NEC NP-P401W - Page 170

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7. Maintenance
7. Putthelterunitbacktotheprojectorcabinet.
 Makesurethatthelterunitisplacedinthecorrectorienta-
tion.
8. Puttheltercoverbacktotheprojectorcabinet.
 Insert twocatches ofthetop sideof theltercoverintothe
groove of the cabinet, and push the buttons on the left and right
to close the filter cover.
• Pushtheltercoveruntilitclicksintoplace.
9. Clearthelterusagehours.
Plug the power cord into the wall outlet, and then turn on the
projector.
From the menu, select [RESET] →[CLEARFILTERHOURS].
(→ page 117)
The interval time to clean the filters is set to [OFF] at time of
shipment. When using the projector as it is, you do not clear
the filter usage