Philips HU4804 User manual - Page 10

4 Using the humidifier Humidity indication The humidifier is equipped with a built-in smart humidity control sensor. You can set the target humidity level at 40%RH, 50%RH and 60%RH. When the desired humidity level is reached, the color of the humidity indicator light is blue. When the humidity level is not reached, the humidity indicator light is red. Note • A comfortable humidity level is from 40RH% to 60RH%. • The accuracy of the humidity indication is approximately ±10%. • It takes some time to measure the humidity level in the room. • The humidity indicator light automatically goes on when the humidifier is switched on. Note • In sleep mode, the red indicator does not blink, it turns on when the water level is low. Turning the humidifier on and off 1 Put the plug of the humidifier into the wall outlet. 2 Press the power button to turn on the humidifier (fig. j). »» The humidity indicator light is on. 3 Press the power button to turn off the humidifier. Note • The humidifier releases very fine invisible mist, so it is normal that you cannot see the mist. • If the water level in the reservoir is getting very low, the humidifier stops humidifying. The red indicator light first starts blinking and then remains on. Automatic shut-off The automatic shut-off gives you a timely warning when the reservoir needs refilling. When the water in the reservoir starts getting low, a red indicator on the control panel starts blinking to tell you that it is time to refill the reservoir (fig. i). It blinks for 30 minutes. After that, the indicator remains on before the reservoir is refilled with water. When the reservoir is empty and needs to be refilled, the humidifier automatically shuts off and a red indicator light turns on. When you refill the reservoir, the humidifier automatically turns on again. Changing the fan speed Manual You can manually select the desired fan speed. 1 Press the speed button one or more times to select the desired fan speed ( (low), or (normal)) (fig. k). »» The selected fan speed light goes on. 8 EN