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The digital readout corresponding to the pointer position is
provided and located to the upper left of the compass arc. The
data is labeled CRS forSRNs and DTRK for FMS.
The pointer,
deviation indicator, and digital readouts are green
for SRN
sources and
cyan for FMS.
The center of the course select knob
contains a button labeled SYNC. Selection of the SYNC button
causes the course pointer to align with the bearing of the
selected
NAV source causing the deviation bar to center. The
SYNC mode is
only operational when the displayed navigation
source is
VOR.
The scaling for
course deviation for each displayed parameter
is as
follows:
SRNS 75 flldot
FMS 2.5 miles/dot
FMS AW 0.75 miles/dot
2. C. (4) (g) Distance Display -
The distance display indicates the nautical
miles to the selected DME station or FMS waypoint. The
distance display is located to the upper right of the compass
arc.
The data is labeled DME (Figure 207) for SRN sources and
NM (Figure 203) for FMS.
The digital display color is
consistent with the course select pointer (i.e., green for SRNS
and cyan for FMS).
DME hold is indicated by displaying an
amber “H” adjacent to the distance readout (Figure 207).
(h) NAV Source Annunciations
- Annunciation of the navigation
source is displayed in the upper right-hand corner of the
(i)
compass arc
the ability
given insta-
Figure 207.
the pilot’s
annunciated
TO/FROM Ind
of the HSI.
directly above the distance readout. The crew has
to select all navigation sources available in any
lation through the display controller as shown in
The labels are normally displayed in white. When
and copilot’s source are the same, they are
on both displays in amber.
cater - A magenta arrow head appears in the center
oriainatinq at the fixed aircraft symbol nose or
tail as appropriate. The arrow indicates whether the selected
course will take the aircraft TO or FROM the station or
waypoint.
The TO/FROM annunciator is not in view during
localizer operation.
22-14-00
Page 222
Aug 15/91
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