Belling 90Ei Mode D'emploi page 182

child Lock
1
Press and hold the minus key and right hand
front cook zone. A sound will be heard.
3
Press the On/Off key
The child lock feature will to be activated until you switch this feature off.
Press the right hand front cook zone.
2
"L" will appear on the display
4
When the hob is switched on the hob "L" will
appear in all the cook zone displays.