| 摘要 |
A recognition sensor (2) for detecting motion of a hand or a finger is provided at the tip of a lever switch (6). When an abnormality occurs, a control unit (5) controls a display unit (3) and a speaker (4) so as to execute an alarm function, there by generating alarm from the display unit (3) and the speaker (4). When the swinging motion of the finger is detected by the recognition sensor (2) during the execution of the alarm function, the control unit (5) stops the alarm function of the display unit (3) and the speaker (4). |
