InFocus Projector Lp755 User Manual

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Do you want to control your computer’s mouse from the projector’s 
remote or keypad?
If your computer has a PS/2 connector, use the PS/2 mouse cable
1Unplug the mouse cable from your computer.
NOTE: A USB mouse is hot-plug-
gable, meaning you do not need to 
re-boot your computer after con-
necting the mouse to use it. A PS-2 
mouse is not hot-pluggable.
2Plug the   end of the CableWizard mouse cable into the 
mouse connector on your computer.
3Plug the   end of the CableWizard mouse cable into the...

12
Setting up the Projector
Connecting a Computer Using a VESA cable
The supplied VESA cable connects to the High Density 15-pin 
connector (HD 15) on the projector. This input is designated 
Computer 2.
1Locate the cable that connects your monitor to your computer. 
Unplug it from the computer.
2Plug one end of the VESA cable into the video connector on 
your computer. 
3Plug the other end of the VESA cable into the HD 15 connec-
tor on the projector.
Do you want to play your computer’s audio on the...

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Connecting a Video Player
1If your video player uses a round, one-prong composite video 
connector, you’ll need only the A/V cable that shipped with 
the projector. 
•If your video player uses a round, four-prong S-video con-
nector, you’ll need an S-video cable in addition to the A/V 
cable. The S-video cable is sold separately. (See “Optional 
Accessories” on page 52.)
2Plug the A/V cable’s yellow connector into the “video-out” 
port on your video player (Figure 11). This port may be 
labeled “To...

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Setting up the Projector
F
IGURE 12
Connecting the projector to a video player using an S-video cable and the audio con-
nectors on the standard A/V cable
4Plug the A/V cable’s white connector into the left “audio out” 
port on your video player. Plug the cable’s red connector into 
the right “audio out” port on the video player (Figure 11 and 
Figure 12).
CAUTION: Your video player
may also have a “Video Out” port
for a coaxial cable connection.
DO NOT use this to connect to the
projector.•
If you’re...

15
Connecting an External Speaker 
To connect one or two external speakers, plug the speaker cable 
into the   (audio out) connector on the projector.
FIGURE 13
Connecting an external speaker
Powering up the Projector and Adjusting the Image
NOTE: Always use the power cord 
that shipped with the projector.
1Remove the lens cap.
2Plug the power cord into the side of the projector, then plug it 
into your electrical outlet. A surge-protected power strip is 
recommended if power surges are common in your...

16
Setting up the Projector
•
If you don’t want to hear the sound from your video player, 
press the 
mute button.
5If you connected any external speakers, turn them on.
6If you connected your monitor, turn it on.
7If you connected your computer, turn it on. 
•The computer image should display on the projection 
screen. (If a video source is active, press the 
comp button to 
display your computer ’s image.)
NOTE: With some computers,
the order in which you power up
the equipment is very important.
Most...

USING THE
PROJECTOR
3821-LP755 COV/DIV ENG  9/9/99  4:55 PM  Page 5 

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USING THE PROJECTOR
This section describes how to use and make adjustments to the 
projector. It also provides a reference to the keypad and remote 
buttons and the options available from the on-screen menus.
Basic Image Adjustment
1Make sure you have powered up your equipment in the right 
order (page 15).
2If the image doesn’t display completely, adjust the height and 
tilt of the projector (page 19), zoom the image (page 19 and 
page 30), or center the image by adjusting its horizontal or 
vertical...

18
Using the Projector
F
IGURE 14
Remote control
NOTE: To control the computer’s
mouse from the projector’s remote
or keypad, you must connect the
mouse cable to the CableWizard.
See page 7 for details.
Press anywhere on the edge of the disk mouse to move the cursor 
on the screen. You can move the cursor at any angle by pressing 
the corresponding edge of the disk. The mouse button on the top 
of the remote simulates your computer ’s right mouse button; the 
button on the bottom simulates your computer...

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Adjusting the Projector
To focus the image, rotate the focus ring (Figure 15) until the 
image is clear. To zoom the image, rotate the zoom ring. This 
adjusts the image size without affecting focus.
FIGURE 15
Focus ring, zoom ring, and elevator button
The projector is equipped with a self-locking, quick-release eleva-
tor foot and button (Figure 15) and a leveling knob (Figure 16).
FIGURE 16
Leveling knob
focus ringzoom ring
elevator button