Comp Caution And Warning Displays - Honeywell SPZ-8000 Maintenance Manual

2. D.
(4) (m) Navigation Preview Mode - The crew has the capability to
preview other navigation sources simultaneously with the active
NAV
source. This mode is selected through the display
controller as
shown
in Figure 218. When active, a ghosted (dim
white-dashed lines)
course/CDI is presented on the compass
rose. Additionally, a
preview mode annunciation box is brought
up on the display centered between the weather
mode box and the
SAT/TAS and GSPD box. This box contains the previewed NAV
source label, course select readout, and distance display. All
previous discussion of these modes for the compass format apply
with the exception of color. All preview mode associated
displays follow the convention of using dim-white, dashed lines
with dim-white digital readouts.
(5) COMP Caution and Warning Displays
(a) IRS Failures and Flags - Failure of the displayed heading from
the IRS is shown by removing the bearing pointers, course
pointer/deviation bar, wind display, and TO/FROM indicator.
The digital heading readout is replaced by amber dashes.
Additionally, a red HDG FAIL label is displayed below the
lubber line as shown
in Figure 219.
lRS test
mode is shown with the label HDG TEST in the same
location as the fail annunciation discussed above (Figure 216).
(b) Heading Select Failure - Failure of the heading select signals
will cause the digital display to be replaced by amber dashes
with the heading bug removed from the display. This indication
will also be gi~en in the event of an invalid
(Figure 219).
(c) Course Select Fai1ure - Fai1ure of the course
will cause the digital display to be replaced
with the course pointer removed from the disp'
indication will also be given in the event of
heading display or FMS source (Figure 219).
heading display
select signals
bv amber
a~. Thi
an
inval
(d) Course Deviation Failure - A failure of the course dev.
indicator is shown by removing the deviation bar and d"
a red "X" through the deviation dots (Figure 220).
dashes
d
ation
splaying
22-14-00
Page
252
Aug 15/91
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