NEC P452H User Manual page 135

4. Fix a new Filter (A) onto the filter case.
• Set the cut off part of the Filter (A) meeting with the knob part
on the filter case.
5. Insert the Filter case to the projector cabinet.
Make sure that the filter case is inserted in the correct orientation.
This completes the filter replacement.
Go on to the clearing lamp and filter hour meters.
To clear the lamp usage hours and the filter usage hours:
1. Place the projector where you use it.
2. Plug the power cord into the wall outlet, and then turn on the projector.
3. Clear the lamp usage hours and the filter usage hours.
1. From the menu, select [RESET] → [CLEAR LAMP HOURS] and reset the lamp usage hours.
2. Select [CLEAR FILTER HOURS] and reset the filter usage hours. (→ page 68)
Cut off
124
8. Maintenance
Knob