| 摘要 |
PURPOSE:To simplify the transmission operation by providing each means which calls a slave set sequentially when a master set designates a slave set and records a message, and records a reply in the master set when the slave set replies the message. CONSTITUTION:A master set designates a slave set number by a call slave set designation means 2 and after a message to a slave set is recorded, a notice time of a message is set to a message recording means 1. When a slave set notice setting means 3 sets a radio line to a designated slave set at a setting notice time to notice the recorded message sequentially. The slave set uses a reply message to enter a reply message and sends it to the master set with respect to a message notice from the master set and the master set records the reply of the slave set to a slave set reply recording means 5. Thus, the operation at message transfer is much simplified.
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