Furious FPV Fortini F4 OSD - STEP 3: Go to Configuration tab and choose ESC;Motor protocol; STEP 4: Select Serial- based receiver in Receiver Mode

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 Select TBS Smartaudio for TBS Unify Pro VTx
* NOTE: Please make sure that all the connections are correct.
STEP 3: Go to Configuration tab and choose ESC/Motor protocol in ESC/Motor Features
STEP 4: Select Serial- based receiver in Receiver Mode