RADIO COMMUNICATION SYSTEM

PROBLEM TO BE SOLVED: To achieve a radio communication system capable of adjusting the volume of the speaker of an individual receiver according to a request of individual resident, and adjusting the volume of a loud speaker outdoor according to a place in a quieter residential area or a place near to a hospital, and a place with large noise. SOLUTION: In the radio communication system, report information is transmitted by radio from a master station unit to two or more slave station units, and the slave station unit receives and generates this report information as an output when receiving this from the master station unit. The slave station unit includes a sound unit and a memory unit. The memory unit stores a table where two or more tone volumes or tone qualities are designated, and the slave station unit selects one of tables stored in the memory unit based on the instruction information from the master station unit, and makes the sound unit in a sounding state based on the tone volume and tone quality selected in this arrangement. COPYRIGHT: (C)2006,JPO&NCIPI