It turns out that another application on my Mac, Suunto Moveslink, grabbed the serial port /dev/tty.usbserial-DN00WN4G as soon as the device was inserted. I turned off the Moveslink app and all is wel

Craig- Thanks! I double checked and do not have the FTDI drivers installed. I did boot into my Bootcamp partition and all is well with the ThumbDV in Windows. I'd prefer to run MacosX, however. Contin

Lyn- Thanks for the quick reply. I'm running Sierra release 10.12.3 (notice you're running beta -- very brave). Buster finds my serial port, but when I switch from the default 230400, I get beachball,

I’ve just received the ThumbDV from NW Digital Radio. I’m trying to use Buster, but when I select the serial device representing the ThumbDV and try to set the port speed to 460800, buster locks up. I