To provide a hot-water washing toilet seat system which is easy to use when a hot-water washing toilet seat is operated with a portable information terminal, and the portable information terminal therefor.
When a person P who carries a portable information terminal 10 enters a toilet room 1, a human body detection sensor 7 detects the entrance and a radio signal is transmitted from a hot-water washing toilet seat 3 to the portable information terminal 10, so that the display of the portable information terminal 10 changes into a non-sitting time operation screen 80. When the person P sits on a toilet seat 6, the screen of the portable information terminal 10 changes into a sitting-time operation screen 90, so that a shower device 19 and the like can be operated. When a touch on a menu switch is made, a condition setting screen 140 is displayed and when setting conditions are changed, icons 131-138 change in color or shape.
FURUYA YASUYUKI
TAKAHANE TOSHIAKI
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