MAINTENANCE & TROUBLESHOOTING
This section describes how to:
•clean the lens
•replace the projection lamp
•replace the batteries in the remote
•use the Kensington lock feature
•troubleshoot the projector
Cleaning the Lens
Follow these steps to clean the projection lens:
1Apply a
•Avoid using an excessive amount of cleaner.
•Abrasive cleaners, solvents or other harsh chemicals might scratch the lens.
2Lightly wipe the cleaning cloth over the lens in a circular motion.
3If you don’t intend to use the projector immediately, replace the lens cap.
Replacing the Projection Lamp
The lamp hour counter in the Status menu counts the number of hours the lamp has been in use. Replace the lamp when the brightness is no longer acceptable. You can order new lamp mod- ules from your InFocus dealer. See “Accessories” on page 36 for information.
Follow these steps to replace the projection lamp:
1Turn off the projector by unplugging the power cord.
2Wait 30 minutes to allow the projector to cool thoroughly.
3Invert the projector on a flat surface, then insert a small screw- driver or other flat object into the tab on the lamp module door (Figure 19).
WARNING: To avoid burns, allow the projector to cool for at least 30 minutes before you open the lamp module door. Never extract the lamp module while the lamp is operating.
27
