Belling 90Ei Mode D'emploi page 181

switching off an individual hob cook zone
1
2
Select a cook zone
Press the minus button until it reaches "0"
The selected cook zone will be switched off when the display shows "0".
Activating Power Boost
1
Choose required cook zone
2
Press the minus key and power level 9 will appear
3
Press the plus key until "P" appears