| this bitmask defines the event or events which triggered the report. Note that multiple reason bits can occur, so bitwise handling is essential bit 0    Timed interval elapsed   bit 1     Distance travelled exceeded bit 2    Position on demand (i.e. polled) bit 3    Geofence event bit 4    Panic switch activated bit 5    External input/output event bit 6    Journey START bit 7    Journey STOP bit 8    Heading change   bit 9    Low battery bit 10  External power event bit 11  Idling start event bit 12  Idling end event bit 13  Idling ongoing bit 14  Power ON or RESTART event bit 15  Speed overthreshold bit 16   Towing event (vehicle moving with IGN off)   bit 17   Unauthorised driver alarm (vehicle IGN on and unknown driver) bit 18   Collision alarm (excessive G forces detected) bit 19   Accel threshold maximum event (positive X axis) bit 20  Cornering threshold maximum event (Y axis) bit 21   Decel threshold maximum event (negative X axis) bit 22  GPS re-acquired bit 23  CANBus event bit 24   CARRIER event bit 25   TAMPER alarm bit 26   Towing event end bit 27   Serial device event (change of status) bit 28   Low External Voltage (based on CPWR threshold) bit 29   Entering sleep mode bit 30   Bike fall / vehicle roll-over bit 31    Motion detected (whilst parked / out of journey) |