Telit Wireless Solutions GE863 - Manual (Page 101)

GE863-GPS Software User Guide
1vv0300724 Rev. 2 - 24/01/07
5.6 CONTROLLING GPS RECEIVER
The GE863-GPS module is provided by a set of AT commands that permits to configure and use it
through the MODEM serial port.
For the Full list of available commands please refer to the GE863-GPS AT commands Specification
5.6.1 POWER CONTROL OF GPS RECEIVER
The GPS receiver is by default switched on at the first power On.
If is necessary to switch it off or On is possible to use the AT$GPSP command.
The GPS part is supplied by the VAUX1 signal provided by the GSM part. The GPS receiver is usable
if the GSM module is switched on (or at least in power saving).
This command also switch off the GPS antenna supply.
Syntax of the command :
AT$GPSP=<status>
Where <status> means :
0 GPS controller is powered down
1 GPS controller is powered up (default)
? Returns the range of values accepted
AT$GPSP? will return the current status.
Example 1 : (to switch off the GPS)
AT$GPSP=0<CR>
OK
Example 2 : (to know the status)
AT$GPSP?<CR>
The answer will be:
$GPSP: 0
OK
NOTE: Due to the fact that VAUX1 could also be used to supply the Camera, if this device is
switched on the command AT$GPSP=0 will not be executed
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