This oven has a “Cook Time” function. You can set each oven to cook/bake for a specific period of time independently of each other.
Example:
1. In Upper Oven, Press Bake, Press Cook Time, Press + to set time, press START.
2. In Lower Oven, Press Bake, Press Cook Time, Press + to set time, press START.
Excerpt from manual: COOK TIME: Timed cooking Cook Time allows the oven to be set to turn on at a certain time of day, cook for a set length of time, and/or shut off automatically. To set a Timed Cook or a Delayed Timed Cook, see the “Cook Time” section.