Please connect according to the wiring method in the figure below.
1. Please connect FC to the Betaflight configurator.
2. Enable on the Ports page：
（1）MSP and Peripherals VTX（MSP+Displayport）of UART1.
（2）Peripherals VTX （TBS SmartAudio）of UART3
（3）Click save.
3. Please set the required OSD elements on the OSD page and save.
4.Open the CLI command line and enter the following commands.
（1）When using betaflight 4.4 and above firmware
Please enter the command：
set vcd_video_system = HD
set osd_displayport_device = MSP
save
（2）When using Betaflight 4.3.2 and firmware versions below.
Please enter the command：
set displayport_msp_serial = 0
set osd_displayport_device = MSP
save
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