RFID and iButton logbook
To access the About informational window, press button in Top panel.
![../_images/top_bar_big_logbook.png](../_images/top_bar_big_logbook.png)
The logbook allows to see the information received from RFID and iButton. All recorded changes of drivers, trailers and passengers are displayed.
![../_images/logbook.png](../_images/logbook.png)
Object - select the object or objects to be displayed in the logbook.
Filter - quick select the period for which logbook records are to be displayed.
Time from/Time to - precise way to specify the period for which logbook records should be displayed.
Drivers - include drivers records in the logbook list.
Passengers - include passengers records in the logbook list.
Trailers - include trailers records in the logbook list.
Time - date and time when the logbook record was generated.
Object - object name for which logbook record was generated.
Group - indicates for which group the logbook entry was generated: Driver, Passenger or Trailer.
Name - name of the logbook record.
Position - topographic coordinates and address of the place where the logbook entry was generated.