| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for coping with especially installation of a radio master machine and a radio slave machine in a site in a system to communicate various kinds of data about housing equipment with a center side through radio or a line. SOLUTION: Judgment of quality of communication state between the radio master machine 6 and the radio slave machine 2 is enabled simply by observing the radio master machine 6 and the radio slave machine 2 and selection of installed places is easily coped with one person by providing the radio master machine 6 with a master machine receiving level judging means 7 to judge a receiving level from the radio slave machine 2. |
