Cata GHI 6104 BK/A Instructions Pour L'installation, L'utilisation, L'entretien page 44

FIRING OF BURNER
If your hob does not have built in lighter or during black out place
the naked flame over the burner and push the switch to bring it to
the desired position with counter-clockwise movement. Gas
adjustment should be between maximum and minimum
levels, it should not be realized between maximum and off
positions. To close the burner turn the switch clockwise till to
reach "off" position.
MODELS EQUIPPED WITH LIGHTER SWITCH (Automatic
ignition)
In order to burn one of the burners, press the switch down and
bring the switch to maximum position. When it burns, flame is
adjusted to the desired intensity with the switch.
RIGHT WRONG
Figure 1.