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the reference altitude by ±200 feet, the
digits flash amber on black for 5 seconds
(Figure 16-16).
Barometric Setting
A box at the bottom of the altitude tape indicates
the current altimeter setting in inches of mercury
(or hectoPascals, if set to metric values)
(Figure 16-17). To adjust the setting, rotate the
BARO knob on the right side of each PFD bezel.
The BARO settings on the pilot and copilot
PFDs can be synchronized through the PFD
setup menu window.
NOTE
If pilot and copilot PFD barometric
settings differ by more than .02
inches (of mercury), the barometric
setting boxes on both displays appear
with amber digits. The baro settings
for both PFDs can be synchronized.
Barometric Altitude Minimums and
Alerting
For altitude awareness, a barometric minimum
descent altitude (MDA, or decision height) can
be set (Figure 16-18). When active, the MDA
is displayed in a box labeled “BARO MIN” to
the lower left of the altimeter and on the altitude
tape with a bug (once the altitude is within
range of the tape). This altitude can be adjusted
in the BARO MIN field in the timer/references
window from 0 to 16,000 feet (in 10-foot increments
when using the small FMS knob). The
MDA is reset any time the power is cycled.
Metric/Standard Units of Measure
After pressing the PFD softkey, an ALT UNIT
softkey appears. It allows the display of the
digital altitude and barometric pressure indications
in metric values: altitudes in meters
(MT) and barometric pressure in hectoPascals
(hPA). The altitudes appear in boxes above
the normal digital displays, which continue to
display in feet. The moving-tape display continues
to display in feet. The barometric pressure
box at the bottom of the display changes
to hPA indications.
4000 4000 4000
WITHIN 1,000 FT WITHIN 200 FT DEVIATION OF
±200 FT
Figure 16-16. Altitude Alerting Display
16-16 510OM-00
CITATION MUSTANG OPERATING MANUAL
BARO MIN
2000FT
2300
2100
2000
2200
30
22
50
40
29.92IN BARO MIN
2000FT
1900
1800
2000
00
2080
29.92IN BARO MIN
2000FT
1800
1700
1900
00
19
20
80
29.92IN
WITHIN 2500 FT WITHIN 100 FT ALTITUDE REACHED
BAROMETRIC
MINIMUM BUG
BAROMETRIC
MINIMUM BOX
Figure 16-17. Barometric MDA Displays
BARO MIN 1200FT ON
Figure 16-18. Barometric MDA Altitude
Alert Setting
DRAFT
Horizontal Situation Indication
Heading
The compass card appears with the current
aircraft magnetic heading under the white
pointer at the top of the compass card (Figure
16-19). Letters (N–S–E–W) appear at the four
cardinal points and numbers indicate degrees
at 30° intervals. Major tick marks are at 10°
increments and minor tick marks at 5°.
A digital readout of the current magnetic heading
appears in a black box with large white digits
immediately above the compass card pointer
(lubber). For additional course awareness, a
crosstrack error (XTK) indication appears
near the bottom of the HSI whenever using
GPS as the primary navigation source and
course deviation indicator (CDI) exceeds maximum
deviation.
Turn Rate Indication
When the aircraft is yawing or turning, a magenta
arc extends from the center pointer, left
or right (depending on the direction of turn),
a few degrees around the outer edge of the
compass rose, to indicate the heading the aircraft
will reach in 6 seconds (up to 24°). Two
tick marks on either side of the center pointer,
above the compass rose, indicate turn rate. If
the magenta arc extends to the second tick
mark (at 18° from center), a standard-rate turn
(360° in 2 minutes) is indicated. The first mark
indicates a half-standard-rate turn.
At rates greater than 4°/second, an arrowhead
appears at the end of the magenta trend vector
and the prediction is no longer valid.
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
16 15 14
13
9
10
11
12
16
14
15
13
9
10
11
12
TURN RATE INDICATOR
TO/FROM INDICATOR
COURSE POINTER
HEADING BUG
FLIGHT PHASE
SELECTED COURSE
TURN RATE/HEADING
TREND VECTOR
CURRENT HEADING
LUBBER LINE
SELECTED HEADING
CURRENT TRACK BUG
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CITATION MUSTANG OPERATING MANUAL 2(18)
