| 摘要 |
PROBLEM TO BE SOLVED: To optionally connect each call button to a call notification device without paying attention to which wire is connected to which call button in wiring connection construction of the call notification device and respective call buttons. SOLUTION: This system is equipped with call buttons B1 and B2 installed in a 1st rest room and a bathroom, and the call notification device comprising of a notification sound output device 11, a display device 12, a memory 13, a registration button 14, and a microcomputer 10. The microcomputer 10 has a registering function for registering the correspondence relation between the 1st rest room and call button B1 and the correspondence relation between the bathroom and call button B2 in the memory 13 after signal lines L1 and L2 are connected to terminals T1 and T2 of the call notification device 1.
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