Siemens VDO DTCO 1381 Technical Description page 86

Digital tachograph
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4.2 The flow of data and memory behaviour
Calibration parameters
Time settings
Control activities
4 - 12
The DTCO 1381 saves the following updated and/or acknowledged
calibration parameters:
Vehicle identification
– Chassis number
– Vehicle registration number
– Registering authority of member state
Vehicle characteristics
– Characteristic coefficient (w-value)
– Recording equipment constant (k-value)
– Effective wheel circumference
– Tire size
– Legally permitted maximum speed
– Odometer – old value
– Odometer – new value
– Date and time – old value
– Date and time – new value
In the calibration mode, the following data will be registered and
saved for the most recent time setting and the five time setting with
the largest corrections:
Date and time – old value
Date and time – new value
Number of the workshop card, issuing member state, expiration
of validity
Name and address of the workshop
The following information is registered and saved from the last 20
control activities:
Date and time of the control
Number of the control card, issuing member state
Type of control
– Display, printing, or downloading of data from memory
– Display, printing, or downloading of card data
With a download, the time period (from/to) of the copied data is reg-
istered.
© Siemens VDO Automotive AG
Data handling
Edition 07/2007

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