SWITCHING PANEL

Question 1

What Computers feed DATA to the 6 Display Units?

Answer 1

3 Display Management Computers (DMC)

Question 2

Is there any automatic logic/functions in the DMCs in the event of a failure?

Answer 2

If DMC 1 fails (or DMC 3 if the CAPT 3 is selected), then DMC 2 automatically drives the ECAM

Question 3

What are the indications on a DU if its DMC has failed?

Answer 3

INVALID DATA will be displayed on the corresponding DU

Question 4

What happens when the upper DU Fails?

Answer 4

The E/WD automatically displays on the lower ECAM (replaces the SD)

Question 5

If both the upper and lower ECAM fail, how can you see the E/WD?

Answer 5

Selecting the ECAM/ND XFR switch to CAPT or F/O.

Will replace the corresponding ND.