Update: I received a new unit and I have the exact same problem, e.g., COS shows being keyed but LED doesn't light up, PTT test in simpleusb-tune-menu returns audio with red flashing PTT, and I'm not able to use parrot, go to another's node, etc.
Update: I received a new unit and I have the exact same problem, e.g., COS shows being keyed but LED doesn't light up, PTT test in simpleusb-tune-menu returns audio with red flashing PTT, and I'm not able to use parrot, go to another's node, etc.