
Garmin G1000 Cockpit Reference Guide for the Cessna Citation Mustang
190-00600-01 Rev. C
75
Annunciations & Alerts
Miscellaneous Message Advisories (Cont.)
Message Comments
SCHEDULER [#]
– <message>. Message criteria entered by the user.
MAG VAR WARN
– Large
magnetic variance. Verify all course
angles.
The GDU’s internal model cannot determine the
exact magnetic variance for geographic locations
near the magnetic poles. Displayed magnetic
course angles may differ from the actual
magnetic heading by more than 2°.
AFCS ALERTS
Condition Description
Pitch Failure Pitch axis control failure. AP is inoperative.
Roll Failure Roll axis control failure. AP is inoperative.
MET Switch Stuck, or
Pitch Trim Axis Control
Failure
If annunciated when AP is engaged, a failure has occurred
in the pitch trim system. If annunciated when AP is not
engaged, a failed or stuck switch is causing the annunciation.
System Failure AP and MET are unavailable. FD may still be available.
Emergency Descent
Mode
AP engaged when aircraft altitude above 30,000 ft and
cabin pressurization is lost. Selected Heading set 90° left
of current heading; Selected Altitude set to 15000 ft
Elevator Mistrim Up A condition has developed causing the pitch servo to
provide a sustained force in the nose up direction.
Elevator Mistrim Down A condition has developed causing the pitch servo to
provide a sustained force in the nose down direction.
Aileron Mistrim Left A condition has developed causing the roll servo to
provide a sustained left force.
Aileron Mistrim Right A condition has developed causing the roll servo to
provide a sustained right force.
Rudder Mistrim Left A condition has developed causing the yaw servo to
provide a sustained force.
Rudder Mistrim Right A condition has developed causing the yaw servo to provide a
sustained force.
Preflight Test Performing preflight system test. Upon completion of the
test, the aural alert will be heard.
Preflight system test has failed.
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