| 摘要 |
PURPOSE:To reduce power consumption of a battery by changing over a press switch according to a call state, and making transmission power variable. CONSTITUTION:A transmitter 21 sends a transmitting signal, the receiver-22 receives the transmitting signal from the transmitter, and a press switch-PT is equipped with one OFF terminal and multiple ON terminals. An antenna switching means SW2 connects an antenna to the receiver 22 when the OFF terminal of the switch-PT is selected. An automatic power control circuit 30, provided in the transmitter 21, changes transmitting power within a specified range according to the ON terminal when the ON terminal of the switch-PT is selected. |
