InFocus LP750 User Manual
TABLE OF CONTENTS |
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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 |
33 |
Status Menu |
33 |
i
T a b l e |
o f |
C o n t e n t s |
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Maintenance & Troubleshooting |
35 |
Cleaning the Lens |
35 |
Cleaning the Fan Intake Filter |
35 |
Replacing the Projection Lamp |
37 |
Replacing the Batteries in the Remote Control |
39 |
Using the Kensington Lock |
39 |
Troubleshooting |
40 |
Solutions to Common Problems |
41 |
Appendix |
47 |
Specifications |
47 |
Accessories |
49 |
Portable and Laptop Activation Chart |
51 |
Using Video Mirroring with a PowerBook Computer |
55 |
Projected Image Size |
56 |
Index |
59 |
ii
SAFETY INSTRUCTIONS
Please read and follow all safety instructions provided BEFORE using your new projector. Failure to comply with safety instructions 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:
•Warning: 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:
•Warning: Don’t look directly into the lens when the projector is turned on.
•Warning: Don’t block ventilation openings.
•Warning: 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.
•Warning: Please use the power cord provided. Connect the power cord to a receptacle with a protective safety
(earth) ground terminal.
•Warning: Visible laser radiation. Do not stare into beam.
•Warning: Refer all service to qualified service personnel. Servicing your own projector will void the warranty. See the following 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 In Focus-approved case; see page 50 for a list of cases.
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S a f e t y |
I n s t r u c t i o n s |
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•Caution: For ceiling mount installations, please use the ceiling mount recommended in this User’s Guide on page 50 and follow all instructions provided with it.
Safety Symbols:
Attention: For information about usage of a feature, please refer to the User’s Guide.
Warning: Hot surface. Do not touch.
An arrow pointing to the lamp door on the projector.
Warning: Laser radiation. Do not stare into laser beam.
Customer Service
If you need assistance, call In Focus Customer Service directly at 1-800-799-9911. Support is free between 5 a.m. and 5 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 techsupport@infocus.com
In Europe, call In Focus in The Netherlands at (31) 35-6474010.
In Asia, call (65) 332-0659.
iv
INTRODUCTION
The In Focus® LP™750 lightweight multimedia projector combines powerful and sophisticated features with easy-to-use, intuitive controls. Built-in multimedia features include audio, a palette of 16.7 million colors and active matrix liquid crystal display (LCD) technology. It delivers crisp, clear XGA 1024x768 images. The LP750 is ideal for high-performance business, training and imaging applications that demand exceptional color quality.
Image Resolution
The XGA resolution of the LP750’s projected image is 1024x768. Screen resolutions between 1024x768 and 1280x1024 are compressed to 1024x768. The projector cannot compress screen resolutions 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.
•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 In Focus dealer immediately if anything is missing.
If you are experienced in setting up presentation systems, use the LP750 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.
NOTE: The projector automatically expands 640x480 and 800x600 images to 1024x768. You can display these images at their original resolutions by turning off the Auto Resize feature. See “Auto Resize” on page 29 for more information.
NOTE: Selected workstations are also supported. Contact your In Focus dealer for details.
1
I n t r o d u c t i o n
NOTE: The contents of your
shipping box may vary depending
on the configuration you’ve
ordered.
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FIGURE 1
Shipping box contents
1. |
LP750 projector and lens cap |
7. |
VESA cable |
2. |
Soft carry case |
8. |
VESA audio cable |
3. |
LP750 documentation: |
9. |
CableWizard3 |
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User’s Guide, Quick Start |
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card, online CD |
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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 |
2
remote control
keypad receiver 
speaker
connector panel
zoom ring |
power |
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cord |
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focus ring |
elevator button |
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connector |
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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.
•Do not block the grills on the projector. Do not place the projector 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 product with glass components. Be especially careful not to drop it.
•Avoid leaving the projector in direct sunlight or extreme cold for extended periods of time. If this happens, allow it to reach room temperature before use.
•This projector is not intended for use in a mainframe computer room as defined in the Standard for the Protection of Electronic Computer/Data Processing Equipment, ANSI/NFPA 75.
•Transport the projector in a vendor-approved hard or soft case. Part numbers for these cases are listed on page 50. Call your In Focus dealer to order.
NOTE: If you turn the projector off then back on again, it takes about 30 seconds for the lamp to light.
3
I n t r o d u c t i o n
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 40.
If this manual doesn’t answer your question, call your In Focus dealer. You can also call In Focus Customer Service directly at 1-800-799-9911. Customer Service is free between 5 a.m. and
5 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 In Focus in The Netherlands at
(31) 35-6474010. In Singapore, call (65) 332-0659. Or, send us an e-mail at techsupport@infocus.com
Our World Wide Web address is http://www.infocus.com.
Warranty
This product is backed by a limited two-year warranty. The details of the warranty are printed at the back of this manual. A longer term warranty can be purchased from your In Focus dealer. Refer to page 50 for the part number.
4
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.
•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 the image.
•If you are installing the projector on the ceiling, refer to the
LP750 Ceiling Mount Installation Guide that comes with the Ceiling Mount Kit for more information. To turn the image upside down, see “Ceiling Projection” on page 31. The Ceiling Mount Kit is sold separately; see page 50.
2Position the projector the desired distance from the screen.
•The distance from the lens of the projector to the screen determines the size of the projected image. Figure 3 shows three projected image sizes using the lens at maximum zoom. For more information about image size, see “Projected Image Size” on page 56.
3Make sure the projector and your computer are turned off.
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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 50.
FIGURE 3
Projected image size (maximum zoom)
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CAUTION: Turn off the computer, monitor and projector whenever you connect or disconnect cables.
NOTE: The LP750 is optimized for use with newer CableWizards (2 and 3). If you have a CableWizard 1from older models of In Focus projectors, we do not recommend using it as image quality is reduced. The label on the bottom reads CableWizard or CableWizard II or CableWizard3.
Connecting the CableWizard™3 to the Projector
The CableWizard3 (referred to as “CableWizard” in this manual for brevity) simplifies the connection process by providing a central 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 projector is on and CableWizard is functioning properly. A slowly blinking LED indicates CableWizard is waiting to initialize with the projector; a rapidly blinking LED indicates a problem with CableWizard.
Connect the 
end of the CableWizard cable to the 
connector on the projector’s connector panel (Figure 4).
FIGURE 4
Connecting the CableWizard to the projector
6
Preparing to Connect Your Equipment to the Projector
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 for connecting the different types of equipment are given on the pages listed below.
Equipment you want to connect |
Page |
Laptop computer with CableWizard |
page 8 |
Desktop computer with CableWizard |
page 10 |
Computer with VESA cable |
page 12 |
USB or PS/2 mouse |
pages 8-9, |
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page 11 |
Video player |
page 13 |
External speaker |
page 15 |
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wired remote |
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audio in |
L/R audio in |
(optional |
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(for VESA input) |
accessory) |
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composite |
S-video |
external |
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video |
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speaker |
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FIGURE 5 |
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Connector panel
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.
NOTE: In some older computers, the monitor connector does not have a hole for Pin 9. If you have trouble connecting the CableWizard cable to your computer, contact In Focus Technical Support.
NOTE: If you are connecting an older Macintosh computer that does not have a 15-pin connector, you must use Mac adaptors
(ordered separately). |
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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.
NOTE: If you don’t want audio or mouse control, you can use a simplified cable called CableWizard Lite, ordered separately. See “Optional Accessories” on page 50.
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 50.
Connecting a Laptop Computer
1Plug the 
end of the CableWizard cable into the video connector on your laptop.
FIGURE 6
Connecting the CableWizard to a laptop computer
Do you want to play your computer’s audio on the projector?
1Plug either end of the CableWizard audio cable into the audio connector on your computer.
2Plug the other end of the audio cable into the 
connector on the CableWizard.
Do you want to control the computer’s mouse from the projector’s remote or keypad?
If your computer has a PS/2 connector, use the PS/2 mouse cable
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.
8
audio cable
mouse cable
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
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 feature. Windows 98 ships with the appropriate drivers.
Now you’re ready to power up the projector and your laptop. Skip to “Powering up the Projector and Adjusting the Image” on page 15.
NOTE: The USB mouse is supported for use with Windows 98 only.
NOTE: A USB mouse is hot-plug- gable, meaning you do not need to re-boot your computer after connecting the mouse to use it. A PS-2 mouse is not hot-pluggable.
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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 50.
NOTE: The projector must be turned on to display the image on your monitor.
Connecting a Desktop Computer
1Locate the cable that connects your monitor to your computer. Unplug it from the computer.
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 the image on your computer’s monitor as well as on the projection screen?
1Plug your monitor’s cable into the 
connector on the CableWizard.
Do you want to play your computer’s audio on the projector?
1Unplug the audio cable, if present, from your computer.
2Plug either end of the CableWizard audio cable into the audio connector on your computer.
3Plug the other end of the audio cable into the 
connector on the CableWizard.
10
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.
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 
connector on the CableWizard.
audio cable
mouse cable
monitor cable
FIGURE 9
Connecting the CableWizard monitor, audio and mouse cables to a desktop computer
If your computer has a USB connector and is running Windows 98, use the USB mouse cable
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 you computer to use the USB feature. Windows 98 ships with the appropriate drivers.
Now you’re ready to power up the projector and your computer. Skip to “Powering up the Projector and Adjusting the Image” on page 15.
NOTE: A USB mouse is hot-plug- gable, meaning you do not need to re-boot your computer after connecting the mouse to use it. A PS-2 mouse is not hot-pluggable.
NOTE: The USB mouse is supported for use with Windows 98 only.
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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 connector on the projector.
Do you want to play your computer’s audio on the projector?
1Unplug the audio cable, if present, from your computer.
2Plug either end of the CableWizard audio cable into the audio connector on your computer.
3Plug the other end of the audio cable into the 
connector on the projector.
audio cable
VESA cable
FIGURE 10
Connecting the VESA computer cable to a computer
12
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 connector, 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 50.)
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 Monitor.”
•If you’re using an S-video cable, connect it to the “S-video out” connector on the video player (Figure 12).
3Plug the other yellow connector into the composite connector on the projector.
•If you’re using S-video, plug the other end of the cable into the “S-video” connector on the projector (Figure 12).
audio/video cable
FIGURE 11
Connecting the projector to a video player using the standard A/V cable (with composite video connector)
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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.
S-video cable
A/V cable
FIGURE 12
Connecting the projector to a video player using an S-video cable and the audio connectors 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).
•If you’re using an S-video cable, the yellow connectors on the A/V cable remain unused (Figure 12).
5Plug the A/V cable’s other white and red connectors to the left and right “audio in” ports on the projector.
The projector is compatible with these major broadcast video standards: NTSC, NTSC 4.43, PAL, PAL-M, PAL-N, and SECAM. It automatically adjusts to optimize its performance for the incoming video. The input signals for SECAM, PAL-M, and PAL-N video cannot be automatically detected, therefore they must be chosen manually; see “Video Standard” on page 31.
14
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
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 area.
•The fans turn on and run at low speed. After the projector has initialized, the Power LED (Figure 18 on page 21) lights solid green.
3Turn on the projector by pressing the power button on the remote or keypad.
•The In Focus startup screen displays.
4If you connected a video player, turn it on.
•Press the video button on the keypad to display the image from your video player. (You can select a default source to determine which source the projector examines first during power-up for active video; see “Default Source” on
page 32.)
•Use the volume buttons to adjust the volume.
NOTE: Always use the power cord that shipped with the projector.
CAUTION: If the lamp LED remains solidly lit after the projector has powered on, the lamp needs to be replaced. Refer to “Replacing the Projection Lamp” on page 37 for more information.
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NOTE: With some computers, the order in which you power up the equipment is very important. Most computers should be turned on last, after all other peripherals have been turned on. Refer to your
computer’s documentation to determine the correct order.
CAUTION: When you disconnect the projector after you have turned it off, always remove the power cord from the electrical outlet first, then remove it from 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.)
•If necessary, use the brightness buttons on the keypad to adjust the brightness. You can make further adjustments to the image from the projector’s on-screen menus. To open the menus, press the menu button on the keypad. Then select the Display menu or the Image menu. For more information about the menus, see page 24.
•If you don’t want to hear the sound from your computer, press the mute button.
Turning Off the Projector
If you want to turn off the projector for a short period of time, press the standby button on the remote or keypad. The Standby LED on the keypad lights solid green. This blanks the screen for 15 minutes, but keeps the projector running. After 15 minutes, the projector turns off. You must press the power button to restart. To exit standby mode, press the standby button again. The Standby LED goes out. You can change the amount of time the projector stays in standby mode; see “Standby Time” on page 31 for details.
To turn off the lamp, press the power button on the remote or keypad.
If you want to turn the lamp back on, we recommend waiting 30 seconds.
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