2. D. (2) (d)
(e)
(f)
(9)
Heading MAG/TRU Annunciations
- The heading
source for this
display is the same IRS
source which drives the on-side PFD.
The MAG/TRU reference label is not displayed if the selected
source is the normal on-side condition.
For on-side true data,
a white TRU is displayed to the right of the heading digital
readout (Figure 212).
Cross-side data is displayed in white as
MAG or TRU with the side designator 1, 2, or 3 as appropriate.
When the pilot and copilot source are the same, they are
annunciated on both displays in amber.
Heading Bug with Readout -
The notched magenta heading bug is
positioned around the rotating heading dial by the heading
select knob located on the flight guidance controller. A
digital heading select readout of bug position is provided and
located at the top of the
WX mode annunciator box (lower left
corner).
This data is labeled with a white HDG.
The digital
readout is displayed in magenta corresponding to the heading
bug color. The center of the heading select knob contains a
button labeled SYNC.
Selection of the SYNC button causes the
heading bug to align with the current aircraft heading.
NAV Source Annunciations
- Annunciation of which FMS is driving
the displayed flight plan data is located in the upper right-
hand corner of the ND.
The pilot’s source is FMS1 when his
active navigation source is any SRN or FMS1. When FMS2 is
selected as the active NAV source, the map source also becomes
FMS2. The copilot’s map source is FMS2 when his active
navigation source is any SRN or FMS2. When FMS1 is selected as
the active NAV source, the map source also becomes FMS1. These
selections are made through the display controller as shown in
Figure 207.
When the pilot and copilot map sources are the
same, the source label is displayed on both NDs in amber.
Bearing Pointers with Annunciation - Each pilot can display up
to two bearing pointers on the map arc simultaneously. The
bearing pointers are distinguishable by shape (circle or
diamond) and color (white or yellow). Each bearing pointer
source is labeled and displayed in the lower right-hand corner
of the HSI. The circle pointer is always displayed
positionally above the diamond pointer. Bearing source
selections are made using the display controller as shown in
Figure 212.
22-14-00
Page 237
Aug-15/91
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