2.5 Setting the current time
• Press the SET button
• Change the digits by pres-
sing the MODE button sever-
al times
• Confirm the individual digits
by pressing the SET button
Clock
BB 4000
12
50
Wheel circumference (mm) = 2 x r (mm) x 3.14
Wheel circumference
Clock/Date?
Clock
Date
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Time
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Clock
BB 4000
Date
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