Siemens VDO DTCO 1381 Technical Description page 98

4.3 Tachograph cards
Data on calibrations and time
settings
Calibration parameters
4 - 24
The following data will be saved about every calibration or time
setting:
• Identification of the DTCO 1381 (recording equipment identifi-
cation)
– Item number
– Serial number
– KITAS 2171 serial number
• Date and purpose of the calibration
– Activation (1)
– Initial installation (2)
– Installation (3)
– Regularly inspection (4)
At least 88 calibrations will be saved.
The workshop card will also save a counter for the total number of
calibrations and the number of calibrations since the last download.
The following updated and/or confirmed calibration parameters are
saved on the workshop card:
• 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
© Siemens VDO Automotive AG
Data handling
Edition 07/2007