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
- AIR COM Wiring: What is the best way to run the power supply?
- My Becker AR/RT6201 is quiet or too loud
- Can I power an ACD twice?
- What is the difference between ICAO address and Flight ID?