User's Manual

DRAFT TrimTrac Locator Technical Manual 13
T7
Motion Report Flag 0:None; 1:Report first
motion before GPS fix
0
Report Delay Flag 0:Log & Transmit messages;
1:Log messages only
0
Diagnostics Mode 0: None; 1: LED 1
Communication
Mode
0: SMS; 1: Future 0
GPS Elevation
Mask
In degrees (0-90) 5
GPS Signal Level
Mask
In tenths of AMUs 20
GPS PDOP Mask In tenths of PDOP 120
GPS PDOP Switch In tenths of PDOP 60
Dynamics Mode Undefined = 0
Land = 1
Sea = 2
Air = 3
Stationary = 4
Automobile = 5
5
Table 1 Factory Default Parameters
Read-Only Parameters
Parameter Unit/Notes
Firmware Version Version of the firmware
Battery Condition Remaining battery power
Battery Changed
Flag
0/1 (if battery changed)
Battery Change
Time
GPS Time
Table 2 Read Only Parameters
Security Considerations
Communication Security
The security of the TrimTrac locator supports SMPP, which allows the
application server or wireless carrier to insert any originating address into the
messages it sends to the TrimTrac locator. To maintain the security of the
TrimTrac locator it will only accept an incoming TrimTrac Application message
if its Unit ID field matches its own Unit ID and the password field matches its
password. This will ensure that only the server application should be able to send