Bosch C60 Manual page 76

12 | Lap Trigger
12.1.2 GPS Lap trigger
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Two types of trigger signal:
– Main trigger (end‐of‐lap at start/finish line)
– Sub‐trigger (segment time, optional, not applicable with GPS lap trigger)
Bosch standard:
– Main trigger 20 ms, low active (Recommendation for RaceCon "Detecion Time" set-
ting: 15 ms, Setting must be a slightly shorter period than the signal length of the
trigger to avoid a missed trigger due to the update rate)
– Sub trigger 40 ms, low active (Recommendation for RaceCon "Detecion Time" setting:
30 ms)
The GPS lap trigger uses a GPS signal to trigger the lap timer. To function this timer an ex-
ternal GPS sensor (see GPS Sensor) has to be connected to the device and a detection
point with a detection range has to be defined in RaceCon.
The GPS detection point is defined by the latitude and longitude. The easiest way to get
the latitude and longitude of a finishing line is due to a web mapping program such as
google maps. With google maps, simply left-klick on the spot where you want to set the
detection point. The information about the latitude and longitude will show up, in general
the latitude is given at first. You should insert at least five decimal places for sufficient pre-
cision.
Photo: Google Maps
The detection range defines the radius of a circle around the detection point in which the
lap trigger can be set. The lap trigger will be set as soon as the distance between the car
and the detection point has reached its smallest peak. By this function an imaginary finish-
ing line is calculated inside of the detection circle.
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