Fan Speed; Timer Function - Philips AC4004 User Manual

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Note: When the appliance is operating in another mode and you want to
activate the auto mode, simply press the AUTO button.
, The AUTO light and one of the FAN SPEED lights go on. The FAN
SPEED light indicates at which fan speed the appliance is operating.
Note: When the air quality is very good and the fan speed operates at a very
low fan speed, the FAN SPEED light for the lowest speed level does not go on.
In this case only the power-on light and the AUTO light are on.
Note: The built-in air quality sensor measures the air quality and automatically
selects the appropriate speed setting to ensure the best possible air quality in
your room. When the air is clean, the appliance stops running. When the air
quality deteriorates, the appliance starts running at a low fan speed and noise
level so that the energy consumption is minimised.

Fan speed

If you do not use the auto mode, you can select the desired fan speed
yourself.
Note: When you manually select a fan speed, you can also use the timer
function (see section 'Timer function in this chapter). In this case, one of the
FAN SPEED lights, the TIMER light and one of the HOUR lights are on.
1 Press the on/off button to switch on the appliance.
2 Press the FAN SPEED button one or more times to select the
desired fan speed.
The corresponding FAN SPEED light shows the set fan speed.
,

Timer function

With the timer function, you can let the appliance operate for a
set number of hours. When the set time has elapsed, the appliance
automatically switches off.
You can use the timer function in a number of situations:
- In combination with the AUTO mode (see section 'Auto mode' in this
chapter). In this case, the AUTO light, one of the FAN SPEED lights, the
TIMER light and one of the HOUR lights are on.