The Lock Selection feature allows users to lock the number of resources used in a Min/Max relationship,  in a OR relationship, or to lock a resource selection from a pool. For example, the router below shows that 5 resources were selected with a Min/Max command.  If the lock selection feature is chosen then the system will continue to schedule the same 5 resources selected. Note that to display the lock selection, the Options button the the Operations Tab must be turned on.