User ManualTable of ContentsSafety Instructions3Introduction3How the Air Purifier Works4Air Purifier Components4Display and Control Keys5Initial Operation6Filter Life Counters8Locking/Unlocking the Keypad8Resetting the Air Purifier9Using the Ionizer9Controlling the Backlight9Cleaning Your Air Purifier10Changing the Pre-Filter10Changing the HEPAtech® Filter11Obtaining Replacement Filters14Problem and Solutions13Technical Support13Warranty Information15Size: 1.33 MBPages: 16Language: EnglishOpen manual