Remove any protective films or stickers from the oven before use. 
  Before using the oven for the first time: 
-  Heat the empty oven by following the steps below: 
1.  Insert the baking tray and wire rack. 
2.  Set the heater selector knob to “UPPER & LOWER”, set the temperature control knob to  
250°C and heat the empty oven for about 10 minutes. 
  There may be some smoke and burning smell during this process, but this is not a malfunction. 
 
Useful Tips 
 
  Temperature control knob: Set the Temperature Control knob according  
  to your cooking needs. 
  Heater selector knob: Select “Upper” “Lower" or "Upper and Lower" according  
  to the dishes you are going to cook. You may observe whether the heaters are  
  working, by observing the Indicator light.  
  Set the arrow on the timer knob to the number which indicates 
  the cooking time (minutes) according to the dishes you are going  
  to cook.  
  Set the timer knob by turning it clockwise and the oven will turn off  
  automatically at the end of the selected time with a chime. 
  When setting the timer to less than 5 min, turn it to more than 6 min.  
  and then back to the required time.                                                                    Timer Knob 
  The oven can be turned off manually during cooking by turning  
   the timer knob counter –clockwise to the “OFF” position. 
  If the inside of the oven is dirty, cooking may take slightly longer than usual. 
 
Tips on baking common food