| 摘要 |
PURPOSE:To obtain the inter-slave-set communication method in which simultaneous multiple address communication is conducted without increasing a traffic of a master set. CONSTITUTION:A group number G88(99) is preset in addition to an ID number (00-09) specific to each slave set. When the slave set 00 being a caller makes a call while designating a group number, plural slave sets in existence in a transmission area 1 replies an acknowledge only when the received group number and a group number registered in each of the plural slave sets are coincident to form a radio channel and receives a simultaneous multiple address communication signal from the caller slave set as a reception exclusive slave set.
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