Assign specific functions to the physical buttons on the side of the radio (e.g., Monitor or Scan).
Set sub-audible tones if you want to block out transmissions from unwanted users on your channel. "Dec" handles your incoming squelch code, while "Enc" transmits your code to open others' squelch. Optional Feature Tweaks
Allow Windows Update to find the correct driver (Prolific or FTDI).