Philips HU 4903 [12/72] Set the humidity level

12 EN

Note

• If you set the humidity level to no preset level,

the humidity indicator is off but the humidier still

humidies the air.

Water level

When there is not enough water in the water

tank,

• the oat sinks.

• the red indicator light starts blinking.

• the humidier continues to work for one

more hour.

You have to rell the water into the water tank.

Note

• The humidier stops humidifying if you do not rell the

water after more than one hour. The red indicator

light is on.

• It is normal to nd some water left in the tank.

2 Press the TIMER button repeatedly to

choose the number of hours you want the

humidier to operate. The corresponding

TIMER light goes on.

To deactivate the timer function, press the

TIMER button repeatedly until the TIMER light

(1H, 4H or 8H) is out.

Set the humidity level

Note

• Make sure that the water tank is lled with water

before the humidier can function (see the chapter

‘Getting started’, section ‘Prepare for humidication’).

• Press the HUMI button once or more

times to set the desired air humidity to 40,

50, 60 percent or no preset level.

» The humidity light (40, 50 or 60) of

the set humidity level ashes, then

it changes and stays at the current

humidity level.

» The humidity sensor light is in red

if the desired humidity level is not

reached. It turns blue when the desired

humidity level is reached.

Tip

• A comfortable humidity level is between 40% and 60%.