Digital tachographs shall ensure the following functions:
— | speed and distance measurement;
— | monitoring driver activities and driving status;
— | monitoring the insertion and withdrawal of tachograph cards;
— | recording of drivers’ manual entries;
— | calibration;
— | automatic recording of the position points referred to in Article 8(1);
— | monitoring control activities;
— | detection and recording of events and faults;
— | reading from data memory and recording and storing in data memory;
— | reading from tachograph cards and recording and storing in tachograph cards;
— | displaying, warning, printing and downloading data to external devices;
— | time adjustment and measurement;
— | remote communication;
— | company locks management;
— | built-in and self-tests.