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Lock function
You can lock the buttons to prevent the button from being
pressed unwillingly, or by children.
f Press the [
f
] button for over 3 seconds, you can hear
`Ding` and the buttons will be locked.
f When buttons are locked, all the buttons will not work.
f
Cancel
f Press the [
f
] button for over 3 seconds. You will hear
`Ding` and the button will be unlocked.
Filter reset function
This function let users know when to change the fi lter.
f The remaining service life for the 2-in-1 fi lter is displayed at
f
four stages.
- The [
] indicator displays the remaining service life for
the fi lter.
f During operation of the air purifi er, change with a new all-
f
in-on fi lter if the [
after change, long press the [
3 seconds to reset, during which the [
twice and the "Change" indicator is off while emitting the
"Ringing" sound. The [
sign disappears.
f In case of changing the fi lter due to other reasons even if
f
the [
] indicator is not on, long press the [
more than 3 seconds to reset.
f After the fi lter reset, press the [
f
reset the Virus Doctor function.
CAUTION
f In case of reset without changing or installing the fi lter, the
f
remaining service life of fi lter can't be displayed normally.
] indicator is on and emits a beep;
] button for more than
] indicator fl ashes
] indicator is on after the "Change"
] running button to
] button for
17
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