| 摘要 |
PURPOSE: A WLL terminal having an operation power stabilization function and its control method are provided to enhance a speech quality of a terminal by supplying operation power from a charging battery when the terminal is set in a call mode. CONSTITUTION: At an initial stage(S1), a charging battery is charged by using external power(S2). It is judged whether a terminal is in a call mode(S3). If the terminal is in the call mode, external power is cut off and the call mode of the terminal is executed only by supplying power of the charging battery(S4). It is judged whether the call mode of the terminal has been terminated(S5). If the call mode of the terminal has been terminated, external power is again supplied to charge the charging battery(S6).
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