Trimble Inc. TRIMTRAC1 Benutzerhandbuch

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DRAFT TrimTrac Locator Technical Manual      13 
T7 
Motion Report Flag 
0:None; 1:Report first 
motion before GPS fix 
Report Delay Flag 
0:Log & Transmit messages; 
1:Log messages only 
Diagnostics Mode 
0: None; 1: LED 
Communication 
Mode 
0: SMS; 1: Future 
GPS Elevation 
Mask 
In degrees (0-90) 
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 
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