36. EIS SWITCHING Panel

Question 1

What computers feed data to the six display units?

Answer 1

3 Display Management Computers (DMC)

Question 2

What does each of the DMCs normally supply?

Answer 2

o DMC 1 – Captain PFD, ND, upper ECAM DU
o DMC 2 – F/O PFD, ND, lower ECAM DU
o DMC 3 – Backup

Question 3

How can you tell if a DMC has failed?

Answer 3

o A diagonal line will be displayed in the respective DUs (CRT Aircraft) or
o “INVALID DATA” message is displayed on respective DUs (LCD aircraft)

Question 4

What happens when the upper ECAM display fails?

Answer 4

The E/WD automatically replaces the SD on the lower ECAM display.

Question 5

If both the E/WD and SD display units fail, how can you display E/WD information?

Answer 5

Select the ECAM/ND switch to CAPT or F/O to transfer the SD to either ND.