User guide

GPS AT COMMANDS SET
161 AT Commands for EV-DO-EV3 Modems
Values
<status>
0 GPS controller is powered down. Default: 0.
1 GPS controller is powered up.
Notes
 The current setting is stored through $GPSSAV.
Example
AT$GPSP=0
OK
GPS Reset $GPSR
Execute command resets the GPS controller.
Test command reports the range of supported values for <reset_type>.
Syntax
Command Command type
AT$GPSR=<reset_type> Set
AT$GPSR=? Test
Parameters and Values
<reset_type>
0 Hardware reset. Resets the GPS receiver and restarts using values stored in the
GPS receiver’s internal memory.
1 Coldstart, no almanac, no ephemeris. This option clears all data that is currently
stored in the internal memory of the GPS receiver including position, almanac,
ephemeris, and time. The stored clock drift however, is retained. It is available in
controlled mode only.
2 Warmstart, no ephemeris. This option clears all initialization data in the GPS
receiver and subsequently reloads the data that is currently displayed in the
Receiver Initialization Setup screen. The almanac is retained but the ephemeris is
cleared. It is available in controlled mode only.
3 Hotstart, with stored almanac and ephemeris. The GPS receiver restarts by using
the values stored in the internal memory of the GPS receiver, validated
ephemeris and almanac. It is available in controlled mode only.
Notes
 The current setting is stored through $GPSSAV.
 Command works only while GPS is running.
Example
AT$GPSR=0
OK