https://electronics.stackexchange.com/questions/462754/how-to-send-the-key-sequence-ctrl-q-to-a-serial-port https://forums.ni.com/t5/LabVIEW/How-do-i-send-a-quot-Ctrl-C-quot-character-to-serial-port-RS232/td-p/24213?profile.language=en https://duckduckgo.com/?q=termite+ctrl-q&t=canonical&ia=web