Template:FMX Accelerometer Features settings: Difference between revisions
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==Accelerometer Calibration== | ==Accelerometer Calibration== | ||
Accelerometer auto calibration functionality has one purpose - determine how FMX device | Accelerometer auto calibration functionality has one purpose - determine how {{{model|FMX}}} device | ||
is mounted in a vehicle. After the calibration process ''eco driving'' functionality becomes active | is mounted in a vehicle. After the calibration process ''eco driving'' functionality becomes active | ||
and calibration data will be used to determine harsh acceleration, braking and cornering events.<br/> | and calibration data will be used to determine harsh acceleration, braking and cornering events.<br/> | ||
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* If on device startup no calibration was detected; | * If on device startup no calibration was detected; | ||
* If the device receives an SMS/GPRS message with ''auto_calibrate:set'' text.<br/> | * If the device receives an SMS/GPRS message with ''auto_calibrate:set'' text.<br/> | ||
After functionality has started FMX device periodically checks current appliance GNSS, | After functionality has started {{{model|FMX}}} device periodically checks current appliance GNSS, | ||
ignition and movement source parameters and if the conditions match:<br/> | ignition and movement source parameters and if the conditions match:<br/> | ||
* position fix got; | * position fix got; | ||
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Then first vector is taken. Saved vector will be considered as ground vector and it will be | Then first vector is taken. Saved vector will be considered as ground vector and it will be | ||
used at further calibration calculations.<br/> | used at further calibration calculations.<br/> | ||
''Note: When | ''Note: When {{{model|FMX125}}} device saves first ground vector vehicle must be parked on flat ground''. | ||
Crooked vector may have an impact on further calculations.<br/> | Crooked vector may have an impact on further calculations.<br/> | ||
Afterwards first ground vector was taken, device analyses conditions:<br/> | Afterwards first ground vector was taken, device analyses conditions:<br/> | ||