Fulgor Milano F4GK24 1 Série Guide D'utilisation Et D'entretien page 10

EN
Burners with two rings flame
This special burner has two separate flame rings to provide
a real full heat regulation from high power to simmering.
To set :
1. Push and turn counter clockwise the knob between HI-LO
main flame ,when the burner is turned on, the main flame
and the Simmer flame will always light and stay on.
2. Setting heat level main flame from HI-LO power.
Simmer setting
Turn counter clockwise the knob on HI-LO simmering
position, the simmer flame setting will use only the centre
flame.
Turn off the burner
Turn the knob clock wise as far as it will go to the off
position.
6