S and R series of data loggers

For correct operation of the device is required you to detect each battery exchange and make update some settings. Start update by selection Configuration --> Battery change. Date of battery exchange is written in the device and correct date and time is set up. This step is required for true evaluate the remaining battery capacity.

L series of data loggers and older ATP serie (without screen/display)

Dialog:
Datalogger detect disconnecting the power supply. Do you exchange the battery? - Yes / No

Devices automatically detect disconnecting the power supply. If you exchange the battery, press Yes button: device save date and time of battery exchange and set up true date and time. If you don't, press No (some older devices can detect disconnecting wrong, when communicate with program first).