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Summary of Contents for trig TT31
- Page 1 TT31 Mode S Transponder Operating Manual 00454-00-AA 1 September 2006 Trig Avionics Limited Heriot Watt Research Park Riccarton, Currie EH14 4AP Scotland, UK © Copyright 2006...
- Page 2 Front Panel Display The display shows the operating mode of the transponder, the reported pressure altitude, and the current squawk code and Flight ID. The reply indicator is active when the transponder replies to interrogations. The pressure altitude is displayed as a Flight Level, which is the pressure altitude in hundreds of feet.
- Page 3 Push Buttons IDENT Press the IDENT button when ATC instructs you to “Ident” or “Squawk Ident”. This activates the SPI pulse in the transponder replies for 18 seconds. IDENT will appear in the display. FUNC Pressing the FUNC button provides access to the flight timer, stopwatch and altitude monitor function.
- Page 4 Low Temperature Operation The TT31 is certified to operate correctly down to -20C, but at low temperatures the display may be impaired. On a cold day you may need to wait for the cockpit to warm up to ensure normal operation.
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