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22
Device Indicators
The AutoGRAPH-ST has three LEDs on the front side of the PCB intended to
indicate the device operation.
After installing a SIM card and connecting the battery, the device begins
operation: it turns on the GNSS receiver and starts searching for satellites.
After location acquisition, it calculates asset speed and sends collected data
to the customer using enabled services (GPRS, Email or SMS). After sending
data, the device switches to Standby mode until the next period of Operation
mode.
Indication of operation mode:
• The device is in Operation mode - Operation mode LED flashes red
once every two seconds.
Indication of GNSS receiver operation:
• Receiver is turned on - Operation mode LED is constantly red.
• Searching for satellites - GPS/GLONASS LED flashes green once every
second.
• Position is acquired - GPS/GLONASS LED flashes green once every
three seconds.
Indication of GSM modem operation:
•
GSM modem is turned off - GSM LED is off.
•
Transferring data - GSM LED frequently flashes blue.
TechnoKom © 2015
AutoGRAPH-ST
•
USER MANUAL
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