| 摘要 |
When a primary battery voltage detector (142) of a wireless selective call receiver (2-1) detects voltage drop of a primary battery (112), it transmits a voltage drop signal to a CPU (162) which sends alarm data to a control section (340) of an information processing apparatus (4-1) to give the alarm (400, 384). Further, the CPU (162) controls a power supply control circuit (180) to connect a power supply (360) of the information processing apparatus (4-1) to the wireless selective call receiver (2-1) without any instantaneous power down. <IMAGE> |
