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190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
115
ENGINE & AIRFRAME SYSTEMS
3.3 CREW ALERTING SYSTEM (CAS)
NOTE: Aural alerts associated with abnormal conditions and advisories are managed through the audio
panels. Refer to the Audio Panel and CNS Section for more information.
When Crew Alerting System (CAS) messages are generated, the CAS Window opens to the right of the Altimeter
(on the PFDs). Up to 14 messages can be displayed; when more than 14 messages accumulate, the CAS Softkey
becomes available. Pressing the CAS Softkey displays softkeys for scrolling up and down through the messages
in the CAS Window.
In Reversionary Mode, the CAS Softkey takes the place of the INSET Softkey.
CAS
Window
Softkey Annunciation
(Press to Acknowledge
CAS Messages)
CAS
Scrolling Softkey
(Disabled Until More
Than 14 Messages
are Displayed)
Figure 3-21 CAS Display
CAS MESSAGE PRIORITIZATION
NOTE: Information on CAS messages in this pilot’s guide is always superseded by the AFM.
CAS messages are grouped by criticality (warning, caution, advisory) and sorted by order of appearance (most
recent messages on top). The color of the message is based on its urgency and on required action, and the MSG
Softkey label changes to display the appropriate annunciation when a CAS message is generated.
•Warning(red)–Immediatecrewawarenessandimmediatecrewactionrequired;accompaniedbyanaural
tone (triple chime every 3 seconds) and flashing ‘WARNING’ softkey annunciation
•Caution(yellow)–Immediatecrewawarenessandsubsequentcorrectiveactionrequired;accompaniedby
an aural tone (single chime every 5 seconds) and flashing ‘CAUTION’ softkey annunciation
•Advisory(white)– Crewawarenessrequiredandsubsequentaction mayberequired;accompaniedbya
flashing ‘ADVISORY’ softkey.