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Shows operating mode, pressure altitude, squawk code, and Flight ID. Reply indicator active when responding.
Controls power and operating mode (OFF, SBY, GND, ON, ALT) for transponder functions.
Details functions of IDT, FN, VFR, and ENT buttons for transponder control and data entry.
Used to set squawk codes and Flight ID, with specific codes and their meanings listed.
Explains the temperature-dependent altitude encoder and potential delays in cold weather.
Transponder operates down to -25C, but display may be impaired at low temperatures.
Monitors ADS-B position data transmission, indicating valid or invalid position sources.
Describes transponder warnings, their display, and actions to take for troubleshooting.
Explains 'FAULT' indications for catastrophic failures and recovery steps.
General| Brand | trig |
|---|---|
| Model | TT21 |
| Category | Marine Radio |
| Language | English |
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