Anonymous posted an answer for this NEC Replacment Lamp Projector Lamp for VT470&VT670 - 3000Hrs Eco/2000Hrs Std 180W [ VT75LP:
"Go to MENU and clear Lamp Hours meter."
Anonymous posted an answer for this NEC Replacment Lamp Projector Lamp for VT470&VT670 - 3000Hrs Eco/2000Hrs Std 180W [ VT75LP:
"Try pressing the HELP button. Don't release and press the power button. The LED lights..."