Firmware Update (LOAD)
AT240 firmware can be updated over GPRS with this command. The firmware files must first be
loaded onto a webserver in the correct format. Please contact Astra Telematics for support and
assistance on remote firmware updates.
$LOAD,<host-ip-address>,<port-number>,<pathname>,<filename><CR><LF>
Reboot (BOOT)
Trigger a device reboot.
Firmware Version (ATSW)
Returns the device firmware version
IMEI Query (IMEI)
Returns the device IMEI
Status Check (STAT)
See Appendix
Parameter Check (PARA)
See Appendix
Position Check (POSN)
A device location can be queried from a mobile phone etc. using the POSN command. The reply
will be formatted as a link to google maps, which can be viewed directly from a mobile telephone
handset.
$POSN,<map_type>,<zoom>
<map_type> ‘m’ = map, ‘k’ = satellite, ‘h’ = hybrid
<zoom>
1-20, 20=maximum zoom in, 1=maximum zoom out
The parameters are optional. The $POSN command alone will give a position link with map view
at zoom level 10.
Format of the POSN response:
POSN:<IMEI>
DD/MM/YYYY HR:MIN:SEC
http://maps.google.co.uk/?q=AT240@<latitude>,<longitude>&t=<map_type>&z=<zoom
>
Diagnostics (DIAG)
Engineering diagnostics facilities:
$DIAG,1
GPS reset
$DIAG,2
Modem reset
$DIAG,3
RESERVED
$DIAG,4
Load defaults settings
$DIAG,5
Ignition (mode 3) recalibrate
$DIAG,6
check battery and ext voltage (and debug to RS232)
$DIAG,7
recalibrate accelerometer at rest values
$DIAG,8
RESERVED
$DIAG,9
RESERVED
$DIAG,110
recalibrate fuel level / consumption interpolation
Erase Stored Reports (ELOG)
Erase stored reports from non-volatile (flash memory). If no argument is specified, all reported
will be deleted, otherwise the specified number will be deleted (oldest first).
Non-volatile Set (NVST)
Initialise runtime and lifetime odometer. If the NVST command is submitted without parameters,
both values are initialised to zero.
