Optimum KR-K55RCL-10dkh Instruction Manual page 53

Rack Support
You can adjust the Tray at 4
different positions according to
the dishes you want to cook.
For instance,
macaroni gratin and you want to
have the top part cooked the
most, use the top or the second
rack support.
chicken, use the bottom rack
support.
Convection Function
when making
For roasting a
Featured with a special convection function,
strong and absolute cycling airflow by making
the heating more complete. Original flavor
can be kept.
4