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(DUs).
The ECAM DUs are controlled through the ECAM control
panel.
DMC
DMC : Display Management Computer.
The Display Management Computers process data in order
to generate codes and graphic instructions
corresponding to the image to be displayed.
Note the particular role of DMC 3 which can be switched
instead of DMC 1 or DMC 2.
Each DMC can process three displays : PFD, ND and upper
or lower ECAM display.
FWC
FWC : Flight Warning Computer.
The Flight Warning Computers monitor the aircraft
systems. These computers are the heart of the ECAM
system.
Each FWC generates all warning messages to be displayed
and supplies the attention getters. It also computes
the flight phases and provides aural warnings.
SDAC
SDAC : System Data Acquisition Concentrator.
The System Data Acquisition Concentrators receive
various signals from the aircraft systems and send
them to the FWCs and DMCs.
The SDACs acquire most of the signals used to display
system pages and used by the FWCs to generate amber
warnings.
INPUTS
The inputs received by the FWC are used to elaborate
red warnings.
Inputs corresponding to red warnings or essential
information are delivered to the FWC.
Various items of information which do not correspond
to a warning are directly given to the DMCs.
Various items of information for systems like engines,
fuel, navigation are directly sent to the DMCs.
The inputs received by the SDACs are used to elaborate
amber warnings.
Inputs corresponding to amber warnings are delivered
to the SDACs for acquisition. These signals will then
be sent to the FWC to generate warnings.
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EIS: EIS ARCHITECTURE
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SELF EXAMINATION
Which computer processes the warnings ?
A - SDAC
B - FWC
C - DMC
What is the basic role of the DMCs ?
A - They compute and generate displays.
B - They generate audio warnings.
C - They generate amber warnings.
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31 - INDICATING/RECORDING SYSTEMS
31-68-00 EIS: EIS TRANSFER
CONTENTS:
Normal Configuration
CAPT DMC Transfer
F/O DMC Transfer
CAPT PFD/ND Transfer
F/O PFD/ND Transfer
CAPT ECAM/ND Transfer
F/O ECAM/ND Transfer
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EIS: EIS TRANSFER
NORMAL CONFIGURATION
In normal configuration:
- Display Management Computer (DMC) 1 processes
the Captain Primary Flight Display (PFD) and
Navigation Display (ND), as well as the upper
ECAM display.
- DMC 2 processes the First Officer PFD and ND,
as well as the lower ECAM display.
- The EIS DMC and ECAM/ND Transfer selector
switches are set to NORM.
NOTE: - Engine/Warning Display (EWD).
- System Display (SD).
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EIS: EIS TRANSFER - NORMAL CONFIGURATION
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EIS: EIS TRANSFER
CAPT DMC TRANSFER
By setting the EIS DMC selector switch to the Captain
3 position, DMC 3 replaces DMC 1.
This action is normally done after a DMC 1 failure.
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TMUEISF02-P02 LEVEL 1
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