User guide

500151R07
DAVISCOMMS (S) PTE LTD
Daviscomms Confidential Page 24 of 39
6. Application examples
6.1) Example 1
Retrieving GPS data remotely on the MTD1000 without the use of a SIM card
You may download the GPS data readings directly from the MTD1000 via hyper terminal to your PC.
The readings will be captured in a text file format which can be later used to map out the coordinates
on your GPS application map.
Setup:
Voltage value to trigger the MTD1000 to start collecting GPS data.
Assign:
AT$FE=2,1,268 // If external power supply 2nd flag is set at 8V to
trigger
Or
AT$FB=5,1,684 // If battery 5th flag is set at 3.8V to trigger
Set the MTD1000 to start collecting data:
AT$ED=1,1,”E02”,”E02” //When the external power supply is turned on
Or
AT$ED=1,1,”B10”,”B10” //When the battery is plugged in
Set the MTD1000 to start saving data to logging memory every 3 minutes after the external power is
turned on or the battery is plugged in.
Assign
AT$EE=1,1,1,”$SRS=’Data’&’C1 S0’&180&0” //To save data
Set the MTD1000 should stop collecting GPS to be stored in its logging memory in the following
conditions:
Assign:
AT$ED=2,1,”E02”,”E00” //To check if the external power supply is turned off
Or
AT$ED=1,1,”B10”,”B00” //To check if the battery is taken out
Or
AT$EE=2,1,2,”$SRS=’Data’&’C1 S0’&3&1” //To stop to save data to logging memory after the
external power is turned off or the battery is taken
out.
Connect the MTD1000 to your PC after you have collected the GPS data remotely.
Run Hyper Terminal and click the “Transfer” at menu, select “Capture Text”.
Decide where you save your data and what name for the data document.
In hyper terminal, click “Start” to be ready for data to be saved
In hyper terminal key in AT$MD=1 to dump the GPS coordinates to the location on your PC.
The data will scroll out at the hyper terminal screen.
To click the “Transfer” at menu, select “Capture Text” and “Stop”. The data has been saved to your
file. You may look into your file for tracking information.