Philips AC4072 user manual Fan speed light Sensitivity level, Auto mode

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adjust the sensitivity of the air quality sensor. When it is set to a higher sensitivity level, the appliance already starts cleaning the air at lower pollution levels to make the air even cleaner.

There are 3 sensitivity levels:

-standard

-sensitive

-extra sensitive

The pollution sensor is set to standard sensitivity.You can adjust the sensitivity of the air quality sensor in the following way:

1	If the appliance is already plugged in, unplug the appliance and wait
	for a few minutes.
2	Press the AIR QUALITY button and simultaneously put the mains
	plug in the wall socket.
	The appliance beeps twice and one of the fan speed lights flashes to
	show the current sensitivity level of the air quality sensor.
sensitivity level:
Fan speed light	Sensitivity level
1	extra sensitive
2	sensitive
3	standard
3	Press the FAN SPEED button to adjust the sensitivity level of the air
	quality sensor.
	One of the fan speed lights flashes to show the set sensitivity level of
	the air quality sensor.
4	Press the on/off button to switch off the appliance.

Note:When you change the sensitivity level, the appliance automatically starts operating at the set sensitivity level whenever you switch on the appliance.

Auto mode

When the appliance is switched on, the built-in air quality sensor automatically measures the ambient air quality. When the auto mode is activated, the appliance selects the most appropriate fan speed for the measured air quality.

1 Press the on/off button to switch on the appliance.