Ask Proxima C440/C450 manual Lamp module is on the right

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6To remove a lens, push the lever inside the lens housing and turn the lens counterclockwise until it stops. Remove the lens.

7To install a new lens, place it in the opening through the front of the pro- jector, aligning the red dot (near the base of the lens) with the red dot on the projector. Turn clockwise until you feel the lens click into place.

8Tighten the captive screw to the lens housing door. Place the front bezel back onto the projector and replace the two screws on the bottom of the projector. Replace the cover that protects the lens and the lamp housing on top of the projector.

lever inside lens housing

Replacing the projection lamp

The lamp hour timer in the About menu counts the number of hours the lamp has been in use. Twenty hours before the specified end of the lamp’s life, the message “Replace lamp” briefly appears on the projected screen. After twenty additional hours, the lamp will no longer light. You can order new lamp modules from your dealer. See the Accessories catalog that came with the projector or visit our website for information.

1Turn off the projector and unplug the power cable.

About menu

turn off and unplug the projector

wait 60 minutes

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

3Gently place a flathead screwdriver into the slot on the top of the projec-

tor (it is by the right speaker) and slide the small lever toward the right

 

speaker. The cover that protects the lamp housing and the lens pops up.

cover

The lamp module is on the right.

 

slide lever in slot to pop open cover

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Contents User’s Guide Page $GREH$FUREDWSGI Trademarks Table of Contents Important Operating ConsiderationsPage Introduction AccessoriesProjector components and features back Online RegistrationConnector Panel Positioning the projector Connecting a computer Required computer connectionsOptional 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 Connecting a video device Standard video connectionsOptional video connections Connect BNC cables Displaying a video image You can also adjust the zoom and focus via the menus. See Shutting down the projector Troubleshooting your setupPower Save Screen SaveSolution Computer image projectedRange Out Image clear and not cropped Page Color Lamp won’t turn on, Temp LED solid red Lamp won’t turn on, Lamp LED blinking redLamp must be replaced Lamp turns on Still having problems? Using the keypad buttons Using the remote control Troubleshooting the remoteUsing the audio Troubleshooting audioConnecting external speakers Presentation features Optimizing computer imagesOptimizing video images Customizing the projectorUsing the menus Picture menu Presets Advanced settings Settings menu Save Screen PiP Enable PiP Position Effect Key Network Maintenance Cleaning the lensChanging the lens Lamp module is on the right Resetting the lamp timer Cleaning the dust filter Using the security lockTroubleshooting Appendix Projected image sizeDistance Image Width 2.3 25/7.6 LED Behavior LED color/behavior MeaningCommand Format RS-232 commandsCommunication Configuration Setting ValueError Conditions Limitations= Japanese = Korean = Portuguese = Russian = Norwegian NND Ntsc Function Com Min Max Step Mand Fault Numerics Page XGA Limited Warranty Warranty Limitation and ExclusionLimited Warranty Period To Be Eligible For Limited Warranty CoverageTo Obtain Warranty Service If YOU Need Assistance