Panasonic HL-PF685S Operating & Installation Instructions Manual page 19

Using the Appliance
Preheat
During manual mode it is possible to preheat the oven before cooking.
This option can be found in the information panel menu at the top of the display.
After the temperature is selected, touch the Stop/Start key and the message 'The
preheat phase is starting' will be displayed and preheating will begin.
The symbol will appear in the information panel during preheating.
When the set temperature is reached, preheating is completed and an acoustic signal
will be sounded. The acoustic signal can be stopped by pressing any key or after
two minutes, it will stop automatically. The following message will be displayed, 'The
preheat phase is complete, Please insert the dish'.
When the food is inserted and the door is closed, the cooking process will continue.
NOTE
When the preheat function is set, delayed start function cannot be used.
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