The information on the vehicle speed, regimes of its work and the regimes of the driver(s)’s
work and rest is registered in the electronic memory of the tachograph, later on the information can
be read out, printed out and checked by supervisory bodies. Recording and readout of the
information is performed in such way as to check its integrity and authenticity in the future.
In accordance with EU Directive No. 3821/85, periodical inspection of digital techographs
should be carried out at any condition of the device, at least once every two years after the last
check.
On MAZ vehicles, digital tachograph is installed into the electrical equipment panel on the
driver’s side on kit rack (see Figure 8).
Figure 8 – Digital tachograph installation place
Вещевая полка Kit rack
Панель электрооборудования Electrical equipment panel
тахограф Tachograph
Digital tachograph provides with the registration of:
the speed of movement, vehicle run, the periods of the time of work and rest of one or two
drivers.
Vehicles parameters registration is carried out in two kinds:
– in written form (on a cash tape);
– in electronic format.
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Note: In accordance with international technical requirements, the reports made up by a
tachograph sent to a printer and display should cover a period of the last 28 days. Earlier
information on the vehicle’s travel parameters and driver’s actions for the period of time that
covers the last 365 days is kept in the tachograph memory and can be retrieved through a plug-
and-socket connector on the face side of the tachograph.