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Page Title:
Pilot's and copilot's EFIS TEST switches |
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 TM 1-1510-223-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
PRIOR TO MAINTENANCE TEST FLIGHT (CONT)
g.
Multifunction display - Wait for INS
LOADING message to extinguish.
INS
LOADING message will extinguish after 6 to
8 minutes. Complete autopilot/flight director
check while waiting.
NOTE
While the INS LOADING message is illuminated on
the multifunction display, the functions on the
FLIGHT PLAN, NAV SETUP, ROUTES, TACAN
LIST, INS SETUP, INS UPDATE STATUS,
MONITOR, SYSTEM BIT - INS, and ASE RTU pages
are inhibited.
h.
Autopilot EFIS selector switch (above pilot's
ADI) - AP EFIS 1.
*33.
Pilot's and copilot's EFIS TEST switches -
Depress. Verify the following indications:
a.
Radio altimeter - Slews to 100 10 feet.
b.
EADI - DH display replaced with dashes.
c.
EHSI - CRS select, HDG select, and GSPD
displays replaced with dashes.
d.
Caution and warning flags - All will be in
view.
e.
Pitch and roll command cue - Out of view.
f.
Verify that audio alarm occurs within 5 to 6
seconds.
2-16
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