GM862-GPS Software User Guide - SemiconductorStore.com

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Command Time-Out (Seconds)#SHDN 10#QTEMP 10#SGPO 10#GGPI 10#MONI 10#CGMI 5#CGMM 5#CGMR 5#CGSN 20#CIMI 5+CGACT 180+CGATT 180+CGDATA 20+CGDCONT 20+CGPADDR 20+CGQMIN 20+CGQREQ 20GM862-GPS Software User Guide1vv0300729 Rev. 4 - 24/01/07Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 8 of 111
2.3 Turning ON the GM862-GPSGM862-GPS Software User Guide1vv0300729 Rev. 4 - 24/01/07To turn on the GM862-GPS the pin ON# must be tied low for at least 1 second and then released.To check if power has raised it is possible to monitor the PWRMON line, when this line goes high themodule is powered on, but before it remains on the device needs other 900ms for software startup.Hence check the PWRMON line and 900 ms after its transition to high it is possible to release the ON#pin.When turning on the module, both devices (GSM and GPS) will be started.The GPS antenna will be supplied and the receiver will start the scanning activity to achieve the Fix.2.4 Turning OFF the GM862-GPSThe turning off of the device can be done in two ways:• by software command• by hardware shutdown (refer to Hardware User Guide)When the device is shut down by software command or by hardware shutdown, it issues to thenetwork a detach request that informs the network that the device will not be reachable any more.2.4.1.1 Software shutdown• Send command AT#SHDN• wait for OK responseThe device shuts down with the following sequence of activities:• Detach from the network• Module ShutdownIn the case of Network unavailability the detach will be attempted few seconds (typical 6secs).After this timeout the module will be shut down.Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 9 of 111
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esponse:+CCLK="02/11/07,13:24:47"OK
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5.6.4 GPS PARAMETERS SAVEGM862-GPS
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