Make sure to power OFF of the EcoMonitorLight or EcoMonitorPlus when replacing a battery of the Logging Unit (Model: EMU4-LM) for the Energy Measuring Unit.
Replacing the battery while power ON may cause electric shock and malfunction.
Note that current time data, logging data and system log data are deleted after replacing the battery.
Output a logging data and system log data into an SD memory card before replacing the battery. Then set time after replacing the battery.
* Since logging ID, logging mode, logging start time, logging cycle of detail data, setting value of logging elements are stored into the nonvolatile memory, they will not be deleted.