Citizen AD2992-59P - Calculation of driving distance; Calculation of fuel consumption rate (consumed per hour)

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English
[Calculation of driving distance]
Q : Supposing that the speed is 60km/hour, what distance will a vehicle travel in 1 hour
and 20 minutes?
A : Align 60 of the outer scale with the SPEED INDEX “” of the inner scale.
Result: 80km corresponding to 1:20 of the inner scale can be gured out.
[Calculation of fuel consumption rate (consumed per hour)]
Q : If the drive time is 5 hours and 30 liters fuel are consumed, what is the fuel
consumption rate ( liters/hour)?
A : Align 30 of the outer scale with 5:00 of the inner scale.
Result: 6 Liters per hour - 60 is indicated on the SPEED INDEX “”
corresponding to the outer scale.