The COM port 9-pin could not be set to VCC (5V power supply). Please check your cable or connected equipment.
不能将COM端口的第9 针脚色或者为VCC （5V电源）。请检查该COM接口的连接电缆及与之连接的设备。然后复位该设备或确认在工程的脚本设置中设置了5V电源。
Access via Bluetooth: After a connection to the VAS 5054a has been set up, the Bluetooth software provides a virtual serial COM port (Bluetooth serial port Profile).
通过蓝牙进入：当一个与VAS 5054a的连接建立后，蓝牙的软件会提供一个虚拟的串口。
After a connection to the VAS 5054a has been set up, the Bluetooth software provides a virtual serial COM port (Bluetooth serial port Profile).
当一个与VAS 5054a的连接建立后，蓝牙的软件会提供一个虚拟的串口。
After a connection to the VAS 5054a has been set up, the Bluetooth software provides a virtual serial COM port (Bluetooth serial port Profile).
当一个与VAS 5054a的连接建立后，蓝牙的软件会提供一个虚拟的串口。
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