Others seem to be having trouble transmitting, but I go above and beyond. I have Echolink installed, using a Linux OS (Neon 5.17). Echolink runs through WINE. I have used Echolink with Ubuntu/WINE before with no trouble. Now, I can connect and hear other stations with no trouble. Firewall checks out fine. Headset is recognized. But I can't transmit, even to the Echo Test Link. FAQs say to go to Tools - Adjust Sound Device - Record to check to see that the mike isn't muted. However, when I click on either Record or Playback, no screen comes up. The Tools menu vanishes, and I just have the main screen. So, even though my Audio settings look OK in the System Settings screen, I'm not sure if Echolink has the mike muted - 'cause I can't get to that screen. So, any ideas?