44.Set up Instruction4.1 Power on and Turn on / off(1) Power on: open the battery cover; insert two sections of 3.6V ER14505 AA lithium batteries andclose the battery cover.(2) Turn on: the device (not in the network) is at off mode by default after inserting batteries. At thistime, press and hold the function key (about 3 seconds) till the green light flashes once. The boot issuccessful.(3) Turn off: press and hold function key for 5 seconds till the green indicator flashes quickly andrelease. The green indicator will flash 20 times to show that R718A is turned off.Note:1. The interval between shutting down twice or power off/on is suggested to be about 10 seconds toavoid the interference of capacitor inductance and other energy storage components.2. Do not press function key and insert batteries in the same time, otherwise, it will enter engineertesting mode.3. Each time the battery is removed and inserted, it will be at off mode by default and users need toturn it on again.4.2 Join Into Lora NetworkTo join R718A into LoRa network to communicate with LoRa gateway.The network operation is as following:(1) If R718A had never joined any network, turn on the device; it will search an available LoRanetwork to join. The green indicator will stay on for 5 seconds to show it joins into the network,otherwise, the green indicator will be off.(2) If R718A had been joined into a LoRa network, remove and insert the batteries; it will repeatstep (1).4.3 Function Key(1) 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.(2) Press function key to turn on the device which is in the network and the green indicator will flashonce and the device will send a data report. If the device is not in the network, press function key;the indicator does not work.