| 摘要 |
PROBLEM TO BE SOLVED: To provide a dental chair unit including a control panel easily operable by highly-functional and necessary-minimum switches, whereas a control panel for a dental chair unit has such a trend that the number of switches is increased gradually following the tendency to requirement of high functionality.SOLUTION: A dental chair unit has a switch having a plurality of functions for controlling the dental chair unit, and a control panel having a selector switch for switching the plurality of functions. The switch having the plurality of functions is a touch switch, and a backlight is provided on the back of the touch switch. The backlight is switched off to be unseen when the operation is unnecessary, and the backlight is switched on to be seen when the operation is possible. |
