EICAS Flashcards
What do the following EICAS display color codes mean: red, amber, green, & white?
Warning, Caution, Advisory, Status
What powers the two EICAS screens?
The Battery Bus
Are the two EICAS cooling fans powered by the battery bus?
No
Why is it important to provide APU or external power to the aircraft within five minutes of energizing the battery?
To prevent the EICAS screens from overheating without the cooling fans.
What gathers data for the EICAS display?
The two Data Concentrator Units. (DCUs)
How many chimes are there for a CAUTION message or a WARNING message?
One chime and three chimes, respectively.
New a few other aural warnings that the DCUs can generate.
The fire bell for a fire, the warbler for a stall, the clacker for an overspeed, and the siren for windshear and terrain.
Which aural warningswill the DCU audio warning inhibit switches not cancel?
Windshear, EGPWS, and TCAS.
Which four ECP buttons are mechanical and not dependant on the ECP unit or ECP power?
PRI, STAT, CAS, STEP
When will the oil pressure guages be present on the primary display in addition to the digital readout?
With the engines shutdown, or with low oil pressure.
When will the N1 Vibration guages replace the oil guages?
With the engines running and normal oil pressure.
How is the V2 vibration monitored?
The system monitors N2 vibration independantly without display. If the N2 vibration exceeds a predetermined amount, VIB will be displayed inside the N2 guage.
When will the flap guage disappear?
With the wheel brake temperatures in the normal range, and the gear, slats, and flaps retracted.
When will the wheel brake temperature indicators disappear?
With the wheel brake temperatures in the normal range, and the gear, slats, and flaps retracted.
When can you box caution messages, and how?
By pressing the CAS button with both engines running. New messages will appear above the boxed MSG icon.
