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 DMC’s normally supply?

Answer 2

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

Question 3

How can you tell if a DMC has failed?

Answer 3

“INVALID DATA” will be displayed in the respective EFIS/ECAM display units

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 E/WD to either ND