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Workshop Manual
Smart Tachograph EFAS-4.10/4.11
Table 3 — Operating modes - symbols
Card type Operating mode Display symbol
Driver smart-card OPERATIONAL
Workshop smart-card CALIBRATION
Company smart-card COMPANY
Control smart-card CONTROL
When a smart-card is being read by the device, the card symbol
of the card-slot in question blinks.
Note The EFAS tachograph will ignore invalid tachograph smart-cards. However, it is possible to display, print and
download the data stored on cards that have expired. An invalid or expired tachograph smart-card will be
indicated by the symbol
instead of the card symbol.
4.9.1 Card combinations and their eect on the operating mode
The following table shows the mode of operation of the EFAS tachograph depending on the tachograph smart-cards inserted.
The combinations that result in a “card conict“ are displayed with a dark gray background. In these cases, it is not clear what the
user’s desired mode of operation is. For this reason, the tachograph assumes what the mode of operation should be according
to the following table.
Table 4 — Operating modes from tachograph smart-cards
Operating mode
Slot 1 (Driver)
no card Driver card Control card Workshop card Company card
Slot 2 (Co-driver)
no card
Operational Operational Control Calibration Company
Driver card
Operational Operational Control Calibration Company
Control card
Control Control Control
3
Operational Operational
Workshop card
Calibration Calibration Operational Calibration
3
Operational
Company card
Company Company Operational Operational Company
3
Note The tachograph smartcards can only be removed when the vehicle is stationary. If an attempt is made to the
eject the smartcard while the vehicle is moving, EFAS will display the following message:
Figure 7 — Smart-card access locked while traveling
3 In this state, the tachograph will only use the recording equipment smart-card in slot 1.
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