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The letter 'A' shown on the tachograph records:
AThe speed.Correct
BThe rest times.
CThe distance travelled.
Explanation
The letter shown in the image points directly to the speed scale of the analogue tachograph, specifically next to the 80 km/h mark. The tachograph continuously records the vehicle's instantaneous speed through a dedicated stylus that moves vertically according to the speed developed. The other options are incorrect because, although the tachograph also records rest times and distance travelled, these records are made in other specific areas of the diagram disc and by different mechanisms, not corresponding to the speed scale indicated by the letter.
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