Embraer EMB145 Operation Manual page 536

ABNORMAL AIRPLANE
PROCEDURES
OPERATIONS
MANUAL
AHRS FAIL
EICAS CAUTION: AHRS 1 (2) FAIL
LIGHT: Master Caution
Associated AHRS Reversionary Button........................ PRESS
NOTE: The Autopilot is not available.
AHRS NO MAGNETIC HEADING
EICAS ADVISORY: AHRS 1 (2) NO MAG HDG
Enter Magnetic Heading.
AHRS NO PRESENT POSITION
EICAS ADVISORY: AHRS 1 (2) NO PPOS
Enter Present Position.
AHRS ON BATTERY
EICAS ADVISORY: AHRS 1 (2) ON BATT
Associated AHRS will operate for 40 minutes.
AHRS OVERHEAT
EICAS CAUTION: AHRS 1 (2) OVERHEAT
LIGHT: Master Caution
AHRS data is valid for 30 minutes after failure. Use standby indicators
for reference.
CDU DATA BUS FAIL FMS ANNUNCIATION (UNS-1K)
CONDITION: Affected FMS is not updating CDU.
CDU DATA BUS FAIL message presented on FMS.
Affected FMS ................................................................ OFF, then ON
If CDU DATA BUS FAIL message persists:
Affected FMS ................................................................ OFF
Page Code
1-03-59 2 03 REVISION 37