According to one execution example, the controller for the monitoring system has had, the output port which is connected to synchronous logical block and are connected to the camera port information gathering logical block and the information gathering logical block which are connected to the port and the port in order to connect the camera and. According to another execution example, the method of adjusting the monitoring system, the step which the plural cameras same period is done, the step which acquires the picture from the camera which same period is done and, with the step which processes the synchronous picture which the step which gathers the synchronous picture where 2 is processed at least and was gathered it has possessed. Selective figure Figure 1
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