Display Selector (DSPL SEL)

TEST (spring-loaded to TK / GS) –

  • All lights in data displays and on the mode selector unit momentarily illuminate, followed by a ten second self-test
  • Use only during alignment. TK/GS – Left window displays true track (course)
  • Right window displays present ground speed (knots).

PPOS – Left window displays present latitude

  • Right window displays present longitude.

WIND – Left window displays present inflight true wind direction

  • Right window displays present inflight wind speed (knots).

HDG / STS – Left window displays present true heading

  • Right window displays any applicable maintenance status codes
  • During alignment, right window displays minutes remaining until alignment is complete. For alignments greater than 15 minutes, the window displays 15 until the time remaining reaches 14 minutes. The display then counts down in one minute intervals.

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