T-45A UJPT, E2-C2, ADV, & IUT Eng-19
Flight Instruments
g.
Four warning flags
(1) OFF flag indicates power loss to
HSI, fault in HSI internal power
supply, or invalid information from
SAHRS/NGS
(2) With ILS selected, GS flag
indicates unreliable GS signal
(3) NAV flag indicates invalid or
absent signal from selected
TACAN, VOR, or ILS transmitter
(4) TACAN range warning flag
(horizontal bar over numbers)
indicates invalid DME signal or
TACAN system - OFF
h.
Course pointer
i.
TO/FROM flags
j.
Deviation scale
NOTE: DOT=5 degrees TACAN/VOR;
DOT=1 1 degrees ILS.
k.
Compass card
l.
Lubber line
m. Aircraft symbol
3.
Controls/switches/indicators
a.
Course (CRS) set knob used to set
course in COURSE window and drives
course pointer to selected course on
compass card
NOTE: The cockpit, having NAV
control, also controls course display of
cockpit not having control.
Page 19-16
(8-03) Original
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