14 ENGLISHMeasuring and programming water hardnessMeasuring water hardness is very important for defining the frequency inwhich the machine has to be descaled and to install the “INTENZA+” waterfilter (for more detail on the water filter see next chapter).To measure the water hardness follow the steps below:1 Immerse the water hardness test strip (supplied with the machine) inwater for 1 second.Note:The test strip can only be used for one measurement.2 Wait for one minute.2 3 4A B CIntenza Aroma SystemMachine water hardness setting13 Check how many squares have changed the colour to red and thenconsult the table.Note:The numbers on the water hardness test strip correspond to the waterhardness adjustment settings.More precisely:1 = 1 (very soft water)2 = 2 (soft water)3 = 3 (hard water)4 = 4 (very hard water)The letters correspond to the references that are located at the base of the“INTENZA+” water filter. (see next chapter for this).YellowYellow4 Now you can program the water hardness setting.Press the “ ” button and scroll the pages by pressing the “ ” but-ton until the following icon is displayed.Note:The machine is supplied with standard water hardness setting, suitable formost of the type of water.5 Press the “ ” button to increase the value or the “ ” button todecrease the value.6 Press the “ ” button to confirm the setting.