| 摘要 |
PROBLEM TO BE SOLVED: To enable setting work and confirmation of switching of sensitivity minutely and by a simple operation in a disaster prevention system. SOLUTION: In the disaster prevention system 1 in which a disaster prevention receiver 10 having a display part 30 is provided and to execute prescribed functions by the operation on a screen 31 of the display part 30, a sensitivity switching schedule and a sensitivity switching setting picture to switch the sensitivity of a sensor by the prescribed operation are displayed on the screen 31. Setting states of the sensitivity are displayed by a horizontal bar chart by every day of the week, the setting state of the sensitivity of 24 hours of one day of the week is displayed by the horizontal bar chart, the chart itself is a switching button by every hour and normal sensitivity and special sensitivity are switched by touching it.
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