12 English2 Select the water hardness level. The number of red squares selected on the display should be the same asthe number of red squares on the test strip (Fig. 12).3 When you have set the correct water hardness, tap the confirmation icon to confirm.Adjusting the grind settingYou can change the coffee strength with the grind setting knob inside the bean container. The lower thegrind setting, the finer the coffee beans are ground and the stronger the coffee becomes. There are 12different grind settings you can choose from.The machine has been set up to get the best taste out of your coffee beans. Therefore we advise you not toadjust the grind setting until you have brewed 100-150 cups (approx. 1 month of use).You need to brew 2 to 3 drinks before you can taste the full difference.Do not turn the grind setting knob more than one notch at a time to prevent damage to the grinder.1 Tap the Settings icon in the main menu.2 Tap on ¨Grinder¨.3 Watch the how to video.Restoring factory settingsThe machine offers you the possibility to restore the factory settings at any moment.1 Tap the Settings icon.2 Scroll from left to right to select 'Factory settings'. Confirm by tapping the confirmation icon.- The settings are now restored.The following factory settings are restored to default: water hardness, standby time, display brightness,sound, front illumination, profiles, measure/units, home screen settings, Wi-Fi credentials, software updatepreferences, Saeco credentials, Amazon credentials.AquaClean water filterYour machine is AquaClean enabled. You can place the AquaClean water filter in the water tank to preservethe taste of your coffee. It also diminishes the need for descaling by reducing limescale build-up in yourmachine. You can purchase an AquaClean water filter from your local or online retailer or from authorizedservice centers.AquaClean filter status indicationThe status of the AquaClean filter is always visible in the 'Status' menu as a percentage.- If the status of the AquaClean filter is 10% or less, the screen shows a message for 2 seconds each timeyou switch on the machine. This message advises you to buy a new filter.- If the status of the filter is 0%, the machine asks you to replace the AquaClean filter every time youswitch on the machine.Activating the AquaClean water filter (5 min.)The machine does not automatically detect that a filter has been placed in the water tank. Therefore youneed to activate each new AquaClean water filter that you install in the 'Status' menu.When the machine stops showing the filter activation message, you can still activate an AquaClean waterfilter, but you will need to descale the machine first.Your machine has to be completely limescale-free before you start using the AquaClean water filter.