English 21OperationsSwitching the appliance offTouch the ON/OFF key for the currentlyoperating element, or set the power level to0 to turn the element off.To completely switch off the appliance,touch the POWER key for 1 second.NOTEAfter you switch off a single cooking zoneor the entire cooking surface, the presenceof residual heat will be indicated in thedigital displays of the correspondingcooking zones by an (for “hot”).Using the child lockYou can use the child lock to safeguard against a child unintentionally turning ona cooking zone and activating the cooking surface. Also, the control panel, withthe exception of the POWER key, can be locked to prevent the settings from beingchanged unintentionally, for example, by wiping over the panel with a cloth.Switching the child safety lock On/Off1. Touch the Child lock key forapproximately 3 seconds.An acoustic signal will sound asconfirmation.2. Touch any control key.will appear in the displays,indicating the child lock has beenactivated.3. To switch the child lock off, touch theChild lock key again for 3 seconds.An acoustic signal will sound asconfirmation.NOTE• If you activate the child lock while the cooktop is operating, touch the POWERbutton to turn the cooktop off for safety reasons.• If the child lock is enabled when the cooktop is not operating, all buttons willbe disabled including the POWER button.