
(3) Power-off operation after turn-on: after the battery is removed, the battery is discharged for
about 10 seconds and reload batteries again. At this time, the device is turned on by default (it has
been turned on, no need to press the button again to enter the turn-on state). Both red and green
lights are on and off.
(4) Turn off: Press and hold both function keys for 5 seconds till the green indicator flashes quickly
and release. The green indicator will flash 20 times to show that R312A is turned off.
Note:
(1) The interval between shutting down twice or power off/on is suggested to be about 10 seconds to
avoid the interference of capacitor inductance and other energy storage components.
(2) Do not power on the device and press any function key at the same time, otherwise it will enter
engineering test mode.
4.2 Join Into Lora Network
To join R312A into LoRa network to communicate with LoRa gateway. The network operation is as
following:
(1) If R312A had never joined any network or at factory setting mode, turn on the device; it will
search an available LoRa network 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 R312A had been joined into a LoRa network, remove and insert the batteries; the green
indicator will stay on for 5 seconds to show it joins into the network.
4.3 Function Key
(1) Press and hold both function keys for 5 seconds to reset to factory setting. After restoring to
factory setting successfully, the green indicator will flashes quickly 20 times.
(2) Press any function key and it will send a data report. The green indicator will flash once.
(3) Press and hold emergency button for three seconds till the red indicator flashes once and sends a
data report.
4.4 Data Report
When the device is powered on and activated, it will immediately send a version package.
Data will be reported once per hour by default setting.
Maximum time: 3600s
Minimum time: 3600s
Default reportchange:
Battery ---- 0x01 (0.1V)