2. F.
(4) CAS
Display Failure Indications
(a) Fault Warning Computer (FWC) Failure - In the event that the
displayed FWC fails, all messages and status line data are
removed. A
red “X” is drawn through the entire CAS display
area as
shown in Figure 230.
(b) Bus Controller Failures - In the event the three bus
controllers fail, a FWC failure indication is given as
discussed in the previous paragraph.
(c) EICAS Self-Test -
This test is initiated through either display
controller (TEST mode) when airspeed is valid and less than
60 knots and the WOW switch is active.
Selecting the EICAS
self-test gives the following indications in the cockpit:
c All Red Messages Displayed
c AP OFF Horn Active
c AP OFF Light On
. Red Aural Alert Active
. EICAS Fail Discrete Active
. Master WARN/CAUTION Lights On
22-14-00
Page 290
Aug 15/91
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