| 摘要 |
PROBLEM TO BE SOLVED: To simply permit the enjoy of music or the like in a bathroom. SOLUTION: A hot-water supply remote controller R1 is provided with an audio jack 28 and an external audio instrument 30 such as a radio or the like can be connected to the audio jack 28 through a cable 31. An audio signal, outputted from the external audio instrument 30, is modulated into a sound carrier by the FM modulating circuit 24 of the hot-water supply remote controller R1 and is transmitted to the side of a bath remote controller R2, then, is demodulated into an audio signal by the FM demodulating circuit 25 of the bath remote controller R2 to output the same from a speaker 27. In this case, the volume of voice can be regulated by an operating switch 16.
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