
Cirrus Perspective
™
by Garmin – Cockpit Reference Guide for the SR20/SR22/SR22T
190-00821-05 Rev. A
90
Annunciations & Alerts
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Hazard
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Abnormal
Operation
Annun/
AlertsAppendixIndex
GCU 478 MESSAGE ADVISORIES
Message Comments
GCU CNFG
– GCU Config error.
Config service req’d.
GCU 478 configuration settings do not match
those of backup configuration memory. The
Perspective
™
system should be serviced.
GCU FAIL
– GCU is inoperative. A failure has been detected in the GCU 478.
The GCU 478 is unavailable.
MANIFEST
– GCU software
mismatch, communication halted.
The GCU 478 has incorrect software installed.
The Perspective
™
system should be serviced.
GCU KEYSTK
– GCU [key name]
Key is stuck.
A key is stuck on the GCU 478 bezel. Attempt
to free the stuck key by pressing it several times.
The Perspective
™
system should be serviced if
the problem persists.
GMC 705 MESSAGE ADVISORIES
Message Comments
GMC CONFIG
– GMC Config error.
Config service req’d.
Error in the configuration of the GMC 705.
GMC FAIL
– GMC is inoperative. A failure has been detected in the GMC 705.
The GMC 705 is unavailable.
MANIFEST
– GMC software
mismatch. Communication halted.
The GMC 705 has incorrect software installed.
The Perspective
™
system should be serviced.
GMC KEYSTK
– GMC [key name]
Key is stuck.
A key is stuck on the GMC 705 bezel. Attempt
to free the stuck key by pressing it several
times. The Perspective
™
system should be
serviced if the problem persists.
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