It/210 Checkpoint 1 Week 8

|Top Level Objects |Communicates Within |Incoming Messages |Outgoing Messages |

|The microwave |Pressing baked potato button |Pressing clear button or stops |The microwave beeps when the |

|The control panel |starts microwave for 6 minutes. |the microwave operation |timer has reached the end of its|

|The display | | |cycle |

|The turntable |Opening the door stops the |Pressing start button, user | |

|Light |operation |wants to start the microwave |After pressing defrost button: |

| | | |“Press defrost button 1-6 times |

| |Microwave door has to be closed |Press popcorn button 1 time to |per displayed pound” |

| |for the microwave to start |microwave 1 bag of popcorn. | |

| | |Press popcorn 2 times to |After pressing popcorn button: |

| |When door opens the microwave |microwave two bags |“Press popcorn button 1-3 times |

| |light turns on | |per popcorn serving” |

| | |Turn fan on manually by pressing| |

| |When the microwave starts the |fan button | |

| |turn tray turns on | |...