User's Manual

GlobalTrak ™ GT Lite Operation and Maintenance Manual
Each Logger Message contains a “Record Data Type” that describes what caused the message
to be created.
Following the Record Data Type, the logger message contains a date and time stamp, location
information, and all sensor data available on the device.
Record Data Type
The Record Data Type communicates the type of Logger message sent and the reason for
sending. Below is a table listing the most common Record Data Types.
Number Record Data Type Description
0 DEF Scheduled location estimate and sensor read (no event)
1 OPTIC Optical sensor event detected
2 SHOCK Accelerometer sensor event detected
3 DOOR Door open sensor event detected
5 BAT Battery is depleted to the threshold
6 MOUNT Mount sensor event detected
7 BOOT Immediately follows soft/cold boot
8 ANT GPS Antenna recently disconnected
9 MOTION Motion event detected
10 ANA1 Analog 1 ZigBee sensor event detected
11 ANA2 Analog 2 ZigBee sensor event detected
12 ANA3 Analog 3 ZigBee sensor event detected
13 ANA4 Analog 4 ZigBee sensor event detected
18 EXPWR External power sensor event detected
20 DIG2 Digital 2 ZigBee sensor event detected
21 DIG3 Digital 3 ZigBee sensor event detected
22 DIG4 Digital 4 ZigBee sensor event detected
23 DIG5 Digital 5 ZigBee sensor event detected
GPS Mode
The GPS mode provides additional information regarding the quality of the location estimate
included in the logger record.
Parameter Description
3D 3D location estimate. Accurate to within 10m.
2D 2D location estimate. Accurate to within 1.5km.
Previous Valid GPS Providing latest valid location estimate
Prepared: R. Straz Date: July 25, 2007 Page 37 of
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