NEC P452H User Manual page 133

7. Reattach the lamp cover.
(1)Slide the lamp cover back until it snaps into place.
(2) Tighten the screw to secure the lamp cover.
• Be sure to tighten the screw.
This completes the lamp and Filter (B) replacement.
Go on to the Filter (A) replacement.
NOTE: When you continue to use the projector for another 100 hours after the lamp has reached the end of its life, the projector
cannot turn on and the menu is not displayed.
If this happens, press the HELP button on the remote control for 10 seconds to reset the lamp clock back to zero.
When the lamp time clock is reset to zero, the LAMP indicator goes out.
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8. Maintenance
a
b