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EICAS Messages................................................................................................................03-05-01

Sep 13/2004 Flight Crew Operating Manual Volume 2 REV 1 CSP 100-6
03-00-01

INTRODUCTION
The indicating and recording system consists of components that record and display critical aircraft information and system operation. Aural and visual warnings are provided by the engine indication and crew alerting system (EICAS).
The EICAS provides the following functions:
-Automatic system monitoring
-Integration of system information
-Color logic for visual presentation of operating limits
-Aural alert warning messages
Information is provided on four liquid crystal adaptive flight displays (AFDs). Master warning and caution lights on the glareshield enhance the indication system. Aural signals are generated within the data concentrator units (DCUs) and are heard through the flight deck speakers and headsets.
The cockpit voice recorder (CVR) is a crash survivable device that stores up to 2 hours of voice recordings.
The maintenance diagnostic computer (MDC) is used to record engine and line replaceable unit (LRU) status and param-eters. MDC data can be downloaded for system diagnosis and fault identification.
Sep 13/2004 Flight Crew Operating Manual Volume 2 REV 1 CSP 100-6
03-01-01
ENGINE INDICATING AND CREW ALERTING SYSTEM (EICAS)
DESCRIPTION
The function of the EICAS is to display the engine instruments and give visual and aural crew-alert messages and real time interpretation of aircraft system operation.
Most EICAS information is normally displayed on the left and right multifunction displays (MFDs). Some display infor-mation is shown by default, other information is available through selection. The top half of the left MFD normally displays engine indications (EI) on the left, aircraft configuration (gear, flaps, spoilers, trim) in the middle, and Crew Alerting Sys-tem (CAS) messages on the right. The top half of the right MFD normally displays the summary synoptic page, but the electronic crew checklist can be selected. Maintenance diagnostic information can also be displayed in this area by main-tenance personnel. The bottom half of both MFDs can display navigation information or system synoptic pages as selected by the crew. Control of displayed information is provided by the MFD control panel (MCP) located on the center pedestal. A composite flight instrument/EICAS can be displayed in the event of display failure. Select PFD Rev or MFD Rev on the Reversion panel to access these displays. The FRMT button on the display control panel is used to select the SUMMARY synoptic page for display when PFD REV is selected on the reversion panel. The summary synoptic is only available when an on-side display is reverted.
　
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