Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Beechcraft 200/B200 Series
190-00929-04 Rev. A 123
Annunciations & Alerts
Flight
Instruments
Nav/Com/
XPDR/Audio AFCS GPS Nav
Flight
Planning Procedures
Hazard
Avoidance
Additional
Features Annun/Alerts Appendix Index
GDC 74B/7400 MESSAGE ADVISORIES
Message Comments
ADC1 ALT EC – ADC1 altitude error
correction is unavailable.
GDC1 or GDC2 is reporting that the altitude
error correction is unavailable.
ADC2 ALT EC – ADC2 altitude error
correction is unavailable.
ADC1 AS EC – ADC1 airspeed error
correction is unavailable.
GDC1 or GDC2 is reporting that the airspeed
error correction is unavailable.
ADC2 AS EC – ADC2 airspeed error
correction is unavailable.
ADC1 SERVICE – ADC1 needs
service. Return unit for repair
The GDC1 and/or GDC2 self-test has detected
a problem in the unit. The system should be
serviced
ADC2 SERVICE – ADC1 needs
service. Return unit for repair
GDC1 MANIFEST – GDC1 software
mismatch, communication halted.
The GDC has incorrect software installed. The
system should be serviced.
GDC2 MANIFEST – GDC2 software
mismatch, communication halted.
GCU 477 MESSAGE ADVISORIES
Message Comments
GCU CNFG – GCU Config error.
Config service req’d.
GCU 477 configuration settings do not match
those of backup configuration memory. The
G1000 system should be serviced.
GCU FAIL – GCU is inoperative. A failure has been detected in the GCU 477.
The GCU 477 is unavailable.
GCU1 MANIFEST – GCU software
mismatch, communication halted.
The GCU 477 has incorrect software installed.
The G1000 system should be serviced.
GCU KEYSTK – GCU [key name]
Key is stuck.
A key is stuck on the GCU 477 bezel. Attempt
to free the stuck key by pressing it several times.
The G1000 system should be serviced if the
problem persists.