74 How to use the hob burnersHob burnersEach hob burner is controlled by aseparate gas tap operated by a controlknob (fig. 4.1) which has 3 positionsmarked on the knob itself, these are:– Symbol : tap closed (burner off)– Symbol : High (maximum)– Symbol : Low (minimum)Push in and turn the knob anti-clockwiseto the selected position.Lighting of the hob burnersTo ignite the burner, the following instructions are to be followed:1) Lightly press and turn the knob anti-clockwise, and position the knob symbolto the indicator printed on the control panel (fig. 4.1).2) Press the knob to operate the electric ignition; or, in the case of a mains failure light theburner with a match or lighted taper.3) Adjust the burner according to the setting required.Low HighTo turn the burner off, fully rotate the knob clockwise to the off position: .The maximum setting of the control tap is for boiling, the minimum setting is for slowcooking and simmering.All working positions must be choosen between the maximum and minimum setting, neverbetween the maximum setting and the “OFF” position.Fig. 4.1Electric ignitionThe sparks generated by the electrodes close to the burners will ignite the choosenburner. Whenever the lighting of the burners is difficult due to peculiar conditions ofthe gas features or supply, it is advised to repeat the ignition with the knob on“minimum” position.