en Basic operation12Notes¡ If you are using mineral water, set the water hard-ness range to "very hard". If you are using mineralwater, you must only use non-carbonated mineralwater.¡ If your tap water is very hard, we recommend thatyou use softened water. If you are using onlysoftened water, set the "softened" water hardnessrange.Setting Water hardness inmmol/lGerman hardness °dH French hardness °fH0 (softened)1 - - -1 (soft) Up to 1.5 Up to 8.4 Up to 152 (medium) 1.5-2.5 8.4-14 15-253 (hard) 2.5-3.8 14-21.3 25-384 (very hard)2 Over 3.8 Over 21.3 Over 381 Only set this if you will be using solely softened water.2 Also set for mineral water. Only use non-carbonated mineral water.7.2 Performing initial start-upAfter connecting the appliance to the power supply,you must configure the settings for its initial start-up. Itmay take a few minutes for the settings to appear onthe display.1. Press to switch the appliance on.a The first setting appears.2. To change the setting as required, press a value inthe list or change the value using the setting ring.Possible settings:– Language– Home Connect → "Home Connect ", Page 25– Time→ "Setting the time", Page 24– Water hardness→ "Determining the water hardness beforeswitching on the appliance for the first time",Page 113. Press and switch to the next setting.4. Work through the settings and make changes as re-quired.a After the last setting, a message appears on the dis-play confirming that the initial start-up is complete.5. To check the appliance before heating for the firsttime, open and close the appliance door once.7.3 Cleaning the appliance before using itfor the first timeBefore using the appliance to cook food for the firsttime, you must clean the cooking compartment and ac-cessories.1. Remove the product information and the accessor-ies from the cooking compartment. Remove anyleftover packaging, such as polystyrene pellets, andany adhesive tape that is in or on the appliance.2. Wipe the smooth surfaces in the cooking compart-ment with a soft, damp cloth.3. Press to switch the appliance on.4. Fill the water tank.→ "Filling the water tank", Page 165. Apply the following settings:Type of heating 4D hot airTemperature MaximumAdded steam 3Cooking time 1 hour→ "Basic operation", Page 126. Start the operation.‒ Ventilate the kitchen while the appliance is heat-ing.a When the time has elapsed, a signal sounds. Amessage appears on the display confirming that theoperation has finished.7. Press to switch the appliance off.8. Once the appliance has cooled down, clean thesmooth surfaces in the cooking compartment with adetergent solution and a dish cloth.9. Clean the accessories thoroughly using a detergentsolution and a dish cloth or soft brush.10. Empty the water tank and dry the cooking compart-ment.→ "After using steam operation", Page 188 Basic operation8.1 Switching on the appliance▶ Press to switch the appliance on.a The display shows the menu.8.2 Switching off the applianceSwitch your appliance off when you are not using it.The appliance will switch itself off automatically if it isnot used for a certain period of time.▶ Press to switch the appliance off.