| 摘要 |
PURPOSE: A mobile terminal is provided to conveniently grasp a reason of a failure through data of a detecting history recording unit. CONSTITUTION: An external exposure terminal(130) is comprised of a plurality of exposure ports. The exposure ports is electrically connected to each external element. In connecting the external element, a terminal control unit(140) performs a function through the external element. If a voltage exceeding a threshold value through the exposure port, a detecting history recording unit(150) checks and records detecting time information and records terminal identification information of the exposure port.
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