin circular) Left and right line-level
(2 RCAs)
9
Connecting a Computer
NOTE: Many laptop computers
do not automatically turn on their
external video port when a sec-
ondary display device such as a
projector is connected. Refer to
your computer manual for the
command that activates the exter-
nal video port. Activation com-
mands for some laptop computers
are listed in the Appendix of this
manual on page 46 and in the
Service section of our website.
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FIGURE 7
Connecting the projector to a computer
Do you want to play your computer’s audio on the projector?
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Do you want to display the image on your desktop computer’s moni-
tor as well as on the projection screen?
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computer cable
10
Setting up the Projector
Do you want to control the computer’s mouse from the projector’s
remote?
NOTE: The USB mouse is
supported for use with
Windows 98 or higher only.
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NOTE: If your computer has a
PS/2 mouse, purchase an optional
PS/2 mouse cable.
If your computer has a PS/2 connector, use an optional PS/2 mouse
cable.
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NOTE: You do not need to restart
your computer after connecting a
USB mouse to use it (it is hot-
pluggable). You must restart your
computer after plugging in a PS-2
mouse.
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Connecting a Computer with a DVI Cable
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Connecting a Computer with an RS-232 Cable
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Connecting a Video Player
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FIGURE 8
Connecting the projector to a VCR using the A/V cable
A/V cable
12
Setting up the Projector
FIGURE 9
Connecting the projector to a VCR using the S-video cable
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CAUTION: Your video player
may also have a “Video Out”
connector for a coaxial cable
connection. DO NOT use this to
connect to the projector.
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Connecting a Video Player using BNC Cables
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Connecting External Speakers
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Connecting the Remote Control Cable
NOTE: For more information on
using the remote, see page 19.
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A/V cable
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