Lock/unlock the touch area
(THE OVEN TOUCH AREA IS ALSO LOCKED)
At any time during cooking, the touch area, with the exception of the On/Off area, is locked to prevent a change of the settings, for example when drying the hob.
1. Press for about 1 second. 
The display shows 
during locking and later shows the setting again.
this is shown again if attempts are made to change set values when the cooking zone area is locked.
2.To remove the function lock again,
press “Function lock” 
again for about one second.
the symbol goes out and the earlier heating setting is shown again.
If the hob is switched off, the function lock is automatically disengaged.
~ 1 sec.
~ 1 sec.
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