| 摘要 |
PROBLEM TO BE SOLVED: To provide a sprinkling system capable of performing the control of the sprinkling to extension machines existing at positions beyond the reach of a direct wireless signal from a remote controller. SOLUTION: This sprinkling system 1 is equipped with plural extension machines 2a to 2d controlling the sprinkling with sprinklers in accordance with a control command S01 , a remote controller 3 transmitting the control signal S01 to each of the extension machines 2a to 2d through a wires circuit and a main controlling device 4 connected to the plural extension machines through the wireless circuit. When the control command S01 is transmitted to optional extension machines among the plural extension machines 2a to 2d by the remote controller 3, each of the extension machines 2a to 2d transmit the command signal S01 directly or through the other extension machines to the main controlling device 4, and the main controlling device 4 transmits a control command S02 to optional extension machines directly or through the other extension machines.
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