Novatel SA2100X-UG001, Руководство пользователя

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Enable Accelerometer
Use this to turn the built-in Accelerometer On or Off as needed.
G Range
This is the maximum G value which can be recorded accurately. The wider the range, the less accurate
the readings will be. The default is 2g, which is more than sufficient for normal vehicles. Any value above
2g must be a crash.
Auto-Calibration
Enable this to have the Accelerometer perform auto-calibration when the SA 2100 is powered up.
Normally this is necessary and should be enabled.
Retain calibration data on restart
If enabled, the Accelerometer will be able to perform auto-calibration faster. This setting can be turned
on if the SA 2100 is in a fixed location in a particular vehicle. Otherwise, it should be turned off.
Quality factor
This is similar to a % confidence level for auto-calibration. If set to 75, then auto-calibration is
considered complete when the device calculates that there is a 75% probability that it is correct. Values
below 25% are not allowed because the results would be unreliable.
Mode
When Driver Behavior is selected, this option is intended for the situation where the SA 2100 is installed
in a vehicle, and you wish to monitor vehicle operation. Events are generated and recorded for
exceptional (above threshold) changes in motion of the vehicle while it is being used. You can set
different thresholds and parameters for changes in different directions (braking, acceleration, left turn,
right turn, vertical) plus the “Magnitude”, which is a change in any direction. When the threshold is
exceeded for a period greater than the "Set Time", an event is triggered.
NOTE: Auto-calibration is necessary for the SA 2100 to determine which direction is “forward” so that
acceleration/braking and left/right changes can be measured correctly.
Braking, Acceleration, Left Turn, Right Turn, Vertical, Magnitude
These groups of settings allow you to specify different values to trigger events for changes in different
directions.
The settings are explained below. You can specify 4 thresholds for Braking and Acceleration, 2
thresholds for Right Turn, Left Turn, and Vertical, and 1 threshold for Magnitude. Magnitude refers to a
change in motion in any direction.
NOTE: A single change may trigger multiple events. For example, if the Braking thresholds are set to
100, 200, 300, and 400, then a 500 milliG motion would trigger all 4 events.
SA 2100 User Guide 44