LogTag Recorders UTRED30-WiFi Product User Manual page 43

Powering the UTRED30-WiFi UTRED30-WiFi User Guide 43
The internal secondary backup battery (CR2032 LiMnO coin cell)
2
should be replaced immediately when the low battery symbol -as
shown- appears. This can be done by a qualified technician.
Failing to replace the battery can result in loss of configuration information and
loss of recorded data, even when the logger is connected to a power supply.