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Message Level Aural Condition
WINDSHEAR
SYS
Advisory Windshear alerts may not be provided.
Message Level Aural Condition
>TCAS OFF Advisory TCAS mode (TA or TA/RA) not selected.
Message Level Aural Condition
>TCAS RA
CAPTAIN, F/O
Advisory TCAS cannot display RA guidance on the
respective PFD.
>TCAS SYSTEM Advisory TCAS has failed.
Message Level Aural Condition
>AIRSPEED LOW Caution Beeper Airspeed less than minimum maneuvering
airspeed.
Message Level Aural Condition
>ALTITUDE
ALERT
Caution Beeper Airplane has deviated more than 300 feet
from MCP selected altitude.
>OVERSPEED Warning Siren Airspeed exceeds Vmo/Mmo.
April 01, 2001
747 Operations Manual
Warning Systems -
EICAS Messages
Copyright © The Boeing Company. See title page for details.
D6-30151-425 15.30.3
Pilot Response EICAS Alert Message
Miscellaneous EICAS Memo Messages
Message Level Aural Condition
>PILOT
RESPONSE
Warning Siren After cautionmessage PILOT RESPONSE
displayed, FMC does not detect crew
activity in monitored area within a specific
time.
>PILOT
RESPONSE
Caution Beeper After advisory message PILOT
RESPONSE displayed, FMC does not
detect crew activity in monitored area
within a specific time.
>PILOT
RESPONSE
Advisory FMC does not detect crew activity in
monitored area within a specific time.
Message Condition
VMO GEAR
DOWN
Gear down dispatch has been selected in
the electronics bay.
VMO SPARE
ENGINE
Spare engine dispatch has been selected in
the electronics bay.
April 1, 2000
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
15.30.4 D6-30151-425
Warning Systems -
EICAS Messages
Intentionally
Blank
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