TKSTAR TK909 User Manual page 3

Open the rubber cover on the side of device ,insert the sim card into sim card slot , i
f you have purchased a
MICRO SIM , you will need to use the Micro SIM adapter enclosed, like this:
2.2 USE THE GPS DEVICE
Turn on the unit outdoors by insert sim card, 
In 10 or 40 seconds, the unit will begin to work and acquire the GSM signals as well as the GPS signals.
The indicator will keep flashing every 3 seconds when the unit has received the signals.
When this unit receives GPS signals normally, you can use it and do any setting as the instructions of this
manual.
Turn off the unit by taking away sim card.
2.3 EXPLANATION OF PARAMETERS/CODES IN SMS MESSAGE
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