Title

• The Title shows the software version, Panadapter band the HUD is over and if available the status of the FlexControl lights.

Top

• The Radio selector popup allows you to choose different radios on your LAN and over SmartLink (R).
• Flashing Activity light shows connection with radio.
• ATU status light and Tune button.
• MOX button.
• S-Meter.
• Gear Icon Prefs button brings prefs window forward.
  
  Middle

• VFO (Slice) selector.
• Active VFO frequency in megahertz.
• Active VFO frequency stepper.
• Active VFO RIT/XIT buttons/indicators.
  
  
• Alternate VFO letter and frequency in megahertz.
• Alternate VFO frequency stepper.
• ActiveVFO Mode.
• Split popup.
• Master Volume stepper.
  
  
  Bottom
  

• The Band Buttons will cycle through your last 20 frequencies on that band.
  If you stop on any frequency for more than 60 seconds it will automatically be added to that band's stack.
  
  
  • Clicking on a band button will move the Panadapter the HUD is over to that band and set the Active Slice to the Band button stack frequency and mode.
  • <option> clicking on a band button will move the Panadapter the HUD is over to that band.
  • <command> clicking on a band button will bring up an editor for that band stack.
    
    
• Panadapter Bandwidth stepper.
  

Full Keyboard Access: To enable tabbing through all the HUD controls enable All Controls in the System Preferences... / Keyboard / Shortcuts panel.