BOXLIGHT CD-555m, CD-454m, CD-455m manual Problem Lamp shuts off

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M a i n t e n a n c e	&	T r o u b l e s h o o t i n g

Problem: Lamp shuts off

•A minor power surge may cause the lamp to shut off. Unplug the projector, wait at least a minute, then plug it back in.

•Make sure the vents are not blocked.

•Make sure the lamp has not been in use for over 2,050 hours. The lamp automatically shuts off at 2,050 hours. See “Replac- ing the Projection Lamp” on page 33.

Before calling BOXLIGHT for assistance, please have the following information available:

•the projector’s serial number (located on the bottom label)

•the resolution of your computer.

Call BOXLIGHT at 1-800-762-5757 or 360-779-7901.

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Contents Page Safety Certifications Declaration of Conformity Page Table of Contents Appendix IndexSafety Instructions If you need assistance, call Boxlight at 1-800-762-5757or Image Resolution IntroductionCompatibility Unpacking the ProjectorAnything is missing Shipping box contents Usage Guidelines Warranty If You Need AssistanceT r o d u c t i o n Setting UP the Projector T , 0 5 mT t i n g O j e c t o r Connecting a Computer Do you want to play your computer’s audio on the projector? Connecting a Video Player Audio Adapter Composite video cable Audio cableAudio Powering up the Projector and Adjusting the Image Turning Off the Projector Using the Projector Basic Image AdjustmentUsing the Remote Control I n g O j e c t o r Adjusting the Projector Using the Keypad and Remote Buttons Standby Using the On-Screen Menus Display Menu Color Volume Treble Bass Audio MenuImage Menu Manual Tracking, Horiz. Posi Horizontal position Controls Menu Auto source select Off Plug and Play Display messagesRear Projection Language Menu Deutsch Espanol StatusStatus Menu Time period that one video frame is displayed I n g O j e c t o r Maintenance & Troubleshooting Cleaning the LensReplacing the Projection Lamp I n t e n a n c e Troubleshooting Removing the lamp module Replacing the Batteries in the Remote Control Using the Security Lock Troubleshooting Problem The projector is not running Problem Only the start-up screen displaysProblem Color or text not being projected Problem The screen resolution is not rightProblem Image isn’t centered on the screen Problem Image is too wide or narrow for screenProblem Image and menus are reversed left to right Problem no soundProblem Image is noisy or streaked Problem Lamp seems to be getting dimmerProblem Lamp shuts off Specifications AppendixAccessories Standard Accessories ship with the projectorOptional Accessories Portable and Laptop Activation Chart Key command to Computer Activate port De-activate portFN-F6 FN-F4 FN-F8 NCR Zeos Ctrl-Shift-D Using Video Mirroring with a PowerBook Computer Projected Image Size Distance to Diagonal Width Height Screen ft/m Ft/mIndex D e Page D e Limited Warranty Limitation of Liability