| 摘要 |
<p>The device has a control unit detecting interruption of a power supply system and notifying an indication i.e. audio warning, in case of interruption of the power supply system that is switched by operating condition of a vehicle. The indication of notification is provided on a display screen (12) of a navigation system (10). The indication requests to control the navigation system, and the indication is tripped by touching the display screen of the navigation system or by taking out the navigation system from a mounting part.</p> |
