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9
The vehicle speed can be read from the pulse signal from the vehicle, a CAN port or
GPS, for detailed settings see section 4.
Standard size SIM card:
Check the SD card’s write protection switch, which should be in the “on” position.
2.3 Speed Signal & Serial Ports
2.4 Install SIM & SD Cards
VT3000-AI INSTALLATION GUIDE
Check “write enable”
of SD Card
