Exactly as described, the full user-manual (145 pages). Perfect.
Text excerpt from page 12 (click to view)
Locking/unlocking the control panel
The control panel, with the exception of the �On/Off� sensor field, can be locked at any time in order to prevent the settings being changed e.g. by wiping over the panel with a cloth. Control panel Switch on Switch off Touch Touch Display
l (for 5 seconds)
previously set heat setting
3
When you switch the appliance off, the locking function is automatically switched off.