InFocus LP770 manual Troubleshooting, Problem Nothing on projection screen

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M a i n t e n a n c e

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T r o u b l e s h o o t i n g

 

 

 

Troubleshooting

LED indicators

NOTE: If you accidentally use the Main power switch to turn the projector off while the lamp is on or still cooling, allow the projector to cool for 10 minutes before attempting to turn it back on.

Problem: Nothing on projection screen

•Make sure that the power cord is properly connected to a fully functional 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 lamp is turned on. Press the Power button on the keypad.

•Check the projector’s lamp to ensure that it had not been in use for over 2,000 hours and is securely connected in the lamp module. See “Replacing the Projection Lamp” on page 31.

•Make sure the lamp door and filter covers are correctly installed.

•Make sure you have allowed the projector to cool down before turning it off. If the lamp has not cooled sufficiently, you can not turn the projector back on immediately. Wait 10 minutes for the projector to cool, then turn it on.

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

•Make sure the image and audio have not been muted.

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Contents Page Safety Certifications Declaration of Conformity Table of Contents Index Maintenance & TroubleshootingAppendix Safety Instructions Asia, call InFocus in Singapore at 65 Introduction Image ResolutionCompatibility Unpacking the ProjectorT r o d u c t i o n Usage Guidelines If You Need Assistance WarrantyT 3 f t Setting UP the ProjectorT t i n g O j e c t o r Connecting a Computer Connecting a mouse via the USB connector Connecting a mouse via the ADB connector Connecting a Video Player Powering up the Projector and Adjusting the Image Turning Off the Projector Using the Remote Control Using the ProjectorBasic Image Adjustment I n g O j e c t o r Adjusting the Projector Using the Keypad and Remote Buttons Use this button to accept your selections in the menus Remote only buttons Keypad LEDs Using the On-Screen Menus Picture Menu Sharpness Audio Menu Installation Menu Option Menu Cinema Mode Signal Menu Tracking Cleaning the Air Filters Maintenance & TroubleshootingCleaning the Lens I n t e n a n c e Troubleshooting Replacing the Projection Lamp Lift up the metal handle and pull the module out Figure Using the Kensington Lock Replacing the Batteries in the Remote ControlProblem Nothing on projection screen TroubleshootingProblem The screen resolution is not right Problem Color or text not being projectedProblem Image isn’t centered on the screen Problem Only a blank screen displaysProblem Image is out of focus Problem Image is too wide or narrow for screenProblem Image and menus are reversed left to right Problem no soundProblem Lamp shuts off Problem Lamp seems to be getting dimmerPage Appendix SpecificationsStandard Accessories Ship with the projector Part Number AccessoriesOptional Accessories Key command to Computer Activate port De-activate port Portable and Laptop Activation ChartFN-F8 CRT/LCD FN-D NCR FN-F6 Using Video Mirroring with a PowerBook Computer Diagonal Height Width Distance to Projected Image SizePage Index D e Still button Video Ordering cable 41 sync D e Limited Warranty Part Number
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LP770 specifications

The InFocus LP770 is a high-performance projector designed with advanced technology to meet the demands of modern presentations and visual displays. This model stands out in the competitive projector market due to its exceptional clarity, vibrant color reproduction, and user-friendly features.

At the heart of the InFocus LP770 is its powerful DLP (Digital Light Processing) technology. DLP offers excellent brightness and sharpness, making it suitable for various environments, from dimly lit conference rooms to well-lit auditoriums. With a brightness rating of 5000 ANSI lumens, the LP770 ensures that images remain vivid and detailed, even in challenging lighting conditions.

One of the key features of the LP770 is its native resolution of 1024x768 pixels, which delivers crisp images and is particularly well-suited for standard presentations and video content. The projector also supports 720p and 1080p content, allowing for compatibility with a range of media sources, and making it ideal for both business and educational settings.

In addition to its superior image quality, the InFocus LP770 boasts an impressive contrast ratio of 2000:1, enabling it to produce deep blacks and bright whites. This feature enhances the overall depth and richness of the images, making presentations more engaging and visually appealing.

Connectivity options are abundant with the LP770. It is equipped with multiple input ports, including HDMI, VGA, and USB, allowing users to connect various devices such as laptops, tablets, and even smartphones. This versatility ensures that users can easily switch between different sources during presentations without major disruptions.

Another significant aspect of the LP770 is its integrated speaker, which eliminates the need for additional audio equipment when delivering presentations. The built-in 10-watt speaker provides clear sound, making it a practical choice for small to medium-sized rooms.

Designed for ease of use, the InFocus LP770 features straightforward navigation controls and a comprehensive menu, allowing users to quickly make adjustments to settings such as brightness, contrast, and keystone correction. The projector's lightweight and portable design further enhance its usability, making it easy to transport and set up in different locations.

In conclusion, the InFocus LP770 offers a blend of outstanding image quality, multiple connectivity options, and user-friendly features, making it an excellent choice for professionals seeking a reliable projector for various applications. Whether for business meetings, educational purposes, or event displays, the LP770 stands out as a versatile and powerful tool for effective communication and engagement.
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