XT55 AVL User’s Guide
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mo b i l e
XT55_avl_ug_V03 Page 24 of 37 28.06.2004
Commands build in the history function
$PSRF112,
1,
LOG=[parameter
s],
*XX
Parameter description:
1: // enable history function
Parameters: // configure history function
Defined values
numSat // Minimum number of satellites required for storage in
the GPS history.
MinTime // Minimum time interval for saving GPS protocols in the
GPS history
MaxTime// Maximum time interval for saving GPS protocols in the
GPS history
MinDist// Minimum covered distance for saving GPS protocols in
the GPS history
MaxDist// Maximum covered distance for saving GPS protocols in
the GPS history
MinSpeed// Minimum driving speed for saving GPS protocols in
the GPS history
MaxSpeed// Maximum driving speed for saving GPS protocols in
the GPS history
*XX // CheckSum has to be calculated.
Example 1:
$PSRF112,1,LOG=3,5,0,0,40,20,50*68
This command enables the GPS history function with entered values. Please
refer to the Chapter 3.1.1for detailed examples. The XT55 AVL stores location
data in the history memory as follows:
• every 40 m if the vehicle has a speed less then 20km/h
• every 5 seconds if the vehicle is driving at a speed of between 20 and 50
km/h
• every second if the vehicle is driving faster than 50 km/h
All included settings are user-configurable parameters.
$PSRF112,
2,
*XX
Parameter description:
2: //disables history
*XX // CheckSum has to be calculated.
Example 1:
$PSRF112,2*3B
This command disables the history function. No data will be saved in the GPS
history.