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Once a simulation run is started for a Rehearsal Scenario, any Rehearsal Setup and Generate Step pages that have their scenarios selected with the same scenario will not be allowed to change any of the scenario’s settings. Deletion of the scenario will also be disallowed.
You can start the Auto Next Step timer if you wish by clicking on the Auto Next Step button 
. This will start the timer and will show the count down time on the left of the button. Once the timer reaches 0:00, the step value will be advanced to the next step and the timer restarted.
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