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Figure 02--40--2 Maintenance Main Menu EICAS Page 02--40--4
Figure 02--40--3 MDC Fault Indication 02--40--5
Figure 02--40--4 Data Loader Unit 02--40--6
AURAL/VISUAL INDICATING AND Vol. 1 02--10--1
RECORDING
Introduction Sep 09/02
Flight Crew Operating Manual
CSP C--013--067
1. INTRODUCTION
The indicating and recording systems consist of components that provide visual indications
of system operation and to record aircraft information.
Data from the aircraft systems and the full authority digital engine control (FADEC) on each
engine is received and processed by two data concentrator units (DCU) located in the
avionics compartment. The DCUs provide information to the engine indication and crew
alerting system (EICAS). Master warning and caution lights on the glareshield enhance the
indication system. Audio signals are generated within the DCUs and are heard through the
flight deck speakers.
The DCUs also provide interface with the flight data recorder system (FDR), the lamp driver
unit (LDU) and the maintenance data computer (MDC) via the integrated avionic processor
(IAPS).
AURAL/VISUAL INDICATING AND Vol. 1 02--10--2
RECORDING
Introduction REV 1, Jan 13/03
Flight Crew Operating Manual
CSP C--013--067
Aural/Visual Indicating and Recording Schematic
Figure 02---10---1
MFD
LEFT
FADEC
AIRPLANE
SENSORS AND SWITCHES
EICAS
DISPLAY 1
EICAS
CONTROL PANEL
RIGHT
FADEC
EICAS
DISPLAY 2
DATA
CONCENTRATOR
UNIT
(DCU 2)
MFD
DATA
CONCENTRATOR
UNIT
(DCU 1)
INTEGRATED
AVIONICS
PROCESSOR
(IAPS)
AURALWARNING
MASTER WARNING
MASTER CAUTION
FLIGHT DATA
RECORDER
LAMP
DRIVER UNIT
X TALK
MDC
AURAL/VISUAL INDICATING AND Vol. 1 02--20--1
RECORDING
Engine Indicating and Crew Alerting System REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
1. ENGINE INDICATING AND CREW ALERTING SYSTEM
The engine indicating and crew alerting system (EICAS) provides the crew with two
electronic displays to monitor engines, control surfaces and all major aircraft systems. The
EICAS system also provides the crew with alerting system messages that are posted on the
EICAS displays in the form of warning, caution, advisory and status messages. All warning
and caution messages will also illuminate the MASTER WARNING or MASTER CAUTION
lights on the glareshield. Some crew alerts are also accompanied by aural tones and voice
advisories. The EICAS system can also illuminate switchlights on specific system control
panels to provide component/system status or to prompt corrective crew action.
The EICAS system consists of the following:
S Two EICAS displays on the center instrument panel -- Used to display system information
and status.
NOTE
The EICAS displays are referred to as EICAS Display 1 (ED1)
and EICAS Display 2 (ED2). ED1 is on the left and ED2 is on
the right. The information that is shown on each display is
referred to as a page. In normal configuration, the Primary
page is shown on ED1 and the Status page is shown on ED2.
S EICAS control panel on the center pedestal -- Used to select which EICAS page, (primary
page,status page, synoptic pages or menu page) is to be shown on ED2. The panel is
also used to display additional caution and status messages on ED1 and ED2.
S Engine/Miscellaneous test panel on the center pedestal -- Used to perform tests of the
annunciator lights, set annunciator light levels, record specific flight data events and
synchronize the engines N1 or N2.
S Display reversion control panels on the pilot’s and copilot’s side panel -- PFD position --
puts the primary flight display (PFD) information on the pilot’s or copilot’s multifunctional
display (MFD). EICAS position -- makes all EICAS information available on the pilot’s or
copilot’s MFD.
S EICAS selector on the center pedestal SOURCE SELECTOR PANEL -- Used to select
where the EICAS information will be displayed. The information can be displayed on ED1
and ED2, or all the EICAS information can be displayed on either ED1 or ED2.
S MASTER WARNING and MASTER CAUTION switchlights on the glareshield. -- Illuminate
when a warning or caution is detected by the data concentrator units (DCUs).
S Lamp driver unit, located in the avionics compartment -- Used to control and test flight
compartment annunciator lights.
S Data concentrator units located in the avionics compartment -- Used to process data and
transmit the applicable data to the EICAS displays, flight data recorder and lamp driver
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