Operation Manual

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4. Debugging and Testing
The EVB through USB to communicate，can use for phone call, connect internet, this
chapter will discuss in detail.
4.1 How to use USB cable to communicate
1） The communication methods for PC and BM816 is AT command，to test whether PC
successfully communicate BM816 by sending AT command.
2） Open HyperTerminal, choose AT port.
Picture 22: Choose the port for HyperTerminal
3） Choose baud rate 9600, choose none for flow control, other setting default. See
Picture 23