Garmin G1000 NXi Pilot's Manual page 26

SYSTEM OVERVIEW
System Annunciation
12
Comment
Air Data, Attitude and Heading
Reference System is aligning.
Display system is not receiving
attitude information from the
ADAHRS/AHRS.
Air Data, Attitude, and Heading
calibration incomplete or
configuration module failure.
GPS information is either
not present or is invalid
for navigation use. Note
that ADAHRS/AHRS utilizes
GPS inputs during normal
operation. ADAHRS/AHRS
operation may be degraded
if GPS signals are not present
(see POH).
Display system is not receiving
airspeed input from the air
data computer.
Table 1-1 System Annunciations
Garmin G1000 NXi Pilot's Guide for Cessna Nav III
System Annunciation
Display system is not receiving
vertical speed input from the
air data computer.
Display system is not
receiving valid heading input
from the ADAHRS/AHRS or
magnetometer.
Display system is not receiving
altitude input from the air data
computer.
Display system is not receiving
valid OAT information from the
air data computer.
Display system is not receiving
valid transponder information.
A red 'X' through any other
display field (such as engine
Other Various Red X
instrumentation fields)
Indications
indicates that the field is not
receiving valid data.
Comment
190-02177-00 Rev. A