| 摘要 |
<p>PROBLEM TO BE SOLVED: To inform a driver how dangerous an alarm indicates by informing the driver of the conditions of a vehicle body. SOLUTION: A condition determination detecting circuit 25 is provided for detecting and determining a condition of a main body 1 running with a motor 19 as a driving device. An audio speaker 26 informing the driver of the condition informs with a different sound according to a detected condition.</p> |
