InFocus LP850, LP860, LP840 Cleaning the dust filter, Using the security lock, Troubleshooting

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LP840-850-860 User's Guide-02.fm Page 42 Friday, February 25, 2005 12:58 PM

Cleaning the dust filter

1Turn off the projector and unplug the power cable.

2 Wait 60 minutes to allow the projector to cool thoroughly.

WARNING: To avoid burns, allow the projector to cool for at least 60 minutes before you clean or replace the dust filter.

3Remove the dust filter grill door on the side of the projector by pulling down on the two tabs at the grill’s top.

4Press the tab on the center of the dust filter and lift it off.

5Clean the filter using a vacuum set on low power.

6Replace the dust filter and the dust filter grill door.

7Reset the filter hour timer.

Troubleshooting

If the Temp and Lamp LEDs indicate a problem with the filter, check the fol- lowing:

Use a soft cloth to wipe the mirrors on the dust filter grill.

Remove the dust filter and use a soft cloth to wipe the window behind the dust filter.

Replace the dust filter and the dust filter grill.

Using the security lock

The projector has a security lock for use with a cable lock system. See the Accessories catalog that came with the projector, or visit our website, for ordering information. Refer to the information that came with the lock for instructions on how to use it.

42

turn off and unplug the projector

wait 60 minutes

remove dust filter

remove dust filter grill

security lock

Image 44 InFocus LP850, LP860, LP840 manual Cleaning the dust filter, Using the security lock, Troubleshooting
Contents USER’S Guide Page ÅÉë=áåëíêìÅíáçåëK= Trademarks Table of Contents Important Operating Considerations for Safety Introduction Connector Panel Positioning the projector Optional computer connections Connecting a computerRequired computer connections Visit our website for information on ProjectorNet Displaying a computer image First-time projector use with Windows Wizard launches two times For Windows 2000, Windows ME, and Windows XPAdjusting the image Optional video connections Connecting a video deviceStandard video connections Connect BNC cables Displaying a video image Lens shift button on the keypad Troubleshooting your setup Power SaveShutting down the projector Screen SaveSource Troubleshooting Problem Solution Computer image projectedRange Out Image clear and not cropped Page Color Lamp may need to be replaced Lamp turns on Lamp won’t turn on, Temp LED solid redLamp won’t turn on, Lamp LED blinking red Still having problems? Using the keypad buttons Using the remote control Troubleshooting the remoteConnecting external speakers Using the audioTroubleshooting audio Presentation features Optimizing computer imagesOptimizing video images Customizing the projectorUsing the menus Picture menu Save Settings Presets Advanced settings Settings menu Screen Save PiP Enable PiP Position Effect Key Network Changing the lens MaintenanceCleaning the lens Replacing the projection lamp Resetting the lamp timer Troubleshooting Cleaning the dust filterUsing the security lock Width Image Feet/m AppendixProjected image size LED Behavior LED color/behavior MeaningRS-232 commands Communication ConfigurationCommand Format Setting ValueError Conditions LimitationsINT at RW Disable Enable IR Receiver front IRF at RW = Japanese = Korean = Portuguese = Russian = Norwegian NND Page Ntsc Index NumericsPage XGA Limited Warranty Warranty Limitation and ExclusionDisclaimer of Unstated Warranties If YOU Need Assistance USER’S Guide
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