InFocus LP925 Projector User Manual

3
FIGURE 2
Side view of projector
Usage Guidelines
 Do not look directly into the projection lens when the lamp is 
turned on. The bright light may harm your eyes.
 Do not block the grills on the projector. Restricting the air flow 
can cause it to overheat and turn off. If this happens, you must 
wait a minute before attempting to turn it back on.
 Handle the projector as you would any product with glass 
components. Be especially careful not to drop it.
 Avoid leaving the projector in direct...

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 39. Or, check the 
Service and Support section of our website at 
http://www.infocus.com/service. You’ll find a Technical Library, 
FAQs, and support contacts including a technical support e-mail 
form.
If those sources don’t answer your question, call your InFocus 
dealer. You can also call InFocus Customer Service directly at
1-800-799-9911. Call...

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 6 feet (1.8 m) of your computer.
If you want to project from behind a translucent screen, set 
up the projector behind your screen. See “Rear Projection” 
on page 31 to reverse the image.
If you are installing the projector on the ceiling, refer to the 
installation guide that comes with the Ceiling Mount Kit for 
more information. To turn the image upside...

6
Setting up the Projector
F
IGURE 3
Projected image size for 10’ diagonal image size
NOTE: The CableWizard
connector is used with the optional
CableWizard2 or 3, a connection
hub containing mouse, audio,
monitor and computer connectors.
It is optimized for ceiling-mounted
installations, and can be used with
a 60’ extension cable. See
“Optional Accessories” on
page 44. This input is designated
Computer CableWizard.
Once you know the diagonal image size, you can figure out the 
width and height using...

7
FIGURE 4
Connector panel
NOTE: Make sure all equipment 
is turned off before connecting 
equipment.
The projector has the following audio/video inputs:
LL
In out InIn
LHVRR RCb R
Y G
Cr B
VESAM1-DACableWizardVideo
S-VideoUSB
Wired
Remote
RS232 Serial
Audio 3 Audio 1 Audio 2
external
speakersaudio
inputs
Computerwired
Computer
RS-232 Computer M1
Component Video Computer RGBHV
5 BNCs
VESAAnalog/Digital
CableWizardremoteUSB
S-video
Composite
3 BNCs
Video
Source Video Audio
Computer 
RGBHV3 Single-ended...

8
Setting up the Projector
Connecting a Computer Using a VESA Cable
This input is designated Computer VESA.
NOTE: If you are connecting an
older Macintosh computer that
has a 2-row 15-pin connector, you
must use a Mac adaptor between
the computer and the projector.
See “Optional Accessories” on
page 44.
1Plug one end of the supplied VESA cable into the video con-
nector on your computer. Plug the other end into the VESA 
connector on the projector.
2If you want audio with your presentation, plug an audio...

9
Connecting a Computer with an M1-DA Cable
See “Optional Accessories” on page 44 to order this cable. 
This input is designated Computer M1 Analog or Computer M1 
Digital.
1Plug the   end of the M1-DA computer cable into the 
M1-DA connector on the projector.
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....

10
Setting up the Projector
Connecting a Computer with an RS-232 Cable
You can control the projector from an LCD control panel by con-
necting an RS-232 cable to the projector (see Figure 4 on page 7). 
See “RS232 Terminal Specifications” on page 53 for details.
Connecting a Video Player
There are 3 video inputs: Composite video, S-video, and Compo-
nent video. For Composite and S-video, follow these instructions:
1If your video player uses a round, one-prong composite video 
connector, you’ll need only...

11
FIGURE 8
Connecting the projector to a video player using an S-video cable and the A/V cable
4Plug the A/V cable’s white connector into the left “audio out” 
connector on your video player. Plug the cable’s red connector 
into the right “audio out” connector on the video player (Fig-
ure 7 and Figure 8).
CAUTION: Your video player 
may also have a “Video Out” con-
nector for a coaxial cable connec-
tion. DO NOT use this to connect 
to the projector. 
5Plug the A/V cable’s other white and red...

12
Setting up the Projector
Connecting External Speakers 
To connect one or two external speakers, plug the speaker cable 
into the   out (audio out) connectors on the projector. The 
external speaker ’s volume is controlled by the projector; see “Vol-
ume + or -” on page 21.
FIGURE 9
Connecting external speakers
Connecting the Remote Control Cable
If the projector cannot receive the remote’s signal, as may be the 
case if you’re using rear projection, connect the remote directly to 
the projector with...