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General Service Informations

  • I think I have encountered a defect an need repair, what do I do?
  • Where do I find manuals for your products?

AIR Traffic and AIR Traffic Displays

  • ★ AT-1 error message: "Firmware Expired"
  • ★ My ATD shows "Waiting for traffic receiver"
  • Bearingless targets (Mode-S targets) and their distance
  • AIR Traffic Display: Target Identification
  • AT-1 Update: WiFi no longer working
  • I get traffic warnings from a towed aircraft in a tow plane
See all 19 articles

COM and Transponder: AIR COM, AIR Control Display, and VT-01

  • The error message APTDB EXP appears in my ACD-57
  • An error message XPDR WARN CONNECTION CODE 00002000 appears
  • A message LOSTCTRL appears in the ACD
  • AIR Com and Microphones
  • The altitude of my transponder transmission shows a red cross in the ACD-57
  • Control of radio and transponder via third-party devices
See all 12 articles