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5°
2.5°
SLID/SKID INDICATOR
ADI
ROLL SCALE
CFO1101002_013
FLIGHT INSTRUMENTS
Volume 2 Flight Crew Operating Manual Sep 13/2004
11-01-06 CSP 100-6 REV 1
PRIMARY FLIGHT DISPLAYS (Cont)
DECLUTTER
De-clutter is used to clear all nonessential information from the PFD during aircraft upset or unusual attitudes.
When the pitch angle exceeds +30 or -20 degrees, or roll exceeds 65 degrees left or right, only the following information
is displayed on the PFD:
- Altitude
- Airspeed
- Attitude
- Vertical speed
- Heading indication
- FCC transfer indicator
When the pitch and roll limits are restored, the PFD resumes displaying all information.
Example of decluttered EADI in excessive roll
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CFO1101002_018
FLIGHT INSTRUMENTS
Sep 13/2004 Flight Crew Operating Manual Volume 2
REV 1 CSP 100-6 11-01-07
PRIMARY FLIGHT DISPLAYS (Cont)
Example of decluttered EADI in excessive pitch
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CFO1101002_019
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FLIGHT INSTRUMENTS
Volume 2 Flight Crew Operating Manual Sep 13/2004
11-01-08 CSP 100-6 REV 1
PRIMARY FLIGHT DISPLAYS (Cont)
ALTITUDE
Barometric altitude information on the PFD consists of:
- Altitude display and readout
- Preselect altitude
- Altitude alert
- Barometric pressure setting readout
- Minimum descent altitude (MDA)
The ADC calculates the pressure altitude and barometric corrected altitude. The altitude is preselected with the controls on
the FGP. Barometric pressure setting and DH/MDA is set through the REFS menu.
ALTITUDE DISPLAY
The altitude display is shown on the right side of the PFD as a moving tape with a fixed digital readout window.
The fine portion of the tape is marked and numbered every 100 feet. The coarse portion of the tape is used to assist the pilot
in altitude captures and gross altitude awareness and is not numbered. It is marked with large rectangles for increments of
1000 feet and small rectangles for 500 feet. The barometric altitude readout ranges from -1000 feet to 50 000 feet. The
digital readout in the fixed altitude window indicates the actual altitude.
00
4200
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350 16000
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3 00
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29.92 IN
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FLIGHT INSTRUMENTS
Sep 13/2004 Flight Crew Operating Manual Volume 2
REV 1 CSP 100-6 11-01-09
PRIMARY FLIGHT DISPLAYS (Cont)
ALTITUDE DISPLAY (Cont)
PRESELECTED ALTITUDE
The preselected altitude bug and digital readouts are set by using the ALT knob on the FGP. The preselect altitude is a reference
for the altitude alert and autopilot systems. If the spring operated ALT knob is pushed, the preselect altitude increments
are 100 feet or 10 meters. If the ALT knob is in the normal out position, the preselect altitude increments are 1000
feet or 100 meters. If a hundred foot value has been previously set, this will be reset to the next higher/lower thousands
value with the first rotation of the knob.
When BARO MIN is ON, the preselect altitude can be set at the value of BARO MIN. Rotating the knob one click counterclockwise
from the closest thousand food increment above the baro minimums will result in the altitude preselect being
set at the exact baro minimums. this allows leveling off at the exact non-precision approach minimums using the flight director
or autopilot on approach.
The cyan preselect altitude readout is displayed above the altitude tape and has a selection range of -1000 feet to 45 000
feet in increments of 100 feet.
The range of the metric preselect altitude is from -300 meters to 17 000 meters.
ALTITUDE ALERT MODES
The altitude alert functions in the acquisition, deviation, and tracking modes.
The preselect altitude bug will change color and flash when the altitude acquisition and deviation parameters are exceeded.
Aural alerts accompany the visual alerts for acquisition and deviation modes.
Pressing the ALT knob will cancel an altitude alert if active.
ACQUISITION MODE
Both preselect altitude bugs flash cyan and an aural “C-chord” tone is heard when the aircraft altitude is 1000 feet above
or below the preselected altitude.
DEVIATION MODE
When an altitude deviation of 200 feet or more above or below the selected altitude occurs, both preselect indicators flash
amber and the “C-chord” tone is heard.
TRACKING
Monitoring of the preselected altitude tracking is a function of the ADCs.
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