Rainbow Electronics GM862-QUAD-PY - Manual (Page 426)

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 426 of 434
$GPSCON - Direct Access to GPS Module SELINT 0 / 1 / 2
AT$GPSCON
Execution command allows to set the GSM baseband in transparent mode
in order to have a direct access to the serial port of the GPS module. The
GSM module will transfer directly the received data to the GPS module,
without checking or elaborating them.
Note: the new setting is stored through $GPSSAV
Note: the command is usable only in “controlled mode”.
Note: in case of an incoming call from GSM, this will be visible on the RING
pin of serial port.
Note: the escape sequence is “+++”
Note: the Serial Port Speed can be maximum 38400 bps
AT$GPSCON=? Test command returns the OK result code
3.5.7.11.13 Set The GPS Module In Programming Mode - $GPSPRG
$GPSPRG - Set The GPS Module In Programming Mode SELINT 0 / 1 / 2
AT$GPSPRG
Execution command allows to switch on the GPS part in BOOT mode and
set the GSM processor in Transparent Mode, in order to permit the re-
programming of th GPS flash memory.
Note: the escape sequence is “+++”
Note: it is possible to issue $GPSPRG only if the Serial Port Speed is fixed
38400 bps
AT$GPSPRG? Read command has the same effect as Execution command.
AT$GPSPRG=? Test command returns the OK result code
3.5.7.11.14 Set The GPS Module In Power Saving Mode - $GPSPS
$GPSPS - Set The GPS Module In Power Saving Mode SELINT 0 / 1 / 2
AT$GPSPS=
[,]
Set command allows to set the GPS module in Power saving mode.
Parameters:
- the GPS receiver can operate in three modes
0 - full power mode, power saving disabled (default); it is the standard
operating mode; power is supplied to the receiver continuously and the
GPS receiver continues to operate without an interrupt.
1 - tricklepower mode; the power to the SiRF chipset is cycled
periodically, so that it operates only a fraction of the time; power is
applied only when a position fix is scheduled.
2 - push-to-fix mode; the GPS receiver is generally off, but turns on
frequently enough to collect ephemeris data to maintain the GPS1 real-