[. . . ] Before connecting the appliance, please check if the voltage indicated on the appliance corresponds with the mains voltage in your home. Remove the mains plug from the wall socket: - if problems occur during making coffee; - before cleaning the appliance. [. . . ] The left hand side level indications correspond to large cups (125 ml). - For large cups: take one full (heaped) measuring spoonful of ground coffee ("fast filter" type) for each cup. - For type HD 7221: Less than four large (or six small) cups of coffee: set switch to position (. More than four large (or six small) cups of coffee: set switch to position ). This guarantees optimum taste for both large and small quantities of coffee. ⷠThe "drip-stop" (automatic stop-valve) ensures that no coffee will drip on to the hotplate if the jug is removed from the appliance for a moment during the brewing process or if the jug is removed after making coffee. Note: the drip-stop will only allow coffee to flow into the jug if the jug lid has been placed. If you have made one jug of coffee and wish to make some more straight away, please switch the coffee maker off (fig. With normal use (two full jugs a day) the following rule applies: hardness up to 18 °DH (22. Your water supply company can inform you about the hardness of your water. However, now use ordinary vinegar to fill the water tank and do not fill the filter with coffee. - After descaling, let the appliance work twice more with only water to rinse away the vinegar and scale remainders. [. . . ] The wire which is coloured BLUE must be connected to the terminal which is marked with a letter "N" or coloured BLACK. Note: If the terminals of the plug are unmarked or if you are in any doubt consult a qualified electrician. [. . . ]