First calibration 10.5 Performing the first calibration
Edition 07/2007 Technical Description DTCO 1381 10 - 13
TD00.1381.00 132 102
10.5.1 Inserting workshop card
Fig. 10 - 2: Inserting workshop card
1. Switch ignition on (required only for ADR variant).
2. Eject any tachograph cards that may be already inserted.
3. Insert workshop card into card slot 1 with the chip facing up
(after insertion, the card will be automatically locked mechani-
cally).
• The subsequent procedure is menu-guided.
Attention!
If the workshop determines with the inspection – according to
CR (EEC) 3821/85, annex I B, paragraph IV – that the housing switch
was operated or is, the law-conformal functioning of the DTCO 1381
must be proven by appropriate inspections.
The registered data starting from the last inspection must be clas-
sified as not trustworthy, until the proof of the law-conformal func-
tioning.
The following description of "Inserting workshop card" is based on a
DTCO 1381 that is already activated.
For detailed information on activating the DTCO 1381, see chapter
9.3 "Performing the activation", page 9-8.