Garmin G1000 NXI Cockpit Reference Manual page 170

annunciations & alerts
System annunciation
Other Various Amber X
Indications
Garmin G1000 NXi Cockpit Reference Guide for the da62
146
GPS information is either not present or is invalid for navigation use.
Note that AHRS utilizes GPS inputs during normal operation. 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.
Display system is not receiving vertical speed input from the air data
computer.
Display system is not receiving valid heading input from the 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.
An amber 'X' through any other display field (such as engine
instrumentation fields) indicates that the field is not receiving valid
data.
System annunciations
Comment
190-02622-00 Rev. A