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In the running state, set the time to turn off the machine; in the standby state, set the time
to turn on the machine.
The fan speed can only be adjusted in the automatic mode. Press this key to switch the high
and low fan speed. The corresponding wind speed indicator lights up.
Long press this key to open the child lock function. The child lock indicator light is on. All the
keys are locked and cannot be operated. Press this button again, the indicator light will go
out, and the button will be restored.
Open the child lock function, as long as the shutdown or power off will automatically cancel
the child lock function.