[. . . ] Radiant cooking zone Ø 145 Radiant dual cooking zone Ø 210 Radiant cooking zone Ø 145 Radiant dual oval cooking zone Display 4 Be careful: To avoid permanently damaging the glass-ceramic top, do not use: - Pots with bottoms that are not perfectly flat. [. . . ] IMPORTANT: the control is deactivated 10 seconds after the heat setting has been selected. To change the heat setting, first press the selection button “B” again, then proceed to change the setting, using buttons “E” or “C”. MULTIPLE ZONE: After selecting the desired zone and setting the level (as described in the previous section) press “F”: an indicator above the button turns on, activating the additional zone. The multiple zone can only be used if: 1) The cooking zone is provided with multiple zone; 2) The power level selected is greater than 0. To deactivate the multiple zone, press button “B” of the desired zone, then press “F” again. To set the Timer function, select the desired cooking zone and power setting then press the cooking zone key again and a luminous dot will appear on the display of the timer-controlled cooking zone. Press buttons “C” or “E” to set the time from 1 to 99. IMPORTANT: after 10 seconds the timer displays will show the power setting of the other cooking zones. [. . . ] Prolonged use of the same heat setting triggers automatic switch-off of the cooking zone (for example, after around 1 hour at maximum heat setting, the cooking zone switches off). [. . . ]