Cata GHI 6104 BK /A Instrucciones Para La Instalación, El Uso, El Mantenimiento página 47

Use the containers with the bottoms being thick and suitable for
the plate size. Never use smaller sole containers.
Pay attention that no liquid and wet containers will be placed on
the plate.
Avoid any contact of any vinegar, salt, lemon juice etc. with the
plate.
Do not use any spatula and similar sharp objects in cleaning of
joints between the glass and metal surfaces or aluminum parts on
the hob.
Usage
Electrical plate is managed with a switch with which you may
select proper power for the food you will cook.
Turning on the Plate:
Bring the control switch to the proper position by turning it to right
or wrong by the cooking type, food quantity and using below
scheme. The red warning light will be on when the switch is set to
any value other than off position.
To close the plate:
Bring the control switch to 0 position. The warning light will go off.
1
2
3
Power control switch
Low
Medium
High
Heating
Quick heating and cooking
Frying