| 摘要 |
In a cellular telephone apparatus a sub-terminal constitutes a part of the cellular telephone apparatus and is separable from a main terminal constituting the apparatus body. Each of the sub-terminal and the main terminal has a battery section, provided are battery remaining amount detecting sections, battery remaining amount notifying sections, table holding sections that hold operation tables that define operations of devices that the main terminal and sub-terminal have corresponding to the battery remaining amounts of the main terminal and sub-terminal. Control sections are provided that determine the operations of devices available based on battery remaining amount.
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