InFocus LP420 warranty Troubleshooting Problem Nothing on projection screen

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Troubleshooting

Problem: Nothing on projection screen

•Make sure that the power cord is properly connected to a func- tional AC electrical outlet. Make sure that the power cord is also properly connected to the projector.

•If the projector is plugged into a power strip, make sure the power strip is turned on.

•Make sure you have removed the lens cap on the projection lens at the front of the projector.

•Make sure the projector is switched on.

•Check the projector’s lamp to ensure that it is securely con- nected in the lamp module. See “Replacing the Projection Lamp” on page 25.

•Make sure that the cables do not have any bent pins.

Problem: Color or text not being projected

•You might need to adjust the brightness up or down until the text is visible. Refer to “Brightness” on page 17 for more infor- mation.

Problem: The screen resolution is not right

•Make sure the computer’s video card is set for a resolution of no greater than 1024x768. A resolution of 800x600 yields the highest quality image.

Problem: Image isn’t centered on the screen

•Reposition the image. Refer to “Horiz. Position” on page 21 and “Vert. Position” on page 21.

•Be sure the projector is at a 90 degree angle to the screen.

Problem: Only the start-up screen displays

•Verify that the cables are connected correctly. See page 7 through page 9 for connection procedures.

•Verify that the proper input source is connected. See “Source” on page 15.

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Contents Table of Contents Appendix IndexSafety Summary Do Not Look Into The LensF e t y M m a r y Image Resolution IntroductionCompatibility Unpacking the ProjectorT r o d u c t i o n Usage Guidelines Warranty If You Need AssistanceSetting UP the Projector T t i n g O j e c t o r Connecting an IBM-Compatible Computer Connecting a Macintosh Computer Connecting a Video Player Audio/video cableVideo cable Cable Powering up the Projector and Adjusting the Image Turning Off the Projector Adjusting the Projector Using the ProjectorBasic Image Adjustment I n g O j e c t o r Using the Keypad Buttons Using the On-Screen Menus Display Menu Functions Color Audio Menu Functions Image Menu Functions Manual Tracking, Horiz. Posi Controls Menu Functions Rear Projection Replacing the Projection Lamp Maintenance & TroubleshootingCleaning the Lens Pull the lamp door up and remove it Remove the module Figure Using the Kensington Lock Troubleshooting Problem Nothing on projection screen Problem Color or text not being projectedProblem The screen resolution is not right Problem Image isn’t centered on the screenProblem Image is too wide or narrow for screen Problem Image is out of focus Problem Image and menus are reversed left to rightProblem no sound Problem Image is noisy or streakedProblem Lamp seems to be getting dimmer Problem Lamp shuts offSpecifications AppendixP e n d i Accessories Standard Accessories Ship with the projector Part NumberOptional Accessories Portable and Laptop Activation Chart Key command to Computer Activate port De-activate portFN-F6 FN-F4 FN-F1 FN-F2 FN-F1 FN-F7 FN-F5 Using Video Mirroring with a PowerBook Computer Projected Image Size Distance to Diagonal Width HeightIndex D e

LP420 specifications

The InFocus LP420 is a compact yet powerful video projector that exemplifies the advancements in projection technology tailored for professional and educational environments. Known for its versatility and performance, the LP420 remains a popular choice among users seeking quality visuals and user-friendly features.

One of the standout characteristics of the LP420 is its brightness. With an impressive output of 2000 ANSI lumens, this projector is designed to deliver clear and vibrant images, even in ambient light conditions. This level of brightness makes the LP420 suitable for a variety of settings, including conference rooms, classrooms, and places where controlling lighting may not always be possible.

The LP420 is equipped with a native resolution of XGA (1024 x 768 pixels). This resolution provides sharp images and ensures that text and graphics are displayed crisply, which is essential for presentations and educational purposes. Additionally, it supports a range of resolutions up to UXGA (1600 x 1200), providing flexibility depending on the content being displayed.

A key feature of the LP420 is its DLP (Digital Light Processing) technology. This technology allows for more accurate color reproduction and greater image stability compared to older projection methods. DLP projectors are also known for their lower maintenance needs, as they typically do not require lamp replacements as frequently as other types, which is advantageous for organizations looking to minimize long-term operating costs.

Connectivity is another important aspect of the InFocus LP420. The projector is equipped with multiple input options, including VGA, composite video, and S-Video, allowing it to connect easily to a range of devices, such as laptops, DVD players, and document cameras. This versatility ensures that users can seamlessly integrate the projector into existing technology setups.

In terms of design, the LP420 is compact and lightweight, making it easy to transport for on-the-go presentations or temporary setups. The intuitive interface and remote control further enhance the user experience, allowing for quick adjustments and settings changes without hassle.

In summary, the InFocus LP420 stands out for its combination of brightness, resolution, and user-friendly features. With DLP technology and versatile connectivity options, it is a reliable choice for a wide range of professional applications. Its compact design and ease of use make it particularly appealing for educators and business professionals alike, ensuring impactful presentations wherever it is deployed.
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