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Device testing
Variable speed
1
Press
to start the "Test device" menu.
The CTC II reads the tachograph type and the K value.
2
Confirm the current K value or use
...
to enter the new
value.
Press
or to increase or decrease the value in
increments of 1 km/h (and or in increments of 0.1 km/h).
3
–
Adopt the predefined speed value or
–
use
...
to enter the new value and confirm.
Press
or to increase or decrease the value in
increments of 1 km/h (and or in increments of 0.1 km/h).
4
Approach the speeds (applies only to digital tachographs).
–
20 km/h (min.)
–
80 km/h
–
180 km/h (max.)
The speed shown in the digital tachograph display may only
deviate by a maximum of ± 1 km/h.
Remark:
The CTC II automatically sets speeds of < 20 km/h to a value
of 20 km/h.
The CTC II automatically sets speeds of > 200 km/h to a value
of 200 km/h.