Electronic Display System

Question 1

What systems consist of the EDS?

Answer 1

• 5 Display Units (DU)
• 1 Guidance Panel (GP)
• 2 Cursor Control Devices (CCD)
• 2 Multi Function Control Display Units (MCDU)
• 1 EICAS FULL panel
• 2 Reversionary Panels
• MAU hardware
• Control I/O modules
• EDS application software on processor module

Question 2

Display Units represent

Answer 2

• 2 PFDs primary flight displays
• 2 MFDs Multifunction Displays
• 1 EICAS engine infication and crew alert system

Question 3

Which panels can be and which cannot be reverted?

Answer 3

DU 2&4 can be Reverted
DU 1&5 cannot (always as PFDs)
DU 3 cannot (always as EICAS)

Question 4

Which is the DU auto reversion logic?

Answer 4

PFD, EICAS, MFD

Question 5

If one of the below parameters have a mismatch between 2 PFDs a warning annunciator is displayed?

Answer 5

-Roll
-Pitch
-Attitude
-Heading
-BARO altitude
-Airspeed
-Localizer
-Glideslope
-Radar altitude
-Flight path angle
-EICAS
-Crew Alerting System (CAS)

Question 6

What information does the PFD display?

Answer 6

Airspeed indicator
Altitude indicator
ADI
HSI
Vertical speed indicator
Radio aids
Autopilot
Flight Director
Radio Altitude data

Question 7

What does the MFD display?

Answer 7

Various systems synoptic formats
Map planning and navigation formats
Status page

Question 8

What does Status Page shows?

Answer 8

Information about the
Flight
Battery
Engine Oil level
Brake
Crew Oxygen
Door and Access panel

Question 9

Which information is de-cluttered from EICAS display after take off (30” after L/G & Slat/Flap retraction?

Answer 9

APU
Autobrake
Engine vibration
Flap/Slat position
L/G position
Oil temperature
Oil pressure
Pitch Trim green band
Speed brake position