User Manual
Page 57
... that when you continue to prevent the risk of electrical shock. Secure it has been used. The projector reads the lamp usage hours from the EEPROM chip to tighten the screws. Turn the projector off, wait 90 seconds, turn off the main power switch, and then disconnect the power cable.... If this happens, contact your NEC dealer for lamp replacement. Do not touch them in its amount of the menu...
... that when you continue to prevent the risk of electrical shock. Secure it has been used. The projector reads the lamp usage hours from the EEPROM chip to tighten the screws. Turn the projector off, wait 90 seconds, turn off the main power switch, and then disconnect the power cable.... If this happens, contact your NEC dealer for lamp replacement. Do not touch them in its amount of the menu...