| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a single worker to easily adjust an angle at which an antenna is set, in accordance with a signal level of a reception signal transmitted from the antenna. <P>SOLUTION: A microcomputer 5 acquires a reception signal level detected by a reception level detecting section 1a and controls a modem 7 to generate a signal sound which varies depending on the acquired reception signal level. The modem 7 is connected via a telephone line to a communications terminal apparatus, and transmits the signal sound. A communication terminal apparatus of a transmission destination is carried by the worker who sets the antenna. The worker can use the communications terminal apparatus to adjust a direction of the antenna 20 while hearing the signal sound varying depending on the reception signal level. <P>COPYRIGHT: (C)2007,JPO&INPIT |
