BOXLIGHT CD-555m, CD-454m, CD-455m manual I n t e n a n c e Troubleshooting

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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

WARNING: Be extremely careful when removing the lamp module. In the unlikely event that the bulb ruptures, small glass fragments may be generated. The lamp module is designed to contain these fragments, but use caution when removing the lamp module.

CAUTION: Never operate the projector with the lamp door open or removed. This disrupts the air flow and causes the projector to overheat.

3Invert the projector on a soft flat surface, then insert a small screwdriver or other flat object into the tabs on the lamp mod- ule door (Figure 20) and gently pry the door up.

FIGURE 20

Removing the lamp door

4Pull the lamp door up and remove it.

5Loosen the two non-removable screws on the outside of the module (Figure 21).

FIGURE 21

Loosening the screws on the lamp module

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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 LockTroubleshooting Problem The projector is not running Problem Only the start-up screen displaysProblem Image isn’t centered on the screen Problem Color or text not being projectedProblem The screen resolution is not right Problem Image is too wide or narrow for screenProblem Image is noisy or streaked Problem Image and menus are reversed left to rightProblem no sound 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