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Primary Flight Display
Pilot’s and Copilot’s Instrument Panels
Vol. 1 12--20--4
FLIGHT INSTRUMENTS
Electronic Flight Instrument System Sep 09/02
Flight Crew Operating Manual
CSP C--013--067
B. Display Control
Two display control panels are installed in the flight compartment. One panel is installed
on the pilot’s side panel and the other panel is installed on the copilot’s side panel.
Each panel provides the pilot and copilot control of their respective PFD and MFD.
The control selections are as follows:
S MFD format selection
S Bearing pointer selection
S Navigation source selection
S Cross side navigation data and course display
The rotary FORMAT knob can be used to select one of the following navigation formats:
S HSI compass
S Navaid sector map
S TCAS
S FMS present position map
S FMS plan map
S Weather radar
Vol. 1 12--20--5
FLIGHT INSTRUMENTS
Electronic Flight Instrument System REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
Display Control Panel <2040>
Figure 12---20---4
TFC (TCAS)
Used to directly select
TCAS traffic display on
MFD. Range selections
are 5, 10, 20 and 40 NM.
RANGE -- Inner Selector
Used to select range displayed
on MFD. Range selections are:
5, 10, 20, 40, 80, 160, 320 and
640 NM.
FORMAT -- Outer Selector
Used to select MFD format.
Format selections are
HSI compass, navaid sector,
present position map (PPSN),
plan map, TCAS and weather
radar.
BRG
Used to select next
waypoint that
bearing pointer will
indicate direction to.
NAV SOURCE
Used to select navigation source.
Clockwise rotation will be FMS1,
VOR/LOC1, OFF, VOR/LOC2 and
FMS2.
Display Control Panel
Pilot’s and Copilot’s Side Panels
PUSH X--SIDE
Used to display
opposite side
navigational
source on MFD.
RDR / TERR
Used to select weather
radar display, terrain
display or both.
If one display control panel fails, the other panel can be used to control all four
electronic flight displays. This is done by selecting the DSPL CONT knob, on the
Source Selector Panel, to the 1 or 2 position as required.
Source Selector Panel
Figure 12---20---5
Source Selector Panel
Centre Pedestal
Vol. 1 12--20--6
FLIGHT INSTRUMENTS
Electronic Flight Instrument System Sep 09/02
Flight Crew Operating Manual
CSP C--013--067
Display Control Source Indications <1015>
Figure 12---20---6
Primary Flight Display
Pilot’s and Copilot’s Instrument Panels
Multifunction Display -- HSI Mode
Pilot’s and Copilot’s Instrument Panels
Vol. 1 12--20--7
FLIGHT INSTRUMENTS
Electronic Flight Instrument System Sep 09/02
Flight Crew Operating Manual
CSP C--013--067
Display Control Source Flags <1015>
Figure 12---20---7
Primary Flight Display
Pilot’s and Copilot’s Instrument Panels
Multifunction Display -- HSI Mode
Pilot’s and Copilot’s Instrument Panels
DCP, DCP 1 or DCP 2 Flag (red)
Indicates that selected display control
panel has failed.
Vol. 1 12--20--8
FLIGHT INSTRUMENTS
Electronic Flight Instrument System REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
C. Comparator Function
A comparison of displayed data is performed by each PFD to ensure that the same
data is shown on both PFDs. Comparison of roll, pitch, heading, altitude and airspeed
information is performed continuously. Comparison for radio altitude, flight director
pitch, ILS localizer and ILS glide slope are performed during precision landing. When a
miscompare condition is detected, the miscompare indicator on both PFDs will flash
amber for 5 seconds then come on steady, as long as the miscompare exists. An EFIS
COMP MON caution message is also displayed on the EICAS primary page.
If the comparator monitor function is not available, an EFIS COMP INOP caution
message is displayed on the EICAS primary page.
Comparator Indications
Heading (HDG) --- The HDG indicator will display when the attitude is < 20
degrees and the difference is > 6 degrees.
Roll Attitude (ROL) --- The ROL indicator will display when the difference is > 4
degrees before glideslope capture, and 3 degrees after.
Pitch Attitude (PIT) --- The PIT indicator will display when the difference is > 4
degrees before glideslope capture, and 3 degrees after.
Indicated Airspeed (IAS) --- An IAS difference of > 10 knots with the IAS > 90
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