LG PS-K450 Series Owner's Manual page 21

Additional Function
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AIR PURIFIER
Owner's Manual
Negative ion/ sterilization function
Under the negative ion mode, provide fresh air as in forest through generate
negative ion to indoor air. Under sterilization mode, the NPI sterilization negative
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ion will remove bacteria from indoor air.
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Press On/Off button
Press the function button to choose expected function.
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• Press button each time, switch according to 'negative ion - negative ion+sterilization -
function abort - negative ion' sequence.
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2
negative ion
function abort
negative ion+sterilization negative ion
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