| 摘要 |
PROBLEM TO BE SOLVED: To improve convenience of crime preventive settings by setting a crime preventive sensor for the crime preventive settings in a monitoring state by using a calling part of an entrance slave unit used by a visitor for a call operation without specially providing equipment for the crime preventive settings outside a house. SOLUTION: Crime preventive sensors 2a, 2b, and 2c for crime preventive settings are set in monitoring states by using calling parts 10 of entrance slave units 1a, 1b, and 1c. Further, a crime preventive setting part 34 of a living-room master unit 3 is operated to indicate that a timer 35 is clocking a specified time by using slave unit display parts 14 of the entrance slave units. Further, only an entrance slave unit which is set to a monitoring state is informed that the monitoring state is set. COPYRIGHT: (C)2007,JPO&INPIT
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