Note:You can set the alarm input function at alarm input page. (Please go “Setting →Advance→Alarm input → Setting”). For more details, you can check Chapter 7.9. Alarm duration: There are up to 60 second options to choose for alarm duration interval. Effective period: Set the period when the periodical sending is effective.Always: The periodical sending is always effective.Schedule: You can specify the period when the periodical sending is effective in theSchedule setting in the other section.Note:You can set schedule function at schedule page. (Please go “Setting → Advance →Schedule → Setting”) For more details, you can check Chapter 7.8.84