User's Manual

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11. In [HyperTerminal] window, type in the command "AT$VERSION?" and press
the Enter key. The hardware and firmware version will show. As long as your
[HyperTerminal] window appears as the screenshot below, a connection
between the device and your system has already been built up and working. It
is time to send all configuration commands.
3.2 Communication Settings
The CAREU U1 PLUS Vehicle Tracker communicates with your control center by
either SMS or 2G/3G (TCP/UDP). Before the device is installed into a vehicle,
communication parameters should be set.
1. SMS Configuration
Use AT$SMSDST command to set a SMS control center phone number or short code.
For example, if the SMS control center phone number is [phone], the
AT$SMSDST command to be issued into HyperTerminal should be:
AT$SMSDST=[phone]
OK