Microgate
Witty TAB User Manual
Page 22 of 33
2.5
P4
–
L
AP
S
PEED
Measures the speed (in m/s, km/h or mph) between two impulses from the same photocell.
Usually the speed base length refers to the lap (e.g. 400 m athletics track)
When the P4 program is accessed, the following parameters are required to set the length of the
speed base and the measurement unit:
L ___
Insert the number of METERS of the speed base length (0-999)
C __
Insert the amount of CENTIMETERS of the speed base length (0-99)
S _
Insert the measurement unit:
0 = m/s
1 = km/h
2 = mph
e.g. Speed base 400 meters measurement unit km/h
P4 L 400 C 0 S 1
When the display board receives the first impulse, it keeps displaying 0.00; after the second
impulse it shows the calculated speed, displaying it until the next impulse is detected (second,
third, nth lap) or the yellow Lap-Reset button is pressed.
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