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V e r s i o n A u g 2 0 2 0
Operation Continued
Child Lock Function
1.
Push “child lock” key to enter the child lock function.
A long press for 3 seconds can unlock.
2.
Long press “child lock” key for 3 seconds to check
out the cumulative working time of filters. The
working time will indicate on PM 2.5 digital area, the
filter indicator light will be on, and will show four-
digital running display.
Sterilization Function
Push “disinfection” key. This will turn the UV lamp on or
off and will turn the UV sterilization function on or off.
Filter Replacement
Filter Replacement Reminder
The cumulative working time of filter is expected to reach 2000 hours. The filter
replacement indicator is bright.
Long press “child lock” key for 3 seconds to check out the cumulative working time
of the filters. You can also clear the time for the new filter.
Replacing Filter Steps
The filter indicator light will turn off after the filter is replaced.
