44.2 Join Into Lora NetworkTo join the device into LoRa network to communicate with LoRa gateway.The network operation is as following:After the device is turned on, it starts to actively search for the network. If it searches a network thatcan be joined, the green indicator light will stay on for 5 seconds to indicate that the network issuccessfully joined. Otherwise, the indicator light does not work.4.3 Function Key(1) Press and hold the function key for 3 seconds to turn on the device, and the green LED flashesonce.(2) Press and hold function key for 5 seconds to reset to factory setting. After restoring tofactory setting successfully, the green indicator will flashes quickly 20 times.(3) Press the function key once to turn on the device which is in the network and the green indicatorflashed once and the device will send a data report.4.4 Data ReportWhen the device is turned on, it will immediately send a version package and a data report oftemperature/voltage. The transmission frequency of data report is once every hour.ReportMaxTime: 3600s;ReportMinTime: 3600s;ReportChange: 0.1V;TempChange: 1℃;Data report configuration and sending period are as following:Min Interval(Unit:second)Max Interval(Unit:second)ReportableChangeCurrent Change≥Reportable ChangeCurrent Change <Reportable ChangeAny numberbetween 1~65535Any numberbetween 1~65535 Can not be 0. Reportper Min IntervalReportper Max Interval