InFocus IN74, IN76 manual Appendix, Red LED behavior and projector errors, LED Behavior

Page 33

Appendix

Red LED behavior and projector errors

If the projector is not functioning properly and the LED is blinking red, con- sult Table 4 to determine a possible cause. There are two-second pauses between the blinking cycles. Visit our website for more details on the red LED error codes.

Table 4: LED Behavior

Red LED Behavior

Explanation

 

 

One (1) blink

The lamp won't strike after five (5)

 

attempts. Check the lamp and lamp door

 

installations for loose connections.

 

 

Two (2) blinks

The lamp counter hours have exceeded

 

lamp life hours. Replace the lamp and

 

reset the lamp hours counter.

 

 

Three (3) blinks

The projector has shut down. Check to

 

see if the lamp door is open. If the lamp

 

door is closed, toggle off the projector

 

and wait one minute, then toggle the pro-

 

jector on again. If the lamp does not strike

 

after one minute, replace the lamp. Con-

 

tact Technical Support for repair if replac-

 

ing the lamp does not solve the problem.

 

 

Four (4) blinks

The fan has failed. Contact Technical Sup-

 

port for repair or replacing the fan.

 

 

Five (5) blinks

The projector is overheating. Check for a

 

blocked air vent (page 16). Contact Tech-

 

nical Support for repair if clearing the

 

vents/screens does not solve the problem.

 

 

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Contents Reference Guide Declaration of Conformity CanadaTable of Contents Introduction Product specifications Accessories Online RegistrationVolt DC output Connector PanelScreen Size Distance Positioning the projectorChoosing the aspect ratio Video connectors Composite RCA video connection Connecting a video deviceVideo connection Component RCA connectionDVI connection Digital connectionsHdmi connection Computer connectionsDisplaying an image Adjusting the imageAdjust Picture menu options including Aspect Ratio Shutting down the projector Troubleshooting your setupPress power button Page Page Color Change lamp message appears at startup or LED blinking red Troubleshooting the remote Using the remote controlUsing the keypad buttons Customizing the projector Optimizing video imagesUsing the menus Picture menu Presets Save User Advanced menu Page Settings menu Startup Logo Language menu Custom Key Blank Screen Service menu Service Info Source Info menu Maintenance Cleaning the lensReplacing the projection lamp Lamp door Captive screws Service menu Red LED behavior and projector errors AppendixLED Behavior Remote control discrete codes Function Description Button Remote control discrete codesProjector dimensions for ceiling mount installations Supported video formats Connector Signal Type Supported formatsRS-232 terminal specifications for IN74 and IN76 Communication configurationCommand format Function Command Range Default Supported commandsNRE VSU Index
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IN74, IN76 specifications

InFocus has established itself as a leader in the projection technology space, offering a range of projectors designed to cater to various needs. The InFocus P760, IN74, IN76, P720, and IN72 are part of their diverse lineup, each designed to deliver exceptional image quality and versatile features.

The InFocus P760 is a powerful DLP projector that shines in both business and education environments. It boasts a brightness of up to 5000 lumens, making it ideal for large rooms with ambient light. With a native resolution of WXGA (1280x800), the P760 supports high-definition content and ensures sharp, clear images. Its extensive connectivity options, including HDMI, VGA, and USB, make it adaptable for a range of devices, whether connecting to a laptop or a media player.

The IN74 model also features DLP technology, delivering vibrant colors and high contrast ratios. With a brightness of around 3000 lumens and a native XGA resolution (1024x768), it is perfect for standard office and classroom settings. The IN74 includes integrated speakers and a variety of input options, enabling easy installation and use without external audio solutions.

Moving on to the IN76, this projector offers enhanced capabilities with its WXGA resolution and a brightness rating of 3500 lumens. It is particularly well-suited for presentations that require detailed visuals, making it an excellent choice for corporate settings. The IN76 comes with a user-friendly interface, enabling quick setup and adjustments.

The P720 is another noteworthy model. With an impressive brightness of 4000 lumens, it operates effectively in various lighting conditions. Its features include a native resolution of XGA, multiple input options, and an eco-friendly mode that extends lamp life, making it both economical and environmentally friendly.

Lastly, the IN72 projector is designed for those who need an affordable yet effective solution. With a brightness of 2500 lumens and a native XGA resolution, it strikes a balance between cost and performance. This model is particularly suitable for small meetings or classrooms where budget constraints are a consideration.

In summary, the InFocus P760, IN74, IN76, P720, and IN72 projectors provide a range of options catering to diverse needs in business and education. Each model features specific advantages such as varying brightness levels, resolutions, and connectivity options, ensuring users can find the perfect match for their projection requirements. With reliable performance and excellent image quality, these projectors continue to be favored choices among professionals and educators alike.
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