I am trying in vain to write to a bluetooth serial port, both echo and screen to /dev/tty.Bluetooth-Incoming-Port have caused the terminal to be stuck and not respond. I have found out through guides online that there used to be an option to access serial port settings in the System Preferences > Bluetooth.

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Whilst for me this is all the gets displayed. I'd like to access it as it might help me with further debugging, but it seems that functionality has been removed. Thanks for any help.

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