User's Manual

DRAFT TrimTrac 1.5 Technical Manual v0.3ab 59
• If either of the Runtime meters have a threshold set to some value
other than “0 hours” and the accumulated runtime hours or either
exceed the associated threshold, then the TriggerType will be set
“5=Runtime Meter” and the device will transition to the STATUS
State.
• If the Report Delay Flag is set “4=Start/Stop Report” and there has
been no motion since the most recently completed FIX State, then the
TriggerType will be set “6=Stop Report” and the device will transition
to the STATUS State.
Alert Processing in the IDLE State:
Whenever one or more Vehicle Adapter or Control Module alerts are in some
condition status other than “0=Normal” or “3=Acknowledged”, and not mode set
“1=Disabled” or “3=Monitor-only”, alert processing during IDLE state shall be in
the following order:
1. If HPA Status is set:
a. Or becomes set to“1=Activated”, then set TriggerType to “2=Alert”
and go to STATUS state;
b. “2=Sent”:
i. To FIX state if Position Age flag is set “1=Aged”; or
ii. If Position Age flag is set “0=Current”, start HPA Idle
Timeout, T11. Upon expiration HPA Idle Timeout, T11, or
upon detection of subsequent motion, transition to STATUS or
FIX states, respectively.
2. If MPA Status is set:
a. Or becomes set to“1=Activated”, then set TriggerType to “2=Alert”
and go to STATUS state;
b. “2=Sent”:
i.
To FIX state if Position Age flag is set “1=Aged”; or
ii. If Position Age flag is set “0=Current”, start MPA Idle
Timeout, T12. Upon expiration MPA Idle Timeout, T12, or
upon detection of subsequent motion, transition to STATUS or
FIX states, respectively.
3. If LPA Status is set or becomes set to“1=Activated”, then set TriggerType to
“2=Alert” and go to STATUS state.
FIX State
The FIX State is the state where the GPS engine is running trying to get a fix.
While in this state the GPS hardware is always turned on and the GSM radio
hardware may or may not be turned off depending upon the current configuration