Dukane 28A8932 Projector User Manual


 
41
MAINTENANCE & TROUBLESHOOTING
This section describes how to:
clean the lens
replace the projection lamp
replace the batteries in the remote
use the security lock feature
troubleshoot the projector
Cleaning the Lens
Follow these steps to clean the projection lens:
1
Apply a non-abrasive camera lens cleaner to a soft, dry cloth.
Avoid using an excessive amount of cleaner.
Abrasive cleaners, solvents or other harsh chemicals might
scratch the lens.
2
Lightly wipe the cleaning cloth over the lens in a circular
motion.
3
If you don’t intend to use the projector immediately, replace
the lens cap.
Replacing the Projection Lamp
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.
The lamp hour counter in the Status menu counts the number of
hours the lamp has been in use. After 1,900 hours, the message
“Change Lamp” temporarily appears on the screen when the pro-
jector is turned on. Replace the lamp when the brightness is no
longer acceptable. You can order new lamp modules from your
dealer. See “Accessorieson page 50 for information.
Follow these steps to replace the projection lamp:
1
Turn off the projector by unplugging the power cord.
2
Wait 30 minutes to allow the projector to cool thoroughly.
3
Use a screwdriver to remove the seven screws on the back of
the projector (Figure 29).
Dukane