| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a portable communication terminal capable of efficiently performing multimode communication corresponding to battery voltage, and when charge of a battery is started due to stop of a main communication means, capable of suitably restoring the main communication means without causing an unanticipated situation for a user, and capable of improving user's convenience. <P>SOLUTION: If a second radio communication means 202 is connected when restarting a communication operation system of a terminal 100 after a first radio communication means 102 stops the communication operation system due to a voltage drop of a battery, a start sequence of the second radio communication means 202 is performed to start the communication operation system of the terminal 100, and when a power supply operation part 111 is operated in the above state, a selection screen for selecting whether the first radio communication means 102 is to be turned to a usable state or a power supply is turned off is displayed on a display means 106, or when battery voltage exceeds a prescribed value Vth1, the first radio communication means 102 is controlled to a usable state. <P>COPYRIGHT: (C)2009,JPO&INPIT |
