Pilot's Guide
190-00663-03 Rev. A
Garmin G1000 Pilot’s Guide for the Beechcraft C90A/GT/GTi
547
APPENDIX A
REVERSIONARY SENSOR ANNUNCIATIONS
Reversionary sensor selection is annunciated in the Reversionary Sensor Window, as shown in Figure A-5.
These annunciations reflect reversionary sensors selected on one or both PFDs. Pressing the
SENSOR
Softkey
gives access to
ADC1
,
ADC2
,
AHRS1
, and
AHRS2
Softkeys. These softkeys allow manual switching of sensors. In
the case of certain types of sensor failures, the G1000 may make some sensor selections automatically. The GPS
sensor cannot be switched manually.
Figure A-5 Reversionary Sensor Windows
Reversionary
Sensor
Window
Reversionary Sensor
Window Text
Condition
BOTH 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 Reference System.
BOTH ON AHRS2 Both PFDs are displaying data from the number two Attitude & Heading Reference System.
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.
USING ADC1 PFD2 is displaying data from the #1 Air Data Computer.
USING ADC2 PFD1 is displaying data from the #2 Air Data Computer.
USING AHRS1 PFD2 is displaying data from the #1 AHRS.
USING AHRS2 PFD1 is displaying data from the #2 AHRS.
USING GPS1 PFD2 is displaying data from the #1 GPS.
USING GPS2 PFD1 is displaying data from the #2 GPS.
G1000 SYSTEM ANNUNCIATIONS
When a new message is issued, the
ALERTS
Softkey flashes to alert the flight crew of a new message. It
continues to flash until acknowledged by pressing the softkey. Active messages are displayed in white text.
Messages that have become inactive change to gray text. The
ALERTS
Softkey flashes if the state of a displayed
message changes or a new message is displayed. The inactive messages can be removed from the Message
Window by pressing the flashing
ALERTS
Softkey.
The G1000 System Messages convey messages to the flight crew regarding problems with the G1000 system.
Typically, a large red ‘X’ appears in a window when a related LRU fails or detects invalid data.