Check The Vehicle State; Reset Hardware; Sleep Mode; Sleep By Time - Coban GPS304 User Manual

6.26 Check the Vehicle State

Send SMS command "check+password" to the tracker device in the vehicle, It will reply the
status of the power, battery, GPS, ACC, door, GSM signal, GPRS status and oil to the authorized
numbers.
For example: Send SMS "check123456" to the tracker device in the vehicle, It will reply
following SMS.
Power: ON/OFF
Battery: 100%
GPRS: ON/OFF
GPS: OK/NO GPS
ACC: OFF/NO
GSM Signal: 1-32 The higher digit it shows; the stronger of GSM signals it receives.

6.27 Reset Hardware

Send SMS "reset+password" to tracker device, it will reply "reset ok". And the GSM module and
GPS module in the tracker will be reset.

6.28 Sleep Mode

6.28.1 Sleep by time

Send SMS command "sleep+password+space+time" to tracker device, tracker will reply "sleep
time ok" if none of the alarms has been set and no operations, tracker will fall asleep in 5 minutes,
GPS module shuts down, LED will be off ,calling or SMS can awake the tracker. If these alarms
have been set, tracker will sleep by detecting shock sensor. (This mode only works under SMS
mode)
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