Boxlight CD-455m ユーザーズマニュアル
33
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, and don’t
apply the cleaner directly to the lens.
apply the cleaner directly to the lens.
•
Abrasive cleaners, solvents or other harsh chemicals might
scratch the lens.
scratch the lens.
2
Lightly wipe the cleaning cloth over the lens in a circular
motion.
motion.
3
If you don’t intend to use the projector immediately, replace
the lens cap.
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
projector is operating.
The lamp hour counter in the Status menu counts the number of
hours the lamp has been in use. After 2,000 hours of use, the mes-
sage “Change Lamp” temporarily appears on the screen when
the projector is turned on. Change the lamp within the next 50
hours. After 2,050 hours, the LED flashes orange and the lamp
will not light. You can order new lamp modules from B
hours the lamp has been in use. After 2,000 hours of use, the mes-
sage “Change Lamp” temporarily appears on the screen when
the projector is turned on. Change the lamp within the next 50
hours. After 2,050 hours, the LED flashes orange and the lamp
will not light. You can order new lamp modules from B
OXLIGHT
.
See “Accessories” on page 42 for information.
Follow these steps to replace the projection lamp:
1
Turn off the projector and unplug the power cord.
2
Wait 30 minutes to allow the projector to cool thoroughly.