Chapter 7
Annex
7.1
Firmware update
7.1.1
By serial port
Condition
–
The serial port is accessible after removing the lid covering the SIM card holder.
–
Maestro Wireless has given you a serial port adaptor that will be hooked up to the MicroTracker.
Procedure
1. Load the .dwl file of the desired version into designated directory
2. Launch the HyperTerminal program on a PC running Windows XP, or with HyperTerminal software
3. Configure the right COM port number, Baud rate = 115200, Character Framing = 8N1, hardware flow
control
4. Send command AT to check if OK response
5. Send AT+WOPEN=0 to stop the software execution. It should reply OK
6. Send command AT+WDWL to activate download mode. It should reply +WDWL:0
7. Pull-down menu: Transfer -> Send
8. Browse the directory and select the .dwl file
9. Select Xmodem protocol
10. Push SEND button. Download begins
11. After download finishes, send AT+CFUN=1 command to reset the unit
12. Send AT+WOPEN=1 to start the software execution. It should reply OK
7.1.2
DOTA process
Condition
–
A valid SIM Card is placed into the device and device can register to GSM network
–
Device can use GPRS provided by the network
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