PRIMUS
r
1000 Integrated Avionics System
A28--1146--112--00
Electronic Flight Instrument System (EFIS)
4-62
D
Course Select Failure
-- Failure of the course select signals,
replaces the display with amber dashes and removes the course
pointer from the display. This indication is also given in the event of
an invalid heading display or FMS source.
D
Flight Director (FD) Failure
-- In the event of a flight director failure,
an amber FD FAIL is displayed in the lateral mode annunciation box,
and the flight director mode annunciations and cue are removed.
D
Radio Altimeter Failure
-- In the event of a failure of the radio
altimeter, an amber RA replaces the digital radio altitude value.
D
Vertical Deviation Failure
-- An invalid condition or failure of the
radio source driving the vertical navigation scale is shown by
removing the deviation pointer and displaying a red
X
through the
scale deviation dots, as shown in figure 4--35. The scale and pointer
are removed for invalid FMS data.
D
Distance Display Failures
-- Failure of either the DME or FMS
distance signals is indicated by replacing the digital distance value
with amber dashes.
D
Course Deviation Failure
-- An invalid condition or failure of the
course deviation data is shown by removing the deviation bar and
displaying a red
X
through the scale deviation dots, shown in figure
4--35.
