Installation guide

LMU Users Guide
V1.0.6 December 10 2009
Copyright ©CalAmp DataCom Inc 2009
- 67 - CalAmp Proprietary & Confidential
This value is the Action Modifier associated with the Display Position PEG Action.
If the POS message is produced automatically (i.e. not through PEG), this value will
be 0.
<time of fix>
This is the time of fix as produced by the GPS Receiver. It is displayed in seconds
since 00:00:00 of Jan 1, 1970.
<latitude>
This is the latitude produced by the GPS Receiver in decimal degrees. The value is
scaled by 10
7
. Please note that this value is subject to Pinning
<longitude>
This is the longitude produced by the GPS Receiver in decimal degrees. The value is
scaled by 10
7
. Please note that this value is subject to Pinning
<heading>
This the heading value produced by the GPS Receiver in degrees from true north.
<speed>
This the speed reading produced by the GPS Receiver in centimeters per second.
<HDOP>
This is the Horizontal Dilution of Precision value produced by the GPS Receiver
scaled by 100.
<number of sats>
This is the number of satellite the GPS Receiver is using to compute its position.
<fix status>
The current fix status of the GPS Receiver bitmapped as follows:
Bit 0 – Predicted
Bit 1 – Differentially Corrected
Bit 2 – Last Known
Bit 3 – Invalid Fix
Bit 4 – 2D Fix
Bit 5 – Historic
Bit 6 – Invalid Time
This message is enabled by setting bit 1 of S-126.
AT$APP PARAM 1024,6,2,2
Is it disabled by clearing bit 1.
AT$APP PARAM 1024,6,2,0