number of red squares value to be set water hardness1 very soft water2 soft water3 hard water4 very hard water4 Press the MENU button, select menu and scroll to select water hardness.Select the preferred water hardness setting and press the OK button toconfirm.Control panel and displayThis espresso machine has a self-explaining display for easy use. Read thesections below for a quick explanation of the buttons.One-touch beverage buttonsUse the one-touch beverage buttons (ESPRESSO, ESPRESSO LUNGO,CAFFÉ CREMA, MILK FROTH and HOT WATER) to quickly prepare one ofthe preset beverages.- Note: If you want to stop the brewing process before the machine hasfinished dispensing the preset coffee volume, press the OK button or thepreviously selected beverage button.- You can adjust the volume of espresso or espresso lungo (see 'Adjustingcoffee and milk volume').Navigation buttonsUse the buttons described below to navigate through the menu:Escape button: press this buttonto return to the main menu.Up button: press this button toscroll up through the displaymenu.Ok button: press this button toselect, confirm or stop a function.Down button: press this button toscroll down through the displaymenu.MENU/SPECIAL DRINKS buttonUse the MENU/SPECIAL DRINKS button to prepare other drinks, like ristrettoand espresso double. You can also use the MENU button to change thefollowing settings:- Language: you can use the MENU button to set your preferred language.- Display contrast- Coffee temperature10 English