Garmin G1000 Cockpit Reference Guide for the Cessna Citation Mustang190-00600-01 Rev. C 57Annunciations & AlertsCOMPARATOR ANNUNCIATIONSComparatorWindow TextConditionALT MISCOMP Difference in altitude sensors is > 200 ft.IAS MISCOMPIf both airspeed sensors detect < 35 knots, this is inhibited.If either airspeed sensor detects > 35 knots, and the difference in sensors is > 10 kts.If either airspeed sensor detects > 80 knots, and the difference in sensors is > 7 kts.HDG MISCOMP Difference in heading sensors is > 6 degrees.PIT MISCOMP Difference in pitch sensors is > 5 degrees.ROLL MISCOMP Difference in roll sensors is > 6 degrees.ALT NO COMP No data from one or both altitude sensors.IAS NO COMP No data from one or both airspeed sensors.HDG NO COMP No data from one or both heading sensors.PIT NO COMP No data from one or both pitch sensors.ROLL NO COMP No data from one or both roll sensors..REVERSIONARY SENSOR ANNUNCIATIONSReversionarySensor WindowTextConditionBOTH ON ADC1 Both PFDs are displaying data from the number one Air Data Computer.BOTH ON ADC2 Both PFDs are displaying data from the number two Air Data Computer.BOTH ON AHRS1 Both PFDs are displaying data from the number one Attitude & Heading ReferenceSystem.BOTH ON AHRS2 Both PFDs are displaying data from the number two Attitude & Heading ReferenceSystem.BOTH ON GPS1 Both PFDs are displaying data from the number one GPS receiver.BOTH ON GPS2 Both PFDs are displaying data from the number two GPS receiver.XSIDE ADC The PFD displaying this annunciation is displaying data from the cross-side Air DataComputer.XSIDE AHRS The PFD displaying this annunciation is displaying data from the cross-side Attitude &Heading Reference System.